[Bugs] [Bug 1499509] Brick Multiplexing: Gluster volume start force complains with command "Error : Request timed out" when there are multiple volumes

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1499509



--- Comment #6 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: https://review.gluster.org/18444 committed in master by Atin Mukherjee
(amukherj at redhat.com) 
------
commit 9422446d72bc054962d72ace9912ecb885946d49
Author: Sanju Rakonde <srakonde at redhat.com>
Date:   Sat Oct 7 03:33:40 2017 +0530

    glusterd:Marking all the brick status as stopped when a process goes down
in brick multiplexing

    In brick multiplexing environment, if a brick process goes down
    i.e., if we kill it with SIGKILL, the status of the brick for which
    the process came up for the first time is only changing to stopped.
    all other brick statuses are remain started. This is happening because
    the process was killed abruptly using SIGKILL signal and signal
    handler wasn't invoked and further cleanup wasn't triggered.

    When we try to start a volume using force, it shows error saying
    "Request timed out", since all the brickinfo->status are still in
    started state, we're waiting for one of the brick process to come up
    which never going to happen since the brick process was killed.

    To resolve this, In the disconnect event, We are checking all the
    processes that whether the brick which got disconnected belongs the
    process. Once we get the process we are calling a function named
    glusterd_mark_bricks_stopped_by_proc() and sending brick_proc_t object as
    an argument.

    From the glusterd_brick_proc_t we can get all the bricks attached
    to that process. but these are duplicated ones. To get the original
    brickinfo we are reading volinfo from brick. In volinfo we will have
    original brickinfo copies. We are changing brickinfo->status to
    stopped for all the bricks.

    Change-Id: Ifb9054b3ee081ef56b39b2903ae686984fe827e7
    BUG: 1499509
    Signed-off-by: Sanju Rakonde <srakonde at redhat.com>

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