[linux-lvm] xfs_freeze & lvm2
rich at hq.vsaa.lv
Fri Oct 14 13:34:08 UTC 2005
i am not subscribed, so i would be thankful if i could get a reply with
i tried making snapshots of xfs filesystem on lvm2. if xfs was frozen,
lvcreate stopped at
dm suspend space-data N
issuing xfs_freeze -u allowed the process to continue.
in this list, Thu, 09 Jun 2005 Klaus Strebel wrote :
"with LVM2 the XFS filesystem is 'frozen' automaticly on the mount
-onouuid,ro ( not quite sure, but probably also for LVM1 ..., think it's
in the XFS code ).
So, forget xfs_freeze."
as i understand it, consistent copy is created when lvcreate is issued,
not when snapshot volume is mounted - is this right ?
if so, shouldn't filesystem also be frozen when a snapshot volume is
if it actually is done together with snapshot, does this mean that i
really can forget about xfs_freeze and just create snapshots ?
must i specify ro in mount options or is this optional ?
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