Change in vdsm[master]: virt: sampling: more cautious disk stats check
fromani at redhat.com
fromani at redhat.com
Tue Sep 30 11:20:02 UTC 2014
Francesco Romani has posted comments on this change.
Change subject: virt: sampling: more cautious disk stats check
......................................................................
Patch Set 1:
(2 comments)
http://gerrit.ovirt.org/#/c/33482/1/vdsm/virt/vm.py
File vdsm/virt/vm.py:
Line 538: if isVdsmImage(vmDrive):
Line 539: dStats['imageID'] = vmDrive.imageID
Line 540: elif "GUID" in vmDrive:
Line 541: dStats['lunGUID'] = vmDrive.GUID
Line 542: if sInfo is not None and eInfo is not None and (
> Just to make sure we are not hiding real errors - is eInfo expected to be N
Yes, if a disk disappears - hotunplug being the easiest case I think. A disk disappearing is most likely the cause of the issue you faced - can you describe the flow so I can test this fix?
Line 543: vmDrive.name in sInfo and vmDrive.name in eInfo):
Line 544: # will be None if sampled during recovery
Line 545: dStats.update(self._calcDiskRate(vmDrive, sInfo, eInfo,
Line 546: sampleInterval))
Line 539: dStats['imageID'] = vmDrive.imageID
Line 540: elif "GUID" in vmDrive:
Line 541: dStats['lunGUID'] = vmDrive.GUID
Line 542: if sInfo is not None and eInfo is not None and (
Line 543: vmDrive.name in sInfo and vmDrive.name in eInfo):
> The original code had unneeded parenthesis around the last two checks - thi
No big deal aout the first two cleanups, will push them.
Line 544: # will be None if sampled during recovery
Line 545: dStats.update(self._calcDiskRate(vmDrive, sInfo, eInfo,
Line 546: sampleInterval))
Line 547: except (AttributeError, TypeError, ZeroDivisionError):
--
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Gerrit-MessageType: comment
Gerrit-Change-Id: I059b69c33d45950f8377597ee8c6e7824e1ec223
Gerrit-PatchSet: 1
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Francesco Romani <fromani at redhat.com>
Gerrit-Reviewer: Dan Kenigsberg <danken at redhat.com>
Gerrit-Reviewer: Francesco Romani <fromani at redhat.com>
Gerrit-Reviewer: Nir Soffer <nsoffer at redhat.com>
Gerrit-Reviewer: automation at ovirt.org
Gerrit-Reviewer: oVirt Jenkins CI Server
Gerrit-HasComments: Yes
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