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add benchmark with external nvme ssd

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Eric Chang
2019-09-10 16:03:24 +08:00
parent 29dfe48f73
commit cbed295b47
245 changed files with 32439 additions and 1460 deletions
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10
public/post/10g-lab-using-proxmox-and-mellanox/index.html
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@@ -416,6 +416,10 @@ TCP window size: 85.0 KByte (default)
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -440,10 +444,6 @@ TCP window size: 85.0 KByte (default)
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -454,7 +454,7 @@ TCP window size: 85.0 KByte (default)
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

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@@ -216,6 +216,10 @@
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -240,10 +244,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -254,7 +254,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

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public/post/ansible-run-task-depends-on-ipaddr/index.html
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@@ -298,6 +298,10 @@ hwaddress: f4:4d:30:45:ef:aa', host: pc120', ipv4: 192.168.1.120', user: [wany']
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -322,10 +326,6 @@ hwaddress: f4:4d:30:45:ef:aa', host: pc120', ipv4: 192.168.1.120', user: [wany']
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -336,7 +336,7 @@ hwaddress: f4:4d:30:45:ef:aa', host: pc120', ipv4: 192.168.1.120', user: [wany']
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

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public/post/ansible-selectattr-filter/index.html
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@@ -219,6 +219,10 @@
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -243,10 +247,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -257,7 +257,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

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public/post/ansible-selectattr-from-list-in-dictionary/index.html
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@@ -274,6 +274,10 @@
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -298,10 +302,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -312,7 +312,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

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public/post/ansible-selectattr/index.html
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@@ -330,6 +330,10 @@
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -354,10 +358,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -368,7 +368,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

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public/post/backup-restore-postgresql-with-pgbackrest/index.html
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@@ -456,6 +456,10 @@ postgres@hqdc034:/zp/database$
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -480,10 +484,6 @@ postgres@hqdc034:/zp/database$
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -494,7 +494,7 @@ postgres@hqdc034:/zp/database$
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

