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add auto fetch ssl certs

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Eric Chang
2021-08-26 12:11:25 +08:00
parent 11ca254bed
commit 509ac048fc
237 changed files with 4968 additions and 7406 deletions
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public/post/incredibly-slow-mdadm-rebuild/index.html
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@@ -13,7 +13,7 @@
"articleSection" : "post",
"name" : "[碎念] mdadm 超級慢的rebuild 速度 Incredibly Slow mdadm Rebuild",
"headline" : "[碎念] mdadm 超級慢的rebuild 速度 Incredibly Slow mdadm Rebuild",
"description" : "\x3cp\x3e最近在做一台老機器的P2V\x3c\/p\x3e\n\n\x3cp\x3e偏偏user說不能關機，所以我用dd \x2b ssh 做線上移轉\x3c\/p\x3e\n\n\x3cp\x3e這部份有空再來寫\x3c\/p\x3e\n\n\x3cp\x3e只是因為原來的設定有用mdadm 做raid1\x3c\/p\x3e\n\n\x3cp\x3e這部份導致移轉過去proxmox 後，會出現raid degrade 導致無法正常開機\x3c\/p\x3e",
"description" : "\x3cp\x3e最近在做一台老機器的P2V\x3c\/p\x3e\n\x3cp\x3e偏偏user說不能關機，所以我用dd \x2b ssh 做線上移轉\x3c\/p\x3e\n\x3cp\x3e這部份有空再來寫\x3c\/p\x3e\n\x3cp\x3e只是因為原來的設定有用mdadm 做raid1\x3c\/p\x3e\n\x3cp\x3e這部份導致移轉過去proxmox 後，會出現raid degrade 導致無法正常開機\x3c\/p\x3e",
"inLanguage" : "en",
"author" : "Eric Chang",
"creator" : "Eric Chang",
@@ -45,9 +45,9 @@
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<div class="entry-content">
<article>
<p>最近在做一台老機器的P2V</p>
<p>偏偏user說不能關機，所以我用dd + ssh 做線上移轉</p>
<p>這部份有空再來寫</p>
<p>只是因為原來的設定有用mdadm 做raid1</p>
<p>這部份導致移轉過去proxmox 後，會出現raid degrade 導致無法正常開機</p>
<p>我的想法是既然開機會出現raid degrade</p>
<p>那我就加第二顆硬碟給它，讓它做 rebuild</p>
<p>OK，原則上這樣做沒有問題</p>
<p>問題是它X的，這個mdadm rebuild 的速度也未免太慢了吧！</p>
<pre><code>Every 2.0s: cat /proc/mdstat Wed Dec 12 11:01:36 2018
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
@@ -337,12 +324,8 @@ md0 : active raid1 sda5[0] sdb5[2]
[&gt;....................] recovery = 0.5% (2468032/487276352) finish=2079.7min speed=3884K/sec
unused devices: &lt;none&gt;
</code></pre>
<p>這個是一開始跑的速度</p>
</code></pre><p>這個是一開始跑的速度</p>
<p>然後這個是跑了大概10分鐘之後的速度(有稍稍提昇一點點)</p>
<pre><code>Every 2.0s: cat /proc/mdstat Wed Dec 12 11:17:31 2018
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
@@ -354,12 +337,8 @@ md0 : active raid1 sda5[0] sdb5[2]
[&gt;....................] recovery = 1.4% (6978688/487276352) finish=1915.9min speed=4177K/sec
unused devices: &lt;none&gt;
</code></pre>
<p>等等看會不會速度再快一點..</p>
</code></pre><p>等等看會不會速度再快一點..</p>
<p>一個小時了，還是一樣慢..</p>
<pre><code>Every 2.0s: cat /proc/mdstat Wed Dec 12 12:20:16 2018
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
@@ -372,10 +351,7 @@ md0 : active raid1 sda5[0] sdb5[2]
unused devices: &lt;none&gt;
</code></pre>
<p>突然又加速了，希望能維持下去啊！&hellip;.</p>
</code></pre><p>突然又加速了，希望能維持下去啊！&hellip;.</p>
<pre><code>Every 2.0s: cat /proc/mdstat Wed Dec 12 13:33:42 2018
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
@@ -663,7 +639,7 @@ title="pinterest icon"></i>
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