[Bugs] [Bug 1229257] New: Incorrect vol info post detach on disperse volume

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1229257

            Bug ID: 1229257
           Summary: Incorrect vol info post detach on disperse volume
           Product: Red Hat Gluster Storage
           Version: 3.1
         Component: glusterfs
     Sub Component: tiering
          Severity: medium
          Priority: urgent
          Assignee: rhs-bugs at redhat.com
          Reporter: nchilaka at redhat.com
        QA Contact: nchilaka at redhat.com
                CC: annair at redhat.com, bugs at gluster.org,
                    dlambrig at redhat.com, josferna at redhat.com,
                    nchilaka at redhat.com, rkavunga at redhat.com
        Depends On: 1214387



+++ This bug was initially created as a clone of Bug #1214387 +++

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.

--- Additional comment from Dan Lambright on 2015-04-22 13:13:39 EDT ---

I believe this was called out and fixed in a separate bug. Assigning to Rafi to
see..

--- Additional comment from Mohammed Rafi KC on 2015-04-23 01:25:51 EDT ---

upstream patch : http://review.gluster.org/#/c/10339/

--- Additional comment from Niels de Vos on 2015-05-15 09:07:25 EDT ---

This change should not be in "ON_QA", the patch posted for this bug is only
available in the master branch and not in a release yet. Moving back to
MODIFIED until there is an beta release for the next GlusterFS version.


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1214387
[Bug 1214387] Incorrect vol info post detach on disperse volume
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