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update some content

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Eric Chang
2021-10-28 14:15:01 +08:00
parent b8600ab259
commit 27b5a11382
163 changed files with 951 additions and 922 deletions
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public/post/fix-zpool-device-busy-using-dmsetup/index.html
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@@ -45,9 +45,9 @@
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@@ -307,14 +307,14 @@ if (!doNotTrack) {
<p>今天把其中一台proxmox 加上10G 光纖網卡，準備和另一台proxmox 組成10G 環境進行測試</p>
<p>想說把本機的zpool 拆掉，重新建立一個raid0 的空間來做clone/migrate</p>
<p>可是一直出現device busy的錯誤訊息</p>
<pre tabindex="0"><code>root@pve:~# zpool create zp sdb1
<pre><code>root@pve:~# zpool create zp sdb1
cannot open '/dev/sdb1': Device or resource busy
</code></pre><p>可是我沒有mount 這個分割進來</p>
<p>而且我也可以用fdisk 去切sdb ，代表sdb 沒有真的被使用</p>
<p>找了很久，終於找到這個dmsetup指令</p>
<p>先用 <code>dmsetup info -C </code> 來看現在的狀態</p>
<pre tabindex="0"><code>root@pve:~# dmsetup info -C
<pre><code>root@pve:~# dmsetup info -C
Name Maj Min Stat Open Targ Event UUID
ST2000DM001-1ER164_W4Z3KKJB 253 3 L--w 0 1 0 mpath-ST2000DM001-1ER164_W4Z3KKJB
pve-swap 253 0 L--w 2 1 0 LVM-6Hle5UGjtr8NQQsbMrYlSdGXZklwAi87Kq9NlzQa6xvgiHOEP3Ekx72i5yYNaupf
@@ -325,13 +325,13 @@ ST2000DM001-1ER164_W4Z3GYNJ 253 4 L--w 0 1 0 mpath-ST2000DM00
</code></pre><p>除了那兩個LVM開頭的以外，其他都不應該出現在這裡才對
移除掉應該就可以了
要照順序，像那個有part1 的，就要先移掉，才能移掉底層</p>
<pre tabindex="0"><code>root@pve:~# dmsetup remove ST2000DM001-1ER164_W4Z3KM2F-part1
<pre><code>root@pve:~# dmsetup remove ST2000DM001-1ER164_W4Z3KM2F-part1
root@pve:~# dmsetup remove ST2000DM001-1ER164_W4Z3KM2F
root@pve:~# dmsetup remove ST2000DM001-1ER164_W4Z3KKJB
root@pve:~# dmsetup remove ST2000DM001-1ER164_W4Z3KM2F
root@pve:~# dmsetup remove ST2000DM001-1ER164_W4Z3GYNJ
</code></pre><p>再來建立zpool 就 OK了</p>
<pre tabindex="0"><code>root@pve:~# zpool create zp sdb sdc sdd
<pre><code>root@pve:~# zpool create zp sdb sdc sdd
root@pve:~# zpool status
pool: zp
state: ONLINE
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