[Bugs] [Bug 1486063] 0 kByte file not self-healing with replica 2 + arbiter

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1486063

Ravishankar N <ravishankar at redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED



--- Comment #1 from Ravishankar N <ravishankar at redhat.com> ---
> Steps to Reproduce:
> 1. Ask Ravi

1. Create  a zero-byte file (`touch file`) on  an arbiter volume via fuse
mount.
2. Attach gdb to mount process, put break points before winding pre-op and
write.
3. echo "hello" >>file
4. after pre-op is stack_wound on all bricks, `pkill gluster && pkill gdb`
5. Now we have the dirty bit set (and no pending bits) for the file on all
bricks and an entry inside .glusterfs/indices/dirty.
6. restart all gluster processes.
7. `heal info` will show the entry as needing heal.
8. Heal won't complete because data self-heal algo picks up the brick with
latest ctime as source. In this case arbiter is likely the source because the
pre-op in step-4 happened last on the arbiter.

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