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Eric Chang
2021-10-28 14:13:06 +08:00
parent 97eb780aa4
commit 4f99455d8f
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public/post/rescue-synology-nas-with-ubuntu-livecd/index.html
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@@ -13,7 +13,7 @@
"articleSection" : "post",
"name" : "[筆記] 用ubuntu livecd 救援群暉 synology NAS內的資料 \/ rescue synology nas with ubuntu livecd",
"headline" : "[筆記] 用ubuntu livecd 救援群暉 synology NAS內的資料 \/ rescue synology nas with ubuntu livecd",
"description" : "\x3cp\x3e2020\/01\/02 , 2020年上工的第一天，群暉的 DS415\x2b NAS 掛了！\x3c\/p\x3e\n\x3cp\x3e因為群暉的文件在最關鍵的一步寫得亂七八糟！\x3c\/p\x3e\n\x3cp\x3e所以在這邊紀錄一下我操作的步驟！\x3c\/p\x3e",
"description" : "\u003cp\u003e2020\/01\/02 , 2020年上工的第一天，群暉的 DS415\u002b NAS 掛了！\u003c\/p\u003e\n\u003cp\u003e因為群暉的文件在最關鍵的一步寫得亂七八糟！\u003c\/p\u003e\n\u003cp\u003e所以在這邊紀錄一下我操作的步驟！\u003c\/p\u003e",
"inLanguage" : "en",
"author" : "Eric Chang",
"creator" : "Eric Chang",
@@ -21,8 +21,8 @@
"accountablePerson" : "Eric Chang",
"copyrightHolder" : "Eric Chang",
"copyrightYear" : "2020",
"datePublished": "2020-01-03 15:43:45 \x2b0800 CST",
"dateModified" : "2020-01-03 15:43:45 \x2b0800 CST",
"datePublished": "2020-01-03 15:43:45 \u002b0800 CST",
"dateModified" : "2020-01-03 15:43:45 \u002b0800 CST",
"url" : "https:\/\/h.cowbay.org\/post\/rescue-synology-nas-with-ubuntu-livecd\/",
"wordCount" : "444",
"image" : "https://h.cowbay.orghttps://h.cowbay.org/images/post-default-11.jpg"",
@@ -45,9 +45,9 @@
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@@ -317,7 +317,7 @@ if (!doNotTrack) {
<h4 id="安裝必要套件">安裝必要套件</h4>
<p>進入 ubuntu Live 之後，按 ctal + alt + t</p>
<p>開啟 terminal ，然後先安裝 mdadm &amp; lvm2</p>
<pre><code>ubuntu@ubuntu:~$ sudo apt install mdadm lvm2
<pre tabindex="0"><code>ubuntu@ubuntu:~$ sudo apt install mdadm lvm2
Reading package lists... Done
Building dependency tree
Reading state information... Done
@@ -339,13 +339,13 @@ Fetched 1,346 kB in 3s (501 kB/s)
以下省略
</code></pre><h4 id="scan-raid-and-lvm">scan raid and lvm</h4>
<p>接下來先換成 root 操作</p>
<pre><code>ubuntu@ubuntu:~$ sudo su -
<pre tabindex="0"><code>ubuntu@ubuntu:~$ sudo su -
</code></pre><p>然後掃描 raid &amp; LVM</p>
<pre><code>root@ubuntu:~# mdadm -Asf &amp;&amp; vgchange -ay
<pre tabindex="0"><code>root@ubuntu:~# mdadm -Asf &amp;&amp; vgchange -ay
mdadm: /dev/md/2 has been started with 4 drives.
2 logical volume(s) in volume group &quot;vg1&quot; now active
</code></pre><p>COOL！ 原本的VG出現了！</p>
<pre><code>root@ubuntu:~# vgdisplay
<pre tabindex="0"><code>root@ubuntu:~# vgdisplay
--- Volume group ---
VG Name vg1
System ID
@@ -367,7 +367,7 @@ mdadm: /dev/md/2 has been started with 4 drives.
Free PE / Size 0 / 0
VG UUID O1c8Uw-JmKy-EiKt-92OB-3K3y-roMi-9NUZ6H
</code></pre><p>也可以看到 RAID 資訊了！</p>
<pre><code>root@ubuntu:~# mdadm -D /dev/md2
<pre tabindex="0"><code>root@ubuntu:~# mdadm -D /dev/md2
/dev/md2:
Version : 1.2
Creation Time : Thu Oct 13 07:26:12 2016
@@ -403,14 +403,14 @@ Consistency Policy : resync
<p><a href="https://h.cowbay.org/post/what-a-piss-in-synology-document/">https://h.cowbay.org/post/what-a-piss-in-synology-document/</a></p>
<p>問題發生了，總是要想辦法解決</p>
<h4 id="scan-lv">scan lv</h4>
<pre><code>root@ubuntu:~# lvscan
<pre tabindex="0"><code>root@ubuntu:~# lvscan
ACTIVE '/dev/vg1/syno_vg_reserved_area' [12.00 MiB] inherit
ACTIVE '/dev/vg1/volume_1' [5.44 TiB] inherit
</code></pre><p>OK ，在 vg1 底下有兩個 volume ，看大小來判斷，第二個是我們要的</p>
<p>用底下的指令就可以掛載了</p>
<pre><code>mount /dev/vg1/volume_1 /mnt
<pre tabindex="0"><code>mount /dev/vg1/volume_1 /mnt
</code></pre><p>請依照自己的環境，把第一個路徑改掉，如果要掛載到別的目錄，那也把第二個 /mnt 改掉</p>
<pre><code>root@ubuntu:/dev# mount /dev/vg1/volume_1 /mnt
<pre tabindex="0"><code>root@ubuntu:/dev# mount /dev/vg1/volume_1 /mnt
root@ubuntu:/dev# cd /mnt
root@ubuntu:/mnt# ls
@appstore @database @EP_trash @MailScanner @S2S
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