[Bugs] [Bug 1209751] New: BitRot :- on restarting glusterd values for tunables are lost

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1209751

            Bug ID: 1209751
           Summary: BitRot :- on restarting glusterd values for tunables
                    are lost
           Product: GlusterFS
           Version: mainline
         Component: bitrot
          Severity: high
          Assignee: bugs at gluster.org
          Reporter: racpatel at redhat.com
                CC: bugs at gluster.org
      Docs Contact: bugs at gluster.org



Description of problem:
=======================
On restarting glusterd, values for BitRot tunables are reset to default.


Version-Release number of selected component (if applicable):
=============================================================
0.803.gitf64666f.el6.x86_64

How reproducible:
=================
always

Steps to Reproduce:
===================
1. create and mount volume.
2. enable bitrot
3. create few files.
4. change tunables.
[root at rhs-client37 rac2]# gluster volume bitrot rac1 scrub-throttle  frozen
volume bitrot: success
[root at rhs-client37 rac2]# gluster volume bitrot rac1 scrub-frequency daily
volume bitrot: success
[root at rhs-client37 rac2]# gluster v info rac1

Volume Name: rac1
Type: Distribute
Volume ID: 7e82fbfa-1877-4eb3-9c26-d821950dc9ee
Status: Started
Number of Bricks: 3
Transport-type: tcp
Bricks:
Brick1: rhs-client44:/pavanbrick6/r1
Brick2: rhs-client38:/pavanbrick6/r1
Brick3: rhs-client37:/pavanbrick6/r1
Options Reconfigured:
features.scrub-freq: daily
features.scrub-throttle: frozen
features.bitrot: on

5. restart glusterd on one of the server and check volume info
[root at rhs-client37 rac2]# service glusterd restart
Starting glusterd:                               [  OK  ]
[root at rhs-client37 rac2]# gluster v info rac1

Volume Name: rac1
Type: Distribute
Volume ID: 7e82fbfa-1877-4eb3-9c26-d821950dc9ee
Status: Started
Number of Bricks: 3
Transport-type: tcp
Bricks:
Brick1: rhs-client44:/pavanbrick6/r1
Brick2: rhs-client38:/pavanbrick6/r1
Brick3: rhs-client37:/pavanbrick6/r1
Options Reconfigured:
features.bitrot: on

6. check vol info on other servers

[root at rhs-client38 ~]# gluster v info rac1

Volume Name: rac1
Type: Distribute
Volume ID: 7e82fbfa-1877-4eb3-9c26-d821950dc9ee
Status: Started
Number of Bricks: 3
Transport-type: tcp
Bricks:
Brick1: rhs-client44:/pavanbrick6/r1
Brick2: rhs-client38:/pavanbrick6/r1
Brick3: rhs-client37:/pavanbrick6/r1
Options Reconfigured:
features.scrub-freq: daily
features.scrub-throttle: frozen
features.scrub: pause
features.bitrot: on


Actual Result:-
===============
values for tunables are reset to default on glusterd restart

Expect Result:-
===============
Bitrot configuration should remain same even after restart of glusterd/node

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