806
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<title> [筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd | MCの飄狂山莊㊣</title>
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<h3><a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a></h3>
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<span class="date moment">2019-09-10</span>
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<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
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<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
</div>
<p>前幾天在淘寶上買了個 SSK 的USB 3.1 Gen2 (type-c) NVME SSD 外接盒
手邊也剛好有一條多的intel 600p nvme ssd 就順手來做個比較
目標是看看有沒有可能直接用外接的SSD來跑postgresql</p>
<p>
把600p 裝進去外接盒之後，就先來看一些簡單的資訊
不過沒想到用了幾個指令，都沒辦法辨別出正確的型號</p>
<h4 id="fdisk">fdisk</h4>
<p>沒有看到廠牌、型號</p>
<pre><code>2019-09-10 13:20:55 [minion@hqdc075 ~]$ sudo fdisk /dev/sdb
Welcome to fdisk (util-linux 2.31.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): p
Disk /dev/sdb: 238.5 GiB, 256060514304 bytes, 500118192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x59511d8e
Device Boot Start End Sectors Size Id Type
/dev/sdb1 2048 500118191 500116144 238.5G 83 Linux
Command (m for help): q
</code></pre>
<h4 id="inxi">inxi</h4>
<p>內接的intel ssd 有看到，不過外接的這顆SSD沒有model 可是可以看到序號
我在想這個序號應該是外接盒的序號，而不是SSD的？</p>
<pre><code>2019-09-10 13:21:51 [minion@hqdc075 ~]$ sudo inxi -Dxx
Drives: HDD Total Size: 640.2GB (11.3% used)
ID-1: /dev/nvme0n1 model: INTEL_SSDPEKKF256G7L size: 256.1GB serial: BTPYXXXXX firmware: 123P
ID-2: USB /dev/sda model: SD/MMC size: 128.1GB serial: 201205XXXXXX-0:0 temp: 0C
ID-3: USB /dev/sdb model: N/A size: 256.1GB serial: DF564XXXXXX:0 temp: 0C
2019-09-10 13:21:55 [minion@hqdc075 ~]$
</code></pre>
<h4 id="dmesg">dmesg</h4>
<p>一樣，也是認不出 SSD ，但是有抓到外接盒</p>
<pre><code>[16622.930915] hub 4-0:1.0: USB hub found
[16622.930926] hub 4-0:1.0: 2 ports detected
[16623.372533] usb 4-1: new SuperSpeedPlus Gen 2 USB device number 2 using xhci_hcd
[16623.393844] usb 4-1: New USB device found, idVendor=152d, idProduct=0562, bcdDevice= 2.04
[16623.393849] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[16623.393853] usb 4-1: Product: SSK Storage
[16623.393856] usb 4-1: Manufacturer: SSK
[16623.393858] usb 4-1: SerialNumber: DF56419883B20
</code></pre>
<h4 id="直接測試吧">直接測試吧</h4>
<p>不看型號了，直接測試吧！先切好分割、格式化，然後掛載到 /mnt，再用 dd 測試寫入
結果如下</p>
<pre><code>2019-09-10 13:24:03 [minion@hqdc075 ~]$ for i in {4,8,16,32,64,128,256,512,1024,2048,4096,8192,16384};do sudo dd if=/dev/zero of=/mnt/&quot;$i&quot;k bs=&quot;$i&quot;k count=1k;done
1024+0 records in
1024+0 records out
4194304 bytes (4.2 MB, 4.0 MiB) copied, 0.013719 s, 306 MB/s
1024+0 records in
1024+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.0123268 s, 681 MB/s
1024+0 records in
1024+0 records out
16777216 bytes (17 MB, 16 MiB) copied, 0.0196891 s, 852 MB/s
1024+0 records in
1024+0 records out
33554432 bytes (34 MB, 32 MiB) copied, 0.0195221 s, 1.7 GB/s
1024+0 records in
1024+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 0.0337692 s, 2.0 GB/s
1024+0 records in
1024+0 records out
134217728 bytes (134 MB, 128 MiB) copied, 0.0644939 s, 2.1 GB/s
1024+0 records in
1024+0 records out
268435456 bytes (268 MB, 256 MiB) copied, 0.131989 s, 2.0 GB/s
1024+0 records in
1024+0 records out
536870912 bytes (537 MB, 512 MiB) copied, 0.257682 s, 2.1 GB/s
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 0.529154 s, 2.0 GB/s
1024+0 records in
1024+0 records out
2147483648 bytes (2.1 GB, 2.0 GiB) copied, 3.48498 s, 616 MB/s
1024+0 records in
1024+0 records out
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 7.36899 s, 583 MB/s
1024+0 records in
1024+0 records out
8589934592 bytes (8.6 GB, 8.0 GiB) copied, 73.1975 s, 117 MB/s
1024+0 records in
1024+0 records out
17179869184 bytes (17 GB, 16 GiB) copied, 153.142 s, 112 MB/s
2019-09-10 13:28:58 [minion@hqdc075 ~]$
</code></pre>
<p>可以發現，<strong>當寫入8G檔案的時候，速度開始急遽下降</strong>
翻了一下google 看到這張表格</p>
<p><a href="https://www.anandtech.com/show/10850/the-intel-ssd-600p-512gb-review">https://www.anandtech.com/show/10850/the-intel-ssd-600p-512gb-review</a></p>
<p>intel 600p 256G 的SLC Cache 只有8.5GB
合理解釋了為什麼當寫入8G的檔案時，速度會掉那麼慘，跟SATA硬碟差不多了</p>
<h4 id="用iobench-測試看看">用iobench 測試看看</h4>
<p>得到一樣的結論，8G左右，就會把cache塞暴，然後掉速</p>
<pre><code>2019-09-10 13:44:59 [changch@hqdc075 iobench]$ sudo ./iobench.sh --sync --dir /mnt --megabytes 8192
Target directory: /mnt
Testfile size: 8192 x 1 Megabyte
1. Write benchmark without cache
8589934592 bytes (8.6 GB, 8.0 GiB) copied, 36.8695 s, 233 MB/s
2. Write benchmark with cache
8589934592 bytes (8.6 GB, 8.0 GiB) copied, 64.1573 s, 134 MB/s
3. Read benchmark with dropped cache
8589934592 bytes (8.6 GB, 8.0 GiB) copied, 9.21821 s, 932 MB/s
4. Read benchmark without cache drop
Start 1 of 5...
8589934592 bytes (8.6 GB, 8.0 GiB) copied, 1.02253 s, 8.4 GB/s
Start 2 of 5...
8589934592 bytes (8.6 GB, 8.0 GiB) copied, 0.832002 s, 10.3 GB/s
Start 3 of 5...
8589934592 bytes (8.6 GB, 8.0 GiB) copied, 0.81194 s, 10.6 GB/s
Start 4 of 5...
8589934592 bytes (8.6 GB, 8.0 GiB) copied, 0.821035 s, 10.5 GB/s
Start 5 of 5...
