On Sat, 10 Jun 2006, Robert Valentan wrote:
I think, there is a race condition in lvcreate while makeing a new
snapshot.
System: Tyan with 2 Opteron 246
xen 3.0.2-3
linux 2.6.16.13
lvm 2.02.07
3ware-Raid 9550 Raid5
Under xen i was unable to create a snapshot, I got always "LV
system/snap in use: not deactivating". Without xen, i got occasionally a
snapshot.
<..>
i got always a snapshot (on all 3 systems!). I think, there is an other
thread which is creating the new lv, and it will take longer as the
lvcreate will "think". I have to less knowledge to make a patch, which
is waiting for the correct event (creating lv complete).
Are you running udev, perchance?
Try reading the thread entitled "Problem creating snapshots with 2.6.16.9
and LVM 2.02.06", and refer to the following Debian bug:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=343671
In the bug history, there's debate if it's a problem with LVM or udev,
although your mail seems to indicate LVM. :)
(Note that I've also been having this problem for awhile, and the udev
"hack" seems to resolve it..)
------------------------------------------------------------------------
| nate carlson | natecars@natecarlson.com | http://www.natecarlson.com |
| depriving some poor village of its idiot since 1981 |
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