Adam Litke has posted comments on this change. Change subject: Live Merge: work around racy libvirt pivot ......................................................................
Patch Set 3: (3 comments) https://gerrit.ovirt.org/#/c/39303/3/vdsm/virt/vm.py File vdsm/virt/vm.py: Line 5121: # synchronized and we may start the vm with a stale volume in the Line 5122: # future. See https://bugzilla.redhat.com/show_bug.cgi?id=1202719 for Line 5123: # more details. Line 5124: # Line 5125: # TODO: Remove once we depend on a libvirt with this bug fixed. > How about adding a whitespace here? The single line of code (origVols = ... I'll just move the origVols below the lower comment. It's pertinent to the comment anyway. Line 5126: origVols = sorted([x['volumeID'] for x in self.drive.volumeChain]) Line 5127: # We expect libvirt to show that the original leaf has been removed Line 5128: # from the active volume chain. Line 5129: expectedVols = origVols[:] Line 5130: expectedVols.remove(self.drive.volumeID) Line 5131: Line 5132: alias = self.drive['alias'] Line 5133: self.vm.log.debug("Waiting for libvirt to update the XML after pivot " Line 5134: "of drive %s completed", alias) > I wonder if log.info is more appropriate Sure, I don't mind bumping it. Line 5135: while True: Line 5136: # This operation should complete in either one or two iterations of Line 5137: # this loop. Until libvirt updates the XML there is nothing to do Line 5138: # but wait. While we wait we continue to tell engine that the job Line 5141: # reconcileVolumeChain verb. Line 5142: chains = self.vm._driveGetActualVolumeChain([self.drive]) Line 5143: if alias not in chains.keys(): Line 5144: raise RuntimeError("Failed to retrieve volume chain for " Line 5145: "drive:%s. Pivot failed.", alias) > "drive:%s" seems annoying how about "drive: %s" or even "drive %s" ? ok. Line 5146: curVols = sorted([entry.uuid for entry in chains[alias]]) Line 5147: Line 5148: if curVols == origVols: Line 5149: time.sleep(1) -- To view, visit https://gerrit.ovirt.org/39303 To unsubscribe, visit https://gerrit.ovirt.org/settings Gerrit-MessageType: comment Gerrit-Change-Id: I1e794622baf66c75cbe583be03a7b9a4a7e4883d Gerrit-PatchSet: 3 Gerrit-Project: vdsm Gerrit-Branch: master Gerrit-Owner: Adam Litke <ali...@redhat.com> Gerrit-Reviewer: Adam Litke <ali...@redhat.com> Gerrit-Reviewer: Allon Mureinik <amure...@redhat.com> Gerrit-Reviewer: Dan Kenigsberg <dan...@redhat.com> Gerrit-Reviewer: Federico Simoncelli <fsimo...@redhat.com> Gerrit-Reviewer: Francesco Romani <from...@redhat.com> Gerrit-Reviewer: Greg Padgett <gpadg...@redhat.com> Gerrit-Reviewer: Nir Soffer <nsof...@redhat.com> Gerrit-Reviewer: automat...@ovirt.org Gerrit-Reviewer: oVirt Jenkins CI Server Gerrit-HasComments: Yes _______________________________________________ vdsm-patches mailing list vdsm-patches@lists.fedorahosted.org https://lists.fedorahosted.org/mailman/listinfo/vdsm-patches