8589934592 bytes (8.6 GB, 8.0 GiB) copied, 0.808803 s, 10.6 GB/s
Done.
2019-09-10 13:47:40 [changch@hqdc075 iobench]$
</code></pre>
<p>那如果不用8G的檔案大小來測試呢？看起來是比較正常一點</p>
<pre><code>2019-09-10 13:47:40 [changch@hqdc075 iobench]$ sudo ./iobench.sh --sync --dir /mnt --megabytes 4096
Target directory: /mnt
Testfile size: 4096 x 1 Megabyte
1. Write benchmark without cache
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 7.55296 s, 569 MB/s
2. Write benchmark with cache
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 20.6237 s, 208 MB/s
3. Read benchmark with dropped cache
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 4.63622 s, 926 MB/s
4. Read benchmark without cache drop
Start 1 of 5...
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 0.518597 s, 8.3 GB/s
Start 2 of 5...
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 0.436877 s, 9.8 GB/s
Start 3 of 5...
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 0.437854 s, 9.8 GB/s
Start 4 of 5...
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 0.420224 s, 10.2 GB/s
Start 5 of 5...
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 0.431023 s, 10.0 GB/s
Done.
2019-09-10 13:50:09 [changch@hqdc075 iobench]$
</code></pre>
<h4 id="跑看看pgbench">跑看看pgbench ??</h4>
<p>試試看這次的目標，用 external nvme ssd 跑資料庫，會不會跟放在本機的PCI-E SSD 有所差距？</p>
<h4 id="data-directory-in-internal-pcie-ssd">data_directory in internal pcie-ssd</h4>
<p><strong>initialize pgbench database</strong></p>
<pre><code>2019-09-10 13:52:35 [minion@hqdc075 ~]$ sudo su - postgres
postgres@hqdc075:~$ createdb pgbench
postgres@hqdc075:~$ pgbench -i -U postgres -s 10 pgbench
NOTICE: table &quot;pgbench_history&quot; does not exist, skipping
NOTICE: table &quot;pgbench_tellers&quot; does not exist, skipping
NOTICE: table &quot;pgbench_accounts&quot; does not exist, skipping
NOTICE: table &quot;pgbench_branches&quot; does not exist, skipping
creating tables...
100000 of 1000000 tuples (10%) done (elapsed 0.08 s, remaining 0.70 s)
200000 of 1000000 tuples (20%) done (elapsed 0.19 s, remaining 0.75 s)
300000 of 1000000 tuples (30%) done (elapsed 0.36 s, remaining 0.83 s)
400000 of 1000000 tuples (40%) done (elapsed 0.49 s, remaining 0.73 s)
500000 of 1000000 tuples (50%) done (elapsed 0.58 s, remaining 0.58 s)
600000 of 1000000 tuples (60%) done (elapsed 0.75 s, remaining 0.50 s)
700000 of 1000000 tuples (70%) done (elapsed 0.89 s, remaining 0.38 s)
800000 of 1000000 tuples (80%) done (elapsed 0.99 s, remaining 0.25 s)
900000 of 1000000 tuples (90%) done (elapsed 1.11 s, remaining 0.12 s)
1000000 of 1000000 tuples (100%) done (elapsed 1.27 s, remaining 0.00 s)
vacuum...
set primary keys...
done.
</code></pre>
<p><strong>run pgbench</strong></p>
<pre><code>postgres@hqdc075:~$ pgbench -t 10 -c 100 -S -U postgres pgbench
starting vacuum...end.
transaction type: &lt;builtin: select only&gt;
scaling factor: 10
query mode: simple
number of clients: 100
number of threads: 1
number of transactions per client: 10
number of transactions actually processed: 1000/1000
latency average = 32.118 ms
tps = 3113.559459 (including connections establishing)
tps = 3135.056341 (excluding connections establishing)
postgres@hqdc075:~$ pgbench -t 1000 -c 100 -S -U postgres pgbench
starting vacuum...end.
transaction type: &lt;builtin: select only&gt;
scaling factor: 10
query mode: simple
number of clients: 100
number of threads: 1
number of transactions per client: 1000
number of transactions actually processed: 100000/100000
latency average = 3.753 ms
tps = 26643.223990 (including connections establishing)
tps = 26659.061459 (excluding connections establishing)
</code></pre>
<h4 id="data-directory-in-external-nvme-ssd">data_directory in external NVME SSD</h4>
<p><strong>initialize pgbench database</strong></p>
<pre><code>postgres@hqdc075:~$ pgbench -i -U postgres -s 10 pgbench
creating tables...
100000 of 1000000 tuples (10%) done (elapsed 0.08 s, remaining 0.70 s)
200000 of 1000000 tuples (20%) done (elapsed 0.19 s, remaining 0.76 s)
300000 of 1000000 tuples (30%) done (elapsed 0.35 s, remaining 0.81 s)
400000 of 1000000 tuples (40%) done (elapsed 0.49 s, remaining 0.74 s)
500000 of 1000000 tuples (50%) done (elapsed 0.60 s, remaining 0.60 s)
600000 of 1000000 tuples (60%) done (elapsed 0.76 s, remaining 0.51 s)
700000 of 1000000 tuples (70%) done (elapsed 0.89 s, remaining 0.38 s)
800000 of 1000000 tuples (80%) done (elapsed 1.01 s, remaining 0.25 s)
900000 of 1000000 tuples (90%) done (elapsed 1.15 s, remaining 0.13 s)
1000000 of 1000000 tuples (100%) done (elapsed 1.32 s, remaining 0.00 s)
vacuum...
set primary keys...
done.
</code></pre>
<p><strong>run pgbench</strong>
可以看到兩邊的結果其實是差不多的，作為資料庫備份是一定沒有問題
至於能不能直接作為資料庫空間使用？我想也許可以嘗試看看..</p>
<pre><code>postgres@hqdc075:~$ pgbench -t 10 -c 100 -S -U postgres pgbench
starting vacuum...end.
transaction type: &lt;builtin: select only&gt;
scaling factor: 10
query mode: simple
number of clients: 100
number of threads: 1
number of transactions per client: 10
number of transactions actually processed: 1000/1000
latency average = 32.998 ms
tps = 3030.531670 (including connections establishing)
tps = 3051.744292 (excluding connections establishing)
