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somediskimage
2010 Apr 13
2
XFS-filesystem corrupted by defragmentation Was: Performance problems with XFS on Centos 5.4
Before I'd try to defragment my whole filesystem (see attached mail
for whole story) I figured "Let's try it on some file".
So I did
> xfs_bmap /raid/Temp/someDiskimage.iso
[output shows 101 extents and 1 hole]
Then I defragmented the file
> xfs_fsr /raid/Temp/someDiskimage.iso
extents before:101 after:3 DONE
> xfs_bmap /raid/Temp/someDiskimage.iso
[output shows 3 extents and 1 hole]
and now comes the bummer: i wanted to check the fragmentation of the
wh...