On Friday 25 May 2007 02:05:47 David Chinner wrote: > "-o ro,norecovery" will allow you to mount the filesystem and get any > uncorrupted data off it. > > You still may get shutdowns if you trip across corrupted metadata in > the filesystem, though. This filesystem is completely dead. hq:~# mount -o ro,norecovery /dev/loop1 /mnt/r5 May 28 13:41:50 hq kernel: Mounting filesystem "loop1" in no-recovery mode. Filesystem will be inconsistent. May 28 13:41:50 hq kernel: XFS: failed to read root inode hq:~# xfs_db /dev/loop1 xfs_db: cannot read root inode (22) xfs_db: cannot read realtime bitmap inode (22) Segmentation fault hq:~# strace xfs_db /dev/loop1 _llseek(4, 0, [0], SEEK_SET) = 0 read(4, "XFSB\0\0\20\0\0\0\0\0\6\374\253\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512 pread(4, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512, 480141901312) = 512 pread(4, "\30G$L\203\33OE \256=\207@\340\264O\"\324\2074DY\323\6"..., 8192, 131072) = 8192 write(2, "xfs_db: cannot read root inode ("..., 36xfs_db: cannot read root inode (22) ) = 36 pread(4, "\30G$L\203\33OE \256=\207@\340\264O\"\324\2074DY\323\6"..., 8192, 131072) = 8192 write(2, "xfs_db: cannot read realtime bit"..., 47xfs_db: cannot read realtime bitmap inode (22) ) = 47 --- SIGSEGV (Segmentation fault) @ 0 (0) --- +++ killed by SIGSEGV +++ Browsing with hexdump -C, seems like a part of a PDF file is at 128Kb, on the place of the root inode. :( -- d - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html