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Eric Chang
2021-10-28 14:15:01 +08:00
parent b8600ab259
commit 27b5a11382
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public/post/pgbarman-in-ubuntu-1804-postgresql-10-via-ssh/index.html
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@@ -45,9 +45,9 @@
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@@ -314,7 +314,7 @@ if (!doNotTrack) {
<h5 id="barmand">barman.d</h5>
<p>在/etc/barman.d/ 底下新增一個hqs019-ssh.conf</p>
<p>內容如下</p>
<pre tabindex="0"><code>[hqs019-ssh]
<pre><code>[hqs019-ssh]
description = &quot;hqs019 (via SSH)&quot;
ssh_command = ssh postgres@hqs019
conninfo = host=hqs019 user=barman dbname=database_name
@@ -324,18 +324,18 @@ parallel_jobs = 5
archiver = on
</code></pre><h5 id="postgresqlconf">postgresql.conf</h5>
<p>新增跟barman有關的設定如下</p>
<pre tabindex="0"><code>### for barman test
<pre><code>### for barman test
wal_level = 'archive'
archive_mode = on
archive_command = 'rsync -a %p barman@192.168.11.192:/var/lib/barman/hqs019-ssh/incoming/%f'
</code></pre><p>理論上這樣就可以了，但是實際上碰到很多問題</p>
<p>主要都是這個錯誤訊息</p>
<pre tabindex="0"><code>WAL archive: FAILED (please make sure WAL shipping is setup)
<pre><code>WAL archive: FAILED (please make sure WAL shipping is setup)
</code></pre><p>碰到這狀況，google 都會告訴你，在 postgresql.conf 裡面 archive_command 的路徑，要和 barman server 上的設定一致
<img src="https://i.imgur.com/3dMdytn.png" alt=""></p>
<p>但是我的路徑就沒有問題，還是一直跳這個錯誤</p>
<p>接著我又在 barman server 這邊做了這些事情</p>
<pre tabindex="0"><code>barman check hqs019-ssh
<pre><code>barman check hqs019-ssh
barman check hqs019-ssh
barman check hqs019-ssh
ssh postgres@hqs019
@@ -363,7 +363,7 @@ barman check hqs019
<p>想說確認一下psql 連接是不是正確(也的確正確無誤)</p>
<p>接著第一次 check 還是FAILED 喔，過沒多久我再跑一次 check 又正常了&hellip; WTF !!!</p>
<p>只要check 正常，接著跑 backup 應該就會很順利</p>
<pre tabindex="0"><code>barman@barman:~$ barman backup hqs019-ssh
<pre><code>barman@barman:~$ barman backup hqs019-ssh
Starting backup using rsync-exclusive method for server hqs019-ssh in /var/lib/barman/hqs019-ssh/base/20190823T113229
Backup start at LSN: 264/B7000028 (0000000100000264000000B7, 00000028)
This is the first backup for server hqs019-ssh
@@ -383,10 +383,10 @@ Processing xlog segments from file archival for hqs019-ssh
0000000100000264000000B7.00000028.backup
barman@barman:~$
</code></pre><p>檢查一下狀態</p>
<pre tabindex="0"><code>barman@barman:~$ barman list-backup hqs019-ssh
<pre><code>barman@barman:~$ barman list-backup hqs019-ssh
hqs019-ssh 20190823T113229 - Thu Aug 22 20:38:13 2019 - Size: 132.9 GiB - WAL Size: 0 B (tablespaces: tablespace_a:/var/lib/postgresql/10/main/tablespace_A, tablespace_b:/var/lib/postgresql/10/main/tablespace_B)
</code></pre><p>然後為了驗證是不是跑增量備份，所以再執行一次 backup</p>
<pre tabindex="0"><code>barman@barman:~$ barman backup hqs019-ssh
<pre><code>barman@barman:~$ barman backup hqs019-ssh
Starting backup using rsync-exclusive method for server hqs019-ssh in /var/lib/barman/hqs019-ssh/base/20190823T132124
Backup start at LSN: 264/B9000028 (0000000100000264000000B9, 00000028)
Starting backup copy via rsync/SSH for 20190823T132124 (5 jobs)
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