postgres@hqdc075:~$ pgbench -t 1000 -c 100 -S -U postgres pgbench
starting vacuum...end.
transaction type: &lt;builtin: select only&gt;
scaling factor: 10
query mode: simple
number of clients: 100
number of threads: 1
number of transactions per client: 1000
number of transactions actually processed: 100000/100000
latency average = 3.758 ms
tps = 26610.771423 (including connections establishing)
tps = 26626.871871 (excluding connections establishing)
postgres@hqdc075:~$
</code></pre>
<p>update:</p>
<p>剛剛看了一下，發現這樣只有測試到 read (select only)
或許要找找看其他的測試方法</p>
<hr />
<p>接下來直接用 restore 測試</p>
<pre><code>#### restore 5G database with external nvme ssd
postgres@hqdc075:~$ createdb demo
postgres@hqdc075:~$ time psql demo &lt; /tmp/demo.sql
SET
...
ALTER TABLE
real 4m1.184s
user 0m2.894s
sys 0m0.504s
postgres@hqdc075:~$
</code></pre>
<h4 id="restore-5g-database-with-internal-pci-e-nvme-ssd">restore 5G database with internal pci-e nvme ssd</h4>
<pre><code>postgres@hqdc075:~$ dropdb demo
postgres@hqdc075:~$ createdb demo
postgres@hqdc075:~$ time psql demo &lt; /tmp/demo.sql
SET
...
ALTER TABLE
real 4m1.636s
user 0m2.909s
sys 0m0.612s
postgres@hqdc075:~$
</code></pre>
<p>看起來是沒有什麼區別，那如果是外接的 SATA SSD呢？</p>
<hr />
<p>dmesg 看得到型號耶..</p>
<pre><code>[23995.478928] usb 2-4: new SuperSpeed Gen 1 USB device number 3 using xhci_hcd
[23995.506134] usb 2-4: New USB device found, idVendor=2109, idProduct=0715, bcdDevice= 3.36
[23995.506141] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[23995.506145] usb 2-4: Product: 30848
[23995.506149] usb 2-4: Manufacturer: Ugreen
[23995.506153] usb 2-4: SerialNumber: 00000012526D
[23995.512813] scsi host2: uas
[23995.530161] scsi 2:0:0:0: Direct-Access SanDisk SDSSDXP240G R131 PQ: 0 ANSI: 6
[23995.531948] sd 2:0:0:0: Attached scsi generic sg2 type 0
[23995.533820] sd 2:0:0:0: [sdc] 468862128 512-byte logical blocks: (240 GB/224 GiB)
[23995.533986] sd 2:0:0:0: [sdc] Write Protect is off
[23995.533992] sd 2:0:0:0: [sdc] Mode Sense: 2f 00 00 00
[23995.534402] sd 2:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[23995.534844] sd 2:0:0:0: [sdc] Optimal transfer size 33553920 bytes
[23995.540806] sdc:
[23995.544089] sd 2:0:0:0: [sdc] Attached SCSI disk
2019-09-10 14:24:54 [minion@hqdc075 ~]$
</code></pre>
<p><strong>restore 5G database with external sata SSD</strong></p>
<p>很意外的，速度居然還是差不多？？</p>
<pre><code>postgres@hqdc075:~$ createdb demo
postgres@hqdc075:~$ time psql demo &lt; /tmp/demo.sql
SET
...
ALTER TABLE
real 4m9.950s
user 0m2.752s
sys 0m0.640s
postgres@hqdc075:~$
</code></pre>
<p><strong>run pgebnech</strong></p>
<p>這個差很多了，tps 從前面的 26000 掉到剩下 2800 ，差十倍左右！</p>
<pre><code>postgres@hqdc075:~$ pgbench -t 10 -c 100 -S -U postgres pgbench
starting vacuum...end.
transaction type: &lt;builtin: select only&gt;
scaling factor: 10
query mode: simple
number of clients: 100
number of threads: 1
number of transactions per client: 10
number of transactions actually processed: 1000/1000
latency average = 35.267 ms
tps = 2835.526770 (including connections establishing)
tps = 2855.642604 (excluding connections establishing)
postgres@hqdc075:~$
</code></pre>
<p>疑問：</p>
<ol>
<li>什麼原因會讓外接/內建 nvme ssd 和外接SATA SSD 在 restore db時，花了差不多時間，但是 tps 差異那麼大呢？</li>
<li>這樣測試，似乎沒有真正測出外接nvme ssd 跑資料庫時候的效能？</li>
</ol>
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@@ -285,6 +285,10 @@ b8d74048eba1 mysql:5.7.21 &quot;docker-entrypoint.s…&qu
<strong></strong>
<ul>
<li>
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@@ -309,10 +313,6 @@ b8d74048eba1 mysql:5.7.21 &quot;docker-entrypoint.s…&qu
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
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@@ -323,7 +323,7 @@ b8d74048eba1 mysql:5.7.21 &quot;docker-entrypoint.s…&qu
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10
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@@ -259,6 +259,10 @@
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<ul>
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<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
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@@ -283,10 +287,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
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@@ -297,7 +297,7 @@
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@@ -322,6 +322,10 @@ Tue May 21 17:39:48 CST 2019
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<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
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@@ -346,10 +350,6 @@ Tue May 21 17:39:48 CST 2019
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@@ -360,7 +360,7 @@ Tue May 21 17:39:48 CST 2019
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@@ -393,6 +393,10 @@ openssl s_client -showcerts -connect mail.example.com:465
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</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -417,10 +421,6 @@ openssl s_client -showcerts -connect mail.example.com:465
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -431,7 +431,7 @@ openssl s_client -showcerts -connect mail.example.com:465
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

