On Nov 13, 2008 18:16 -0800, Kelly Kane wrote: > In the mean time, fsck.ext4 is not liking our filesystem. > > Group descriptor 353 checksum is invalid. Fix? yes > Pass 2: CheckingEntry 'spice-and-wolf-si-tendra-segunda-temporada' in > > /liamsito1234/cibercomics.com/wp-content/cache/supercache/www.cibercomics.com/2008/10/05 > (2152305) references inode > 2901322 in group 354 where _INODE_UNINIT is set. > Entry 'spice-and-wolf-si-tendra-segunda-temporada' in > > /liamsito1234/cibercomics.com/wp-content/cache/supercache/www.cibercomics.com/2008/10/05 > (2152305) has > deleted/unused inode 2901322. Clear? yes > /dev/sdb1: e2fsck canceled. > e2fsck: aborted > > Same block group each run through, different inode. > > I ran e2image and produced the following file: > > http://ext4dev.dreamhosters.com/watanabe-home-2008-11-13-1712.e2image.bz2 > > Unfortunately I cannot mount the filesystem right now due to: > > EXT4-fs: ext4_check_descriptors: Checksum for group 353 failed > (23397!=52411) > EXT4-fs: group descriptors corrupted! > mount: wrong fs type, bad option, bad superblock on /dev/sdb1, > missing codepage or other error In some cases useful info > is found in syslog - try > dmesg | tail or so > > Is there any hope for recovery of any of this data? You can run "tune2fs -O ^uninit_bg /dev/XXX" to disable the group descriptor checksums (and, unfortunately, the fast fsck benefits), but at least it will allow you to mount the filesystem. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html