[Bugs] [Bug 1261741] New: Tier: glusterd crash when trying to detach , when hot tier is having exactly one brick and cold tier is of replica type

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1261741

            Bug ID: 1261741
           Summary: Tier: glusterd crash when trying to detach , when hot
                    tier is having exactly one brick and cold tier is of
                    replica type
           Product: GlusterFS
           Version: mainline
         Component: tiering
          Assignee: bugs at gluster.org
          Reporter: rkavunga at redhat.com
        QA Contact: bugs at gluster.org
                CC: bugs at gluster.org



Description of problem:
glusterd crash when trying to detach , when hot tier is having exactly one
brick and cold tier with two bricks. This because of wrong calculation of
subvols.


Version-Release number of selected component (if applicable):

mainline

How reproducible:

100%

Steps to Reproduce:
1.create a replica 2 volume with two bricks
2.attach a tier with one brick
3.detach the tier

Actual results:

crash

Expected results:

detach should success.

Additional info:

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