From: Heiko Helmle (heiko.helmle_at_head.de)
Date: Fri Sep 15 2006 - 12:20:41 CEST
Message-ID: <450A7E79.40204@head.de> Date: Fri, 15 Sep 2006 12:20:41 +0200 From: Heiko Helmle <heiko.helmle@head.de> Subject: [suse-sles-e] LVM Snapshots not really working on SLES10
Hello,
it looks like lvm snapshots are not possible on SLES10:
dl360g5:~ # lvcreate -A y -s -p r -L 100M -n fsck-opt /dev/system/opt
LV system/fsck-opt in use: not deactivating
Couldn't deactivate new snapshot.
it creates a non-functional LV that can only be deleted, but not used in
any way.
If you try this some 5-10 times, then eventually you get a working
snapshot - so this looks like a race condition.
Essentially this means that LVM-Snapshots are not reliably working on
SLES10, unless you try with brute force:
# until lvcreate -A y -s -p r -L 100M -n fsck-opt /dev/system/opt; do
lvremove -f /dev/system/fsck-opt; done
I found the related bug
https://bugzilla.novell.com/show_bug.cgi?id=178321 which was marked
fixed on 2006-06-30.
Has this fix already trickled into SLE10? If yes, then it's not working
:( (on kernel 2.6.16.21-0.15-smp, lvm2-2.02.02-11.2 and udev-085-30.10)
Mit freundlichem Gruß/ with kind regards
Heiko Helmle
Software Development
Horiba Europe Automation Division GmbH
Zabergäustr. 3
73765 Neuhausen
Tel: +49 -7158-933-415
Fax: +49 -7158-933-615
eMail: heiko.helmle@head.de
www: http://www.emd.horiba.com
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