http://cslt.org/mediawiki/index.php?action=history&feed=atom&title=How_to_repair_super_blocksHow to repair super blocks - 版本历史2026-04-09T09:17:25Z本wiki的该页面的版本历史MediaWiki 1.23.3http://cslt.org/mediawiki/index.php?title=How_to_repair_super_blocks&diff=18632&oldid=prevCslt：以“1. The following commands are useful for checking raid status pvdisplay; vgdisplay, lvdisplay; lvs, lvscan, mdadm 2. superblock information is backed up in many pl...”为内容创建页面2016-01-13T05:07:45Z<p>以“1. The following commands are useful for checking raid status pvdisplay; vgdisplay, lvdisplay; lvs, lvscan, mdadm 2. superblock information is backed up in many pl...”为内容创建页面</p>
<p><b>新页面</b></p><div>1. The following commands are useful for checking raid status<br />
<br />
pvdisplay; vgdisplay, lvdisplay; lvs, lvscan, mdadm<br />
<br />
2. superblock information is backed up in many places, so don't worry it's corrupted. Check the article: <br />
<br />
http://www.cnblogs.com/nathaninchina/articles/2748678.html<br />
<br />
<br />
Basically: <br />
<br />
(1) using the following command to find the error<br />
<br />
sudo fsck.ext4 -v /dev/xxx<br />
<br />
(2) using hte following command to find superblock backup<br />
<br />
mke2fs -n /dev/xxx<br />
<br />
(3) using the following command to get backup:<br />
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e2fsck -b block_number /dev/xxx</div>Cslt