Created attachment 803893 [details]
screenshot

Description of problem:
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On selecting a brick of a volume, for which remove-brick operation is not running, the Stop menu item in the Remove brick menu is click-able. On clicking it shows an error pop-up which says that remove brick cannot be stopped as it is not started.

Version-Release number of selected component (if applicable):
Red Hat Storage Console Version: 2.1.1-0.0.1.master.el6ev 

How reproducible:
Always

Steps to Reproduce:
1. Create a volume and start it.
2. Navigate to the Bricks tab for the volume and select a brick.
3. Click on Remove -> Stop
4. In the confirmation dialog that appears, say yes.

Actual results:
An error pop-up which says that remove brick cannot be stopped as it is not started.

Expected results:
Remove -> Stop needs to be disabled if remove-brick is not running on a volume.

Additional info:
Screenshot attached.