like, if rebalance is happening on a volume, we should not allow 'volume stop' to proceed. User should be informed of these operations being in progress. 'stop' should be allowed if 'force' option is given along with it.
*** Bug 3638 has been marked as a duplicate of this bug. ***
patch reviewed and committed from on http://review.gluster.com/518
This is reproducible on 3.2.5.qa1 so reopening the bug.
not planing to fix it in 3.2.x branch for now.