Bug 1109925 - Live Merge: Expose capability in getVdsCaps API
Summary: Live Merge: Expose capability in getVdsCaps API
Alias: None
Product: oVirt
Classification: Retired
Component: vdsm
Version: 3.5
Hardware: Unspecified
OS: Unspecified
Target Milestone: ---
: 3.5.0
Assignee: Adam Litke
QA Contact: Kevin Alon Goldblatt
Whiteboard: storage
Depends On:
Blocks: 1124099
TreeView+ depends on / blocked
Reported: 2014-06-16 15:53 UTC by Adam Litke
Modified: 2016-02-10 16:51 UTC (History)
12 users (show)

Fixed In Version: ovirt-engine-3.5.0_beta1
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2014-10-17 12:31:20 UTC
oVirt Team: Storage

Attachments (Terms of Use)

System ID Priority Status Summary Last Updated
oVirt gerrit 28998 None None None Never

Description Adam Litke 2014-06-16 15:53:28 UTC
oVirt engine would like to know whether the Live Merge feature is supported by a particular host so that it can decide whether to offer the option to users in the GUI.  Add a capability flag to the getVdsCaps API which, when present, will communicate the presence of the feature.

Comment 1 Adam Litke 2014-06-16 18:18:56 UTC
implementation in progress

Comment 2 Allon Mureinik 2014-07-17 06:53:45 UTC
Adam, can this be moved to ON_QA, or are we waiting for a corresponding engine patch?

Comment 3 Adam Litke 2014-07-17 13:11:19 UTC
Still waiting on the patch from Greg to be merged on the engine side.

Comment 4 Allon Mureinik 2014-07-29 05:48:02 UTC
Since we're tracking the engine patch on bug 1124099, lets move forward with this to allow early engagement in the QA.

Adam - can you please add some info for the QA on how to test this using vdsClinet's getCaps?

Comment 5 Adam Litke 2014-07-29 12:52:04 UTC
Steps to verify this in vdsm:

1. On stock Fedora 20 system, install the vdsm you would like to test
2. On the host execute: vdsClient 0 getVdsCaps | grep liveMerge
3. Today on stock Fedora 20 you will see:
   liveMerge = 'false'
4. Download the following files into an empty directory on your vdsm host
5. Extract qemu+libvirt-gluster-block-jobs-v6.tar
6. Extract libvirt-python-fixed.tar (This file will overwrite a few rpms from the first tarball)
7. Install all extracted RPMs: yum upgrade *.rpm
8. Restart libvirt: service libvirtd restart
9. Restart vdsm: service vdsmd restart
10. vdsClient 0 getVdsCaps | grep liveMerge
11. Verify that you see:
    liveMerge = 'true'

Comment 6 Sandro Bonazzola 2014-10-17 12:31:20 UTC
oVirt 3.5 has been released and should include the fix for this issue.

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