Hi
I am using LVM 1.0.6, kernel 2.4.20 and XFS (from linux-2.4-xfs CVS).
My question is that is the snapshot volume extendable?
My environment is as follows:
/dev/vg01/lv01 ---> XFS, 2G
/dev/vg01/lv01_snap --> 256M, snapshot for /dev/vg01/lv01, mounted under
/snap with ro,nouuid,usrquota,grpquota,noatime
Now I have wrote a small shell scripts that if lv01_snap is more than 50%
full, automatically increase the lv01_snap. But it seems to me that it does
not work well..
What I did in the shell scripts are 'lvextend -L+256M /dev/vg01/lv01_snap'
with/without 'xfs_growfs /snap'.
After umounting the /snap and trying to remount /snap, it complaints as
below
XFS: recovery required required on read-only device
XFS: write access unavailabe, cannot proceed
XFS: log mount/recovery failed
XFS: log mount failed
mount: wrong fs type, bad option, bad superblock on /dev/vg01/lv01,
or too many mounted file systems
(aren't you trying to mount an extended partition,
instead of some logical partition inside?)
BTW, extending the original lv01 works fine with lvextend and xfs_growfs.
Could someone please help?
Thanks in advance
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