[Bugs] [Bug 1214387] New: Incorrect vol info post detach on disperse volume

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1214387

            Bug ID: 1214387
           Summary: Incorrect vol info post detach on disperse volume
           Product: GlusterFS
           Version: mainline
         Component: tiering
          Assignee: bugs at gluster.org
          Reporter: annair at redhat.com
        QA Contact: bugs at gluster.org
                CC: bugs at gluster.org



Description of problem:
Detach tier from a disperse  volume (cold) is giving messing up the disperse
vol info

Version-Release number of selected component (if applicable):
glusterfs-server-3.7dev-0.994.git0d36d4f.el6.x86_64

How reproducible:


Steps to Reproduce:
1. Create a simple disperse volume [ 1 x (4+2)]
2. Attach a tier (replica) to the volume
3. Now, detach the tier. 
4. This is what the vol info shows post the detach:
[root at dhcp35-56 ~]# gluster vol info

Volume Name: vol2
Type: Distributed-Disperse
Volume ID: b267ba15-82df-4842-bd41-ac233592d5ba
Status: Created
Number of Bricks: 3 x (4 + 2) = 6
Transport-type: tcp
Bricks:
Brick1: 10.70.35.56:/rhs/brick1
Brick2: 10.70.35.67:/rhs/brick1
Brick3: 10.70.35.56:/rhs/brick2
Brick4: 10.70.35.67:/rhs/brick2
Brick5: 10.70.35.56:/rhs/brick3
Brick6: 10.70.35.67:/rhs/brick3

The volume now is shown up as "Distributed-Disperse" and the distribute count
is for some reason 3.

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