RE: [Xen-users] XCP Timeout trying to do quiesced snapshot of WindowsServer 2008 Standard

["Brett Westover" <bwestover@xxxxxxxxxxx>]

Some more detail on this. After I attempt the snapshot,
/var/log/messages starts getting spammed with this:

-------------------
xenserver1 tapdisk[19068]: ERROR: errno -28 at vhd_complete:
/dev/VG_XenStorage-4b3d5a95-0830-1580-608b-aacea358ea5c/VHD-3f5f1bfa-521
1-453b-b447-eb0cd5cc17a5: op: 2, lsec: 6162416, secs: 8, nbytes: 4096,
blk: 1504, blk_offset: 4294967295
-------------------

It keeps doing that until I shutdown the VM and detach the second hard
disk that gets created. Then I see this in messages:

-------------------
Sep  9 14:06:58 closed image
/dev/VG_XenStorage-4b3d5a95-0830-1580-608b-aacea358ea5c/VHD-3f5f1bfa-521
1-453b-b447-eb0cd5cc17a5 (0 users, state: 0x00000000, type: 4)
Sep  9 14:06:58 xenserver1 tapdisk[13478]: tapdisk-log: closing after 0
errors
Sep  9 14:06:58 xenserver1 tapdisk[13478]: tapdisk-syslog: 12 messages,
916 bytes, xmits: 14, failed: 0, dropped: 0
Sep  9 14:06:58 xenserver1 tapdisk[13478]: tapdisk-control: draining 1
connections
Sep  9 14:06:58 xenserver1 tapdisk[13478]: tapdisk-control: done
-------------------


After that the errors stop.

I've tried searching the xen-api and xen-users archives, as well as
google, but can't seem to find any help.

Thanks,

Brett Westover


-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Brett
Westover
Sent: Wednesday, September 07, 2011 12:02 PM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] XCP Timeout trying to do quiesced snapshot of
WindowsServer 2008 Standard

I am running XCP 1.0.0

After running the "Install-XenProvider.cmd" in the Windows 2008 Standard
(64-bit) VM and rebooting, I am trying to do a quiesced snapshot of the
VM.

I use this command:
        # xe vm-snapshot-with-quiesce vm=2008_Standard_Test
new-name-label=Test-Quiesce

After a considerable amount of time (5 minutes at least) it returns:

        The VSS plug-in has timed out
       vm: 2b4426e6-8eb3-c883-8e20-81286d895169 (2008_Standard_Test)

A snapshot is created, but presumably it's not quiesced. Also, there
appears to be two disks attached to this VM. It wouldn't shut down, so I
forced it to power off. When I try to boot back up it says the VDI is
not found. If I detach the second disk, then it boots normally.

I have done this successfully with another VM, 2008 Enterprise 64-bit
and another Server 2003 32-bit. 

Where do I start troubleshooting to find out where its breaking down and
why?

Thanks,

Brett Westover



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