10
public/post/copy_role_in_pgsql/index.html
View File

@@ -217,6 +217,10 @@ GRANT a TO b;
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -241,10 +245,6 @@ GRANT a TO b;
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -255,7 +255,7 @@ GRANT a TO b;
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

10
public/post/create-portable-vim-environment/index.html
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@@ -230,6 +230,10 @@
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -254,10 +258,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -268,7 +268,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

10
public/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/index.html
View File

@@ -285,6 +285,10 @@ traceroute to term.ptt.cc (104.31.231.9), 30 hops max, 60 byte packets
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -309,10 +313,6 @@ traceroute to term.ptt.cc (104.31.231.9), 30 hops max, 60 byte packets
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -323,7 +323,7 @@ traceroute to term.ptt.cc (104.31.231.9), 30 hops max, 60 byte packets
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

10
public/post/enable-synology-public-ssh/index.html
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@@ -303,6 +303,10 @@ admin@storage:~$
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -327,10 +331,6 @@ admin@storage:~$
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -341,7 +341,7 @@ admin@storage:~$
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

10
public/post/fix-zpool-device-busy-using-dmsetup/index.html
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@@ -250,6 +250,10 @@ root@pve:~#
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -274,10 +278,6 @@ root@pve:~#
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -288,7 +288,7 @@ root@pve:~#
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

10
public/post/incredibly-slow-mdadm-rebuild/index.html
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@@ -273,6 +273,10 @@ unused devices: &lt;none&gt;
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -297,10 +301,6 @@ unused devices: &lt;none&gt;
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -311,7 +311,7 @@ unused devices: &lt;none&gt;
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

178
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@@ -91,6 +91,83 @@
<div class="article-wrapper u-cf">
<a class="bubble" href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">
<i class="fa fa-fw fa-pencil"></i>
</a>
<article class="default article">
<div class="featured-image">
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">
<img src="/images/post-default-11.jpg" alt="">
</a>
</div>
<div class="content">
<h3><a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a></h3>
<div class="meta">
<span class="date moment">2019-09-10</span>
<span class="categories">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
</div>
<p>前幾天在淘寶上買了個 SSK 的USB 3.1 Gen2 (type-c) NVME SSD 外接盒
手邊也剛好有一條多的intel 600p nvme ssd 就順手來做個比較
目標是看看有沒有可能直接用外接的SSD來跑postgresql</p>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/" class="more"></a>
</div>
<div class="footer">
<div class="tags">
<i class="fa fa-tags"></i>
<div class="links">
<a href="/tags/postgresql">postgresql</a>
<a href="/tags/benchmark">benchmark</a>
<a href="/tags/nvme">nvme</a>
</div>
</div>
</div>
</article>
</div>
<div class="article-wrapper u-cf">
<a class="bubble" href="/post/postgresql-backup-restore-using-zfs-snapshot/">
@@ -826,97 +903,6 @@
</div>
</article>
</div>
<div class="article-wrapper u-cf">
<a class="bubble" href="/post/send-mail-to-notify-after-pxe-install/">
<i class="fa fa-fw fa-pencil"></i>
</a>
<article class="default article">
<div class="featured-image">
<a href="/post/send-mail-to-notify-after-pxe-install/">
<img src="/images/post-default-11.jpg" alt="">
</a>
</div>
<div class="content">
<h3><a href="/post/send-mail-to-notify-after-pxe-install/">[筆記] 用pxe 安裝系統，完成後送出郵件通知 / send mail notification after pxe install</a></h3>
<div class="meta">
<span class="date moment">2019-07-31</span>
<span class="categories">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
</div>
<p>最近有個任務，需要大量安裝client</p>
<p>想用PXE來處理，只要user開機按F12(acer 桌機) 選擇PXE Boot</p>
<p>然後選擇OS版本，就可以自動進行安裝</p>
<p>安裝完成後，會自動重新開機，接著就用ansible來做user環境設定</p>
<p>PXE的部份本來是沒有什麼問題，自動安裝系統的部份都做好了</p>
<p>可是因為這次的量比較多，想說讓每一台在完成PXE安裝後的第一次重開機</p>
<p>就送出一封郵件來通知我，說已經完成安裝，可以執行ansible 了</p>
<p>看似很簡單的一件事情，卻搞了我兩天&hellip;.</p>
<p></p>
<a href="/post/send-mail-to-notify-after-pxe-install/" class="more"></a>
</div>
<div class="footer">
<div class="tags">
<i class="fa fa-tags"></i>
<div class="links">
<a href="/tags/pxe">PXE</a>
<a href="/tags/ubuntu">ubuntu</a>
<a href="/tags/linux">linux</a>
</div>
</div>
</div>
</article>
@@ -947,6 +933,10 @@
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -971,10 +961,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -985,7 +971,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

13
public/post/index.xml
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@@ -5,11 +5,22 @@
<link>https://h.cowbay.org/post/</link>
<description>Recent content in Posts on MCの飄狂山莊㊣</description>
<generator>Hugo -- gohugo.io</generator>
<lastBuildDate>Fri, 06 Sep 2019 10:42:11 +0800</lastBuildDate>
<lastBuildDate>Tue, 10 Sep 2019 14:37:09 +0800</lastBuildDate>
<atom:link href="https://h.cowbay.org/post/index.xml" rel="self" type="application/rss+xml" />
<item>
<title>[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</title>
<link>https://h.cowbay.org/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/</link>
<pubDate>Tue, 10 Sep 2019 14:37:09 +0800</pubDate>
<guid>https://h.cowbay.org/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/</guid>
<description>&lt;p&gt;前幾天在淘寶上買了個 SSK 的USB 3.1 Gen2 (type-c) NVME SSD 外接盒
手邊也剛好有一條多的intel 600p nvme ssd 就順手來做個比較
目標是看看有沒有可能直接用外接的SSD來跑postgresql&lt;/p&gt;</description>
</item>
<item>
<title>[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</title>
<link>https://h.cowbay.org/post/postgresql-backup-restore-using-zfs-snapshot/</link>

