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Ext4 data corruption troubleExt4 data corruption troublePosted Oct 25, 2012 3:50 UTC (Thu) by ewen (subscriber, #4772)In reply to: Ext4 data corruption trouble by nix Parent article: Ext4 data corruption trouble [Updated]
Yes, I did intend to say "mount -o remount,ro /dev/sdb". For years it's been my usual "try to minimise the harm" approach, when dealing with a stuck server due to some mounts not responding. I'm not sure what happens with a modern server where the same volume is mounted in more than one location (hopefully all the mounts end up read-only). But it definitely works with /dev/mapper/$vgname-$lvname for instance if it's only mounted once.
Ewen
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Ext4 data corruption trouble Posted Oct 25, 2012 11:16 UTC (Thu) by nix (subscriber, #2304) [Link]
Bind mounts will be fine with this: they all share the same read-only state unless explicitly otherwise requested.
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