Change in vdsm[master]: Live Merge: Return more info from _driveGetActualVolumeChain
alitke at redhat.com
alitke at redhat.com
Thu Aug 21 13:30:38 UTC 2014
Adam Litke has posted comments on this change.
Change subject: Live Merge: Return more info from _driveGetActualVolumeChain
......................................................................
Patch Set 4:
(1 comment)
http://gerrit.ovirt.org/#/c/31364/4//COMMIT_MSG
Commit Message:
Line 9: In followup patches, we want to return more information about each path
Line 10: component from _driveGetActualVolumeChain. We need the actual path as
Line 11: given in the domain XML in order to properly update our metadata after
Line 12: an active layer merge. We also want to use this function to return high
Line 13: write watermark information for block volumes. This patch just converts
> Why not add a way to start/stop monitoring a drive, so we can start monitor
That is another way to do it. I chose this approach because it seemed like an easier way to batch calls together in order to reduce calls to libvirt. I am open to optimizing performance of this code in the future and have already discussed some ideas with @fromani. Your suggestion would probably be an improvement once we have a centralized monitor that routinely fetches the domain XML and fires a list of handlers each time the xml is updated. We don't have that yet though.
Line 14: the format returned by _driveGetActualVolumeChain from a simple list to
Line 15: a list of named tuples.
Line 16:
Line 17: Change-Id: I01d142a68903048accc95eb04d9930c326965db0
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Gerrit-MessageType: comment
Gerrit-Change-Id: I01d142a68903048accc95eb04d9930c326965db0
Gerrit-PatchSet: 4
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Adam Litke <alitke at redhat.com>
Gerrit-Reviewer: Adam Litke <alitke at redhat.com>
Gerrit-Reviewer: Dan Kenigsberg <danken at redhat.com>
Gerrit-Reviewer: Federico Simoncelli <fsimonce 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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