10
public/post/install-asus-10g-nic-in-proxmox/index.html
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@@ -311,6 +311,10 @@ root@pve:~#
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -335,10 +339,6 @@ root@pve:~#
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -349,7 +349,7 @@ root@pve:~#
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

10
public/post/install-nvidia-driver-cuda-pgstrom-in-ubuntu-1804/index.html
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@@ -432,6 +432,10 @@ Aug 20 14:23:43 hqdc032 systemd[1]: Failed to start PostgreSQL Cluster 11-main.
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -456,10 +460,6 @@ Aug 20 14:23:43 hqdc032 systemd[1]: Failed to start PostgreSQL Cluster 11-main.
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -470,7 +470,7 @@ Aug 20 14:23:43 hqdc032 systemd[1]: Failed to start PostgreSQL Cluster 11-main.
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

10
public/post/install-timeshift-on-ubuntu1804/index.html
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@@ -775,6 +775,10 @@ sudo apt install joe-jupp
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -799,10 +803,6 @@ sudo apt install joe-jupp
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -813,7 +813,7 @@ sudo apt install joe-jupp
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

10
public/post/install-ubuntu1804-on-dell-6ir-raid-controller/index.html
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@@ -235,6 +235,10 @@ GRUB_CMDLINE_LINUX=&quot;rootdelay=90&quot;
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
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<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
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@@ -259,10 +263,6 @@ GRUB_CMDLINE_LINUX=&quot;rootdelay=90&quot;
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
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@@ -273,7 +273,7 @@ GRUB_CMDLINE_LINUX=&quot;rootdelay=90&quot;
<ul>
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<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
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<strong></strong>
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<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
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<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -345,10 +349,6 @@ bbs089.abc.com ansible_ssh_host=192.168.0.89 ansible_ssh_user=root
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
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</ul>
</div>
@@ -359,7 +359,7 @@ bbs089.abc.com ansible_ssh_host=192.168.0.89 ansible_ssh_user=root
<ul>
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<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
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<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
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<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -278,10 +282,6 @@ Apr 23 15:18:48 hqs010 minion: minion [30832]: ip addr [0]
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
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</div>
@@ -292,7 +292,7 @@ Apr 23 15:18:48 hqs010 minion: minion [30832]: ip addr [0]
<ul>
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<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
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<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
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<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
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@@ -502,10 +506,6 @@ root@sdvpn:~#
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
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<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
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@@ -516,7 +516,7 @@ root@sdvpn:~#
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
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<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -276,10 +280,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -290,7 +290,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
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<div class="px-4 post-heading">筆記- 啟用群暉NAS (Synology NAS)的SSH Server 透過Publickey 認證免密碼登入</div>
<ul class="post-meta li-x mt-1">
<li>Nov 5, 2018</li>
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<li>2 minutes read</li>
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公司內有幾台NAS，其中有一台用來放開發人員的postgresql dump file 之前都是主要的開發人員上傳到google drive，分享出來 ，然後其他人去抓回來
這樣子有個問題是，當server要存取這些檔案時，就沒辦法了，除非透過一些 3rd party的軟體 像是這篇
https://www.omgubuntu.co.uk/2017/04/mount-google-drive-ocamlfuse-linux
或者是這篇
https://www.maketecheasier.com/mount-google-drive-ubuntu/
但是手邊的伺服器，原則上除非有必要，不然都沒有開放internet 所以導致明明檔案就在那邊，但是要取得就是很麻煩
......
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@@ -91,6 +91,97 @@
<div class="article-wrapper u-cf">
<a class="bubble" href="/post/send-mail-to-notify-after-pxe-install/">
<i class="fa fa-fw fa-pencil"></i>
</a>
<article class="default article">
<div class="featured-image">
<a href="/post/send-mail-to-notify-after-pxe-install/">
<img src="/images/post-default-11.jpg" alt="">
</a>
</div>
<div class="content">
<h3><a href="/post/send-mail-to-notify-after-pxe-install/">[筆記] 用pxe 安裝系統，完成後送出郵件通知 / send mail notification after pxe install</a></h3>
<div class="meta">
<span class="date moment">2019-07-31</span>
<span class="categories">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
</div>
<p>最近有個任務，需要大量安裝client</p>
<p>想用PXE來處理，只要user開機按F12(acer 桌機) 選擇PXE Boot</p>
<p>然後選擇OS版本，就可以自動進行安裝</p>
<p>安裝完成後，會自動重新開機，接著就用ansible來做user環境設定</p>
<p>PXE的部份本來是沒有什麼問題，自動安裝系統的部份都做好了</p>
<p>可是因為這次的量比較多，想說讓每一台在完成PXE安裝後的第一次重開機</p>
<p>就送出一封郵件來通知我，說已經完成安裝，可以執行ansible 了</p>
<p>看似很簡單的一件事情，卻搞了我兩天&hellip;.</p>
<p></p>
<a href="/post/send-mail-to-notify-after-pxe-install/" class="more"></a>
</div>
<div class="footer">
<div class="tags">
<i class="fa fa-tags"></i>
<div class="links">
<a href="/tags/pxe">PXE</a>
<a href="/tags/ubuntu">ubuntu</a>
<a href="/tags/linux">linux</a>
</div>
</div>
</div>
</article>
</div>
<div class="article-wrapper u-cf">
<a class="bubble" href="/post/ansible-run-task-depends-on-ipaddr/">
@@ -799,82 +890,6 @@
</div>
</article>
</div>
<div class="article-wrapper u-cf">
<a class="bubble" href="/post/transfer-cent62-using-rsync/">
<i class="fa fa-fw fa-pencil"></i>
</a>
<article class="default article">
<div class="featured-image">
<a href="/post/transfer-cent62-using-rsync/">
<img src="/images/post-default-9.jpg" alt="">
</a>
</div>
<div class="content">
<h3><a href="/post/transfer-cent62-using-rsync/">[筆記] 用rsync 移轉 centos 6.2的老機器 Transfer Cent6.2 using rsync</a></h3>
<div class="meta">
<span class="date moment">2019-03-27</span>
<span class="categories">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
</div>
<p>公司的一台老伺服器空間不足了，要執行指令都會中斷，所以想要擴充空間。</p>
<p>看起來不難搞，事實上&hellip;..
</p>
<a href="/post/transfer-cent62-using-rsync/" class="more"></a>
</div>
<div class="footer">
<div class="tags">
<i class="fa fa-tags"></i>
<div class="links">
<a href="/tags/centos">centos</a>
<a href="/tags/linux">linux</a>
</div>
</div>
</div>
</article>
@@ -907,6 +922,10 @@
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -931,10 +950,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -945,7 +960,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

