On Apr 21, 2009 19:17 +1000, Robert Davidson wrote: > It is possible in this case that a fair chunk of data could have been lost as > the RAID card has a 256mb cache with no battery backup for cached data, At this point, all bets are off - ext3+jbd expects when the disk reports that data is safe on disk that it really is safe. > seems somewhat extreme that the superblock went missing (according to mount > the filesystem didn't exist, according to fsck.ext3 it had to use a backup > superblock), and that a whole directory disappeared and didn't end up in > lost+found. Well, if you lost 256MB at the start of the filesystem then that could easily contain the whole directory, which might only be a few blocks in size. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. _______________________________________________ Ext3-users mailing list Ext3-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ext3-users