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How to repair an Xsan file system OS X Server
Apple has published a technical note explaining how to repair an Xsan file system. They explain that one uses the following commands to do this:

sudo cvfsck -j VolumeName
sudo cvfsck -nv VolumeName

Note that this is different from the standard fsck command used with a regular file system. See the Apple document for more information on using this command.
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How to repair an Xsan file system
Authored by: billabOng on Oct 01, '12 11:47:37AM

-n is read-only, you'd have to omit the n to actually commit anything.

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How to repair an Xsan file system
Authored by: lar3ry on Oct 01, '12 06:38:35PM
Of course, you are correct; and while this hint doesn't say so (it says the commands are for fixing), the actual tech note is more accurate. It says that those two commands are for checking to see if a volume is corrupted.

In the same Tech Note, the command is given with the "-wv" option to actually fix the volume, along with the "-nv" afterward to check to make sure it is really fixed:

sudo cvfsck -wv VolumeName

If you are having issues with Xsan and need to manually check and possibly fix, by all means use the tech note and don't rely solely on this hint.

Edited on Oct 01, '12 06:39:30PM by lar3ry

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