You do xfs_repair on md1 while unmounting md0 ? On Wed, Sep 30, 2009 at 6:50 AM, sidmanm <sidmanm@xxxxxxxxx> wrote: > > I suspect that I have a corrupted Superblock, but am stuck with what I can do > next....I have a Buffalo Terastation Pro that runs on Linux. I tried to run > xfs_repair, but xfs_repair wants me to umount; umount is busy, and am > hesitant to umount -F....any guidance is greatly appreciated. > > Here's the log from my telnet session: > > TS-TGLE79 login: myroot > root@TS-TGLE79:~# xfs_repair /dev/md1 > xfs_repair: warning - cannot get sector size from block device /dev/md1: > Invalid argument > Phase 1 - find and verify superblock... > sb root inode value 18446744073709551615 (NULLFSINO) inconsistent with > calculated value 256 > resetting superblock root inode pointer to 256 > sb realtime bitmap inode 18446744073709551615 (NULLFSINO) inconsistent with > calculated value 257 > resetting superblock realtime bitmap ino pointer to 257 > sb realtime summary inode 18446744073709551615 (NULLFSINO) inconsistent with > calculated value 258 > resetting superblock realtime summary ino pointer to 258 > Phase 2 - using internal log > - zero log... > ERROR: The filesystem has valuable metadata changes in a log which needs to > be replayed. Mount the filesystem to replay the log, and unmount it before > re-running xfs_repair. If you are unable to mount the filesystem, then use > the -L option to destroy the log and attempt a repair. > Note that destroying the log may cause corruption -- please attempt a mount > of the filesystem before doing this. > > root@TS-TGLE79:~# mount > /dev/md0 on / type auto (rw,noatime) > proc on /proc type proc (rw) > /dev/shm on /mnt/ram type tmpfs (rw,mode=1777,size=15m) > /dev/ram1 on /tmp type ext2 (rw) > devpts on /dev/pts type devpts (rw,gid=5,mode=620) > /proc/bus/usb on /proc/bus/usb type usbdevfs (rw) > > root@TS-TGLE79:~# umount /dev/md0 > umount: /: device is busy > > Any guidance is greatly appreciated. > > Kind thanks, > > Michael > -- > View this message in context: http://www.nabble.com/Cannnot-umount-to-fix-a-corrupted-Superblock-on-Buffalo-Terastation-%28Linux%29-RAID-5-tp25674181p25674181.html > Sent from the linux-raid mailing list archive at Nabble.com. > > -- > 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 -- -- Best regards, [COOLCOLD-RIPN] -- 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
