fsck problems -----

[dictum9]

I had a machine crash after which a vg00 filesystem did not come up. When I tried to mount it, it said to run fsck. But fsck is giving me problems:

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# fsck -F vxfs /dev/vg00/rlvol10
file system is larger than device
vxfs fsck: cannot initialize aggregate
file system check failure, aborting ...
#

[Jonathan Fife · Accepted solution]

Did the machine crash after an lvreduce but before the filesystem was reduced?

[Steven E. Protter]

Shalom,

fsck -F vxfs -o full -y /dev/vg00/rlvol10

If this does not help its pretty hopeless.

You may need to run newfs which will wipe out all the data.

You of course have a good backup ready.

SEP

[IT_2007]

use with -o option

fsck -F vxfs -o largefiles /dev/vg00/rlvol9

[spex]

etc,

Unfortunately, you'll have to restore vg00 from a backup.

PCS

[IT_2007]

If something changed in the filesystem, you may not able to recover it. you may have to recreate it with newfs command.

[Pupil_1]

looks like ignite or backup is the last go.

[V.Manoharan]

try
fsck -F vxfs -o full -y /dev/vg00/rlvol10
if doesn't work go for ignite restore.

[Jaime Bolanos Rojas.]

Etc,

Use Steven's syntax or IT's, also you might want to add the -m option to see what returns:

http://docs.hp.com/en/B2355-60105/fsck.1M.html

"-m Perform a sanity check only. fsck will return 0 if the file system is suitable for mounting. If the file system needs additional checking, the return code is 32. If the file system is mounted, the return code is 33. Error codes larger than 33 indicate that the file system is badly damaged."

Regards,

Jaime.

[A. Clay Stephenson]

vg00/lvol10 is not a standard LVOL. You should be able to bring the machine up in single user mode and recreate the filesystem via newfs and then restore from backup.

An easier method is to bring the box up in single-user mode, mount /var and /usr and then vi /etc/fstab. I would comment the entry out of /etc/fstab and allow the box to then come up in normal multi-user mode.
You can then recreate the filesystem and restore it at leisure.

This really looks like you broke one of the system setup rules and are using vg00 for purposes other than solely for the OS.