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@@ -91,6 +91,82 @@
<div class="article-wrapper u-cf">
<a class="bubble" href="/post/transfer-cent62-using-rsync/">
<i class="fa fa-fw fa-pencil"></i>
</a>
<article class="default article">
<div class="featured-image">
<a href="/post/transfer-cent62-using-rsync/">
<img src="/images/post-default-9.jpg" alt="">
</a>
</div>
<div class="content">
<h3><a href="/post/transfer-cent62-using-rsync/">[筆記] 用rsync 移轉 centos 6.2的老機器 Transfer Cent6.2 using rsync</a></h3>
<div class="meta">
<span class="date moment">2019-03-27</span>
<span class="categories">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
</div>
<p>公司的一台老伺服器空間不足了，要執行指令都會中斷，所以想要擴充空間。</p>
<p>看起來不難搞，事實上&hellip;..
</p>
<a href="/post/transfer-cent62-using-rsync/" class="more"></a>
</div>
<div class="footer">
<div class="tags">
<i class="fa fa-tags"></i>
<div class="links">
<a href="/tags/centos">centos</a>
<a href="/tags/linux">linux</a>
</div>
</div>
</div>
</article>
</div>
<div class="article-wrapper u-cf">
<a class="bubble" href="/post/command_to_test_main_ssl/">
@@ -801,83 +877,6 @@
</div>
</article>
</div>
<div class="article-wrapper u-cf">
<a class="bubble" href="/post/ansible-selectattr-filter/">
<i class="fa fa-fw fa-pencil"></i>
</a>
<article class="default article">
<div class="featured-image">
<a href="/post/ansible-selectattr-filter/">
<img src="/images/post-default-11.jpg" alt="">
</a>
</div>
<div class="content">
<h3><a href="/post/ansible-selectattr-filter/">[筆記] 還是 Ansible Selectattr </a></h3>
<div class="meta">
<span class="date moment">2018-11-29</span>
<span class="categories">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
</div>
<p>在上一篇 <a href="https://h.cowbay.org/post/ansible-selectattr/">Ansible how to use &lsquo;list&rsquo; in yaml file </a></p>
<p>有提到怎麼用 with_items / set_fact 來取得在yaml 檔案中的清單</p>
<p>不過就是有點醜</p>
<p></p>
<a href="/post/ansible-selectattr-filter/" class="more"></a>
</div>
<div class="footer">
<div class="tags">
<i class="fa fa-tags"></i>
<div class="links">
<a href="/tags/ansible">ansible</a>
</div>
</div>
</div>
</article>
@@ -910,6 +909,10 @@
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -934,10 +937,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -948,7 +947,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

