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[Xen-API] Error on coalesce in SMLog (XCP 1.6)


  • To: xen-api@xxxxxxxxxxxxx
  • From: Thomas Plant <blueschtar@xxxxxxxxx>
  • Date: Thu, 01 Aug 2013 08:57:56 +0200
  • Delivery-date: Thu, 01 Aug 2013 06:58:37 +0000
  • List-id: User and development list for XCP and XAPI <xen-api.lists.xen.org>

Hello.

I found the following errors in the SMLog when XCP does a coalesce on a VDI.

Saw this after a LiveStoragMigration. The VM to which the VDI belongs is running fine.

Here's the error:
[673] 2013-07-31 11:06:51.531663 Refcount for lvm-5d6c04e7-f55c-dce1-81a3-7884a896f1a6:dba43c80-55eb-43c0-bcae-4a4242d7e062 (1, 0) + (-1, 0) => (0, 0) [673] 2013-07-31 11:06:51.531718 Refcount for lvm-5d6c04e7-f55c-dce1-81a3-7884a896f1a6:dba43c80-55eb-43c0-bcae-4a4242d7e062 set => (0, 0b) [673] 2013-07-31 11:06:51.531914 ['/usr/sbin/lvchange', '-an', '/dev/VG_XenStorage-5d6c04e7-f55c-dce1-81a3-7884a896f1a6/VHD-dba43c80-55eb-43c0-bcae-4a4242d7e062']
[673] 2013-07-31 11:06:51.651535      pread SUCCESS
[673] 2013-07-31 11:06:51.651684 ['/sbin/dmsetup', 'status', 'VG_XenStorage--5d6c04e7--f55c--dce1--81a3--7884a896f1a6-VHD--dba43c80--55eb--43c0--bcae--4a4242d7e062']
[673] 2013-07-31 11:06:51.664637      pread SUCCESS
[673] 2013-07-31 11:06:51.664964 lock: released /var/lock/sm/lvm-5d6c04e7-f55c-dce1-81a3-7884a896f1a6/dba43c80-55eb-43c0-bcae-4a4242d7e062 [673] 2013-07-31 11:06:51.665080 lock: closed /var/lock/sm/lvm-5d6c04e7-f55c-dce1-81a3-7884a896f1a6/dba43c80-55eb-43c0-bcae-4a4242d7e062 [673] 2013-07-31 11:06:51.665293 lock: released /var/lock/sm/5d6c04e7-f55c-dce1-81a3-7884a896f1a6/sr [673] 2013-07-31 11:06:51.666149 SR 5d6c ('iSCSI open-e 0') (26 VDIs in 22 VHD trees): no changes [673] 2013-07-31 11:06:51.674629 Removed leaf-coalesce from 606278d9[VHD](200.000G//200.398G|a)
[673] 2013-07-31 11:06:51.674907 *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*
[673] 2013-07-31 11:06:51.674964             ***********************
[673] 2013-07-31 11:06:51.675013             *  E X C E P T I O N  *
[673] 2013-07-31 11:06:51.675061             ***********************
[673] 2013-07-31 11:06:51.675120 leaf-coalesce: EXCEPTION util.SMException, Timed out [673] 2013-07-31 11:06:51.675168 File "/opt/xensource/sm/cleanup.py", line 1416, in coalesceLeaf
    self._coalesceLeaf(vdi)
  File "/opt/xensource/sm/cleanup.py", line 1618, in _coalesceLeaf
    return self._liveLeafCoalesce(vdi)
  File "/opt/xensource/sm/cleanup.py", line 2128, in _liveLeafCoalesce
    return SR._liveLeafCoalesce(self, vdi)
  File "/opt/xensource/sm/cleanup.py", line 1666, in _liveLeafCoalesce
    self._doCoalesceLeaf(vdi)
  File "/opt/xensource/sm/cleanup.py", line 1700, in _doCoalesceLeaf
    vdi._coalesceVHD(timeout)
  File "/opt/xensource/sm/cleanup.py", line 675, in _coalesceVHD
    self.sr.uuid, abortTest, VDI.POLL_INTERVAL, timeOut)
  File "/opt/xensource/sm/cleanup.py", line 149, in runAbortable
    raise util.SMException("Timed out")

[673] 2013-07-31 11:06:51.675218 *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*
[673] 2013-07-31 11:06:51.675269    Leaf-coalesce failed, skipping
[673] 2013-07-31 11:06:51.675351 Starting asynch srUpdate for SR 5d6c04e7-f55c-dce1-81a3-7884a896f1a6 [11897] 2013-07-31 11:06:51.785049 Setting LVM_DEVICE to /dev/disk/by-scsid/23177744e33737371 [11897] 2013-07-31 11:06:51.794086 Setting LVM_DEVICE to /dev/disk/by-scsid/23177744e33737371 [11897] 2013-07-31 11:06:51.836874 lock: acquired /var/lock/sm/iscsiadm/running [11897] 2013-07-31 11:06:51.847091 lock: released /var/lock/sm/iscsiadm/running [11897] 2013-07-31 11:06:51.847173 lock: closed /var/lock/sm/iscsiadm/running [11897] 2013-07-31 11:06:51.847687 ['ls', '/sys/class/scsi_host', '-1', '--color=never']
[11897] 2013-07-31 11:06:51.855854      pread SUCCESS

I can attach the whole SMLog if required.

Thanks for any hint how I can get rid of this error and let the coalesce finish successfully.

Kind regards,
Thomas Plant

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