Created attachment 814975 [details]
engine logs

Description of problem:
-----------------------
After starting remove-brick on a volume, on clicking on Status button in the remove-brick drop-down menu in the Activities column, the status dialog does not show up.

The following error is seen in the engine logs -

2013-10-22 11:31:09,844 ERROR [org.ovirt.engine.core.bll.gluster.GetGlusterVolumeRemoveBricksStatusQuery] (ajp-/127.0.0.1:8702-6) Query GetGlusterVolumeRemoveBricksStatusQuery failed. Exception message is VdcBLLException: Command execution failed
error: Usage: volume remove-brick <VOLNAME> [replica <COUNT>] <BRICK> ... {start|stop|status|commit|force}
return code: 1 (Failed with error GlusterCmdExecFailedException and code 4105)

The volume is a 3x2 distributed-replicate volume, on which rebalance and remove-brick has been run multiple times.

Version-Release number of selected component (if applicable):
Red Hat Storage Console Version: 2.1.2-0.0.scratch.beta1.el6_4 

How reproducible:
Intermittent

Steps to Reproduce:
1. Start remove-brick on distributed-replicate volume.
2. Click on Status button in the remove-brick menu in the Activities column.

Actual results:
Status dialog does not show up.

Expected results:
Status dialog should be displayed.

Additional info: