On Thu, Jun 09, 2005 at 12:16:57PM +0200, Klaus Strebel wrote: > Sven Riedel schrieb: > >Hi, > >I'm creating a backup script for a database using lvm snapshots. > >The script ran fine for a few test runs, then I added xfs_freeze -f > >just before the lvcreate command, as per HOWTO recipe. Now > >lvcreate went into deep-sleep and wont wake up: > > > >update:~/bin# ps ax | grep lvcreate > >25053 pts/2 D<L+ 0:00 lvcreate -s -L 55M -n tables_snap > > /dev/database_vg/tables_lv > > > >Running lvdisplay in a different terminal to see if lvm itself > >is still seeing all LVs results in lvdisplay going into > >deep-sleep mode as well. Doing an strace -p 25053 > >doesn't display anything (strace won't catch my interrupts > >either, but according to ps it's in a regular sleep). > > > >dmesg doesn't say anything to this situation. > > > >Is there a known issue with snapshots and xfs_freeze? > >Any way I can gather pertinent debugging info? > > > >I'm running lvm 2.01.04 (package from debian unstable). > > The HOWTO is way old, 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. It's freezing your box, not your filesystems. I'm *slowly* working on getting the howto updated for LVM2. I should have the xfs_freeze-related lines out today. I've been meaning to do that for a while. Please e-mail me if you see other things that are wrong in the HowTo. Thanks, -- AJ Lewis Voice: 612-638-0500 Red Hat Inc. E-Mail: alewis redhat com One Main Street SE, Suite 209 Minneapolis, MN 55414 Current GPG fingerprint = D9F8 EDCE 4242 855F A03D 9B63 F50C 54A8 578C 8715 Grab the key at: http://people.redhat.com/alewis/gpg.html or one of the many keyservers out there...
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