87
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@@ -91,6 +91,83 @@
<div class="article-wrapper u-cf">
<a class="bubble" href="/post/ansible-selectattr-filter/">
<i class="fa fa-fw fa-pencil"></i>
</a>
<article class="default article">
<div class="featured-image">
<a href="/post/ansible-selectattr-filter/">
<img src="/images/post-default-11.jpg" alt="">
</a>
</div>
<div class="content">
<h3><a href="/post/ansible-selectattr-filter/">[筆記] 還是 Ansible Selectattr </a></h3>
<div class="meta">
<span class="date moment">2018-11-29</span>
<span class="categories">
<a href="/categories/%E7%AD%86%E8%A8%98">筆記</a>
</span>
<span class="author"><a href="/author/eric-chang">Eric Chang</a></span>
</div>
<p>在上一篇 <a href="https://h.cowbay.org/post/ansible-selectattr/">Ansible how to use &lsquo;list&rsquo; in yaml file </a></p>
<p>有提到怎麼用 with_items / set_fact 來取得在yaml 檔案中的清單</p>
<p>不過就是有點醜</p>
<p></p>
<a href="/post/ansible-selectattr-filter/" class="more"></a>
</div>
<div class="footer">
<div class="tags">
<i class="fa fa-tags"></i>
<div class="links">
<a href="/tags/ansible">ansible</a>
</div>
</div>
</div>
</article>
</div>
<div class="article-wrapper u-cf">
<a class="bubble" href="/post/ansible-selectattr/">
@@ -744,6 +821,10 @@
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -768,10 +849,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -782,7 +859,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

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@@ -342,6 +342,10 @@ barman@barman:~$
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -366,10 +370,6 @@ barman@barman:~$
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -380,7 +380,7 @@ barman@barman:~$
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

10
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@@ -506,6 +506,10 @@ Deleted backup 20190822T171355 (start time: Fri Aug 23 09:36:43 2019, elapsed ti
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -530,10 +534,6 @@ Deleted backup 20190822T171355 (start time: Fri Aug 23 09:36:43 2019, elapsed ti
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -544,7 +544,7 @@ Deleted backup 20190822T171355 (start time: Fri Aug 23 09:36:43 2019, elapsed ti
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

10
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@@ -607,6 +607,10 @@ postgres@hqdc034:~$
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -631,10 +635,6 @@ postgres@hqdc034:~$
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -645,7 +645,7 @@ postgres@hqdc034:~$
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

10
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@@ -315,6 +315,10 @@
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -339,10 +343,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -353,7 +353,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
</li>
<li>

10
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@@ -282,6 +282,10 @@ echo &quot;#!/bin/sh -e\nexit 0&quot; &gt; /etc/rc.local
<strong></strong>
<ul>
<li>
<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -306,10 +310,6 @@ echo &quot;#!/bin/sh -e\nexit 0&quot; &gt; /etc/rc.local
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -320,7 +320,7 @@ echo &quot;#!/bin/sh -e\nexit 0&quot; &gt; /etc/rc.local
<ul>
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<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
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public/post/site-to-site-vpn-using-wireguard-in-two-edgerouters/index.html
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@@ -411,6 +411,10 @@ ip route add 192.168.112.0/24 dev wg0
<strong></strong>
<ul>
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<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -435,10 +439,6 @@ ip route add 192.168.112.0/24 dev wg0
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -449,7 +449,7 @@ ip route add 192.168.112.0/24 dev wg0
<ul>
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<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
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public/post/smartd-failed-to-start-in-freenas/index.html
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@@ -215,6 +215,10 @@
<strong></strong>
<ul>
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<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -239,10 +243,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -253,7 +253,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
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public/post/synology-ds415-repair-cost/index.html
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@@ -265,6 +265,10 @@
<strong></strong>
<ul>
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<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -289,10 +293,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -303,7 +303,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
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public/post/transfer-cent62-using-rsync/index.html
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@@ -580,6 +580,10 @@ df -h
<strong></strong>
<ul>
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<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -604,10 +608,6 @@ df -h
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -618,7 +618,7 @@ df -h
<ul>
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<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
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public/post/transfer-file-content-using-xclip-in-terminal/index.html
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@@ -264,6 +264,10 @@ Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
<strong></strong>
<ul>
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<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -288,10 +292,6 @@ Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -302,7 +302,7 @@ Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
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public/post/ubuntu-1804-install-root-on-raid/index.html
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@@ -327,6 +327,10 @@
<strong></strong>
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<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -351,10 +355,6 @@
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -365,7 +365,7 @@
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
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public/post/weird-client-server-connection/index.html
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@@ -296,6 +296,10 @@ acl CONNECT method CONNECT
<strong></strong>
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<a href="/post/bencmark-with-external-internal-nvme-ssd-and-external-sata-ssd/">[筆記] 測試 USB 3.1 Gen2 NVME SSD 外接盒 &amp; 內建pci-e ssd &amp; 外接SATA SSD / Bencmark With External Internal Nvme Ssd and External Sata Ssd</a>
</li>
<li>
<a href="/post/postgresql-backup-restore-using-zfs-snapshot/">[筆記] 用zfs的snapshot 快照功能來做 postgresql 的備份還原 / Postgresql Backup Restore Using Zfs Snapshot</a>
</li>
@@ -320,10 +324,6 @@ acl CONNECT method CONNECT
<a href="/post/do-no-use-10-0-0-0-private-ipaddr-in-gcp/">[筆記] 在gcp 中用wireguard建立VPN時，不要用 10.0.0.0/16 網段/Do No Use 10 0 0 0 Private Ipaddr in GCP</a>
</li>
<li>
<a href="/post/multiple-site-to-site-vpn-using-wireguard/">[筆記] 透過 wireguard 建立多點 site to site VPN / Multiple Site to Site VPN Using Wireguard</a>
</li>
</ul>
</div>
@@ -334,7 +334,7 @@ acl CONNECT method CONNECT
<ul>
<li>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (29)</a>
<a href="/categories/%E7%AD%86%E8%A8%98">筆記 (30)</a>
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