[Bugs] [Bug 1574298] New: on glusterd initial process, brick started always a error with "EPOLLERR - disconnecting now"

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1574298

            Bug ID: 1574298
           Summary: on glusterd initial process, brick started always a
                    error with "EPOLLERR - disconnecting now"
           Product: GlusterFS
           Version: 3.12
         Component: glusterd
          Severity: urgent
          Assignee: bugs at gluster.org
          Reporter: george.lian at nokia.com
                CC: bugs at gluster.org



Description of problem:
on glusterd initial process, brick started always a error with "EPOLLERR -
disconnecting now", and this error will occasionaly lead to start 2 times of
glusterfsd, then will lead to glustershd can't work normal

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


How reproducible:

 setup a glusterfs with 4 volume with name "log","export","service","ccs"
replated with 2 SN,
then start the 4 volume, and stop the glusterd and all related process/services

Steps to Reproduce:
1. start glusterd services or run command "glusterd -p /somewhere/glusterd.pid"
2. check the log of "glusterd.log"

Actual results:
    Line 625: [2018-04-15 18:05:59.964454] I
[glusterd-utils.c:5928:glusterd_brick_start] 0-management: starting a fresh
brick process for brick /mnt/bricks/ccs/brick
    Line 629: [2018-04-15 18:06:00.117043] I
[glusterd-utils.c:5928:glusterd_brick_start] 0-management: starting a fresh
brick process for brick /mnt/bricks/export/brick
    Line 632: [2018-04-15 18:06:00.277399] I
[glusterd-utils.c:5928:glusterd_brick_start] 0-management: starting a fresh
brick process for brick /mnt/bricks/log/brick
    Line 635: [2018-04-15 18:06:00.379539] I
[glusterd-utils.c:5928:glusterd_brick_start] 0-management: starting a fresh
brick process for brick /mnt/bricks/mstate/brick
    Line 639: [2018-04-15 18:06:00.481778] I
[glusterd-utils.c:5928:glusterd_brick_start] 0-management: starting a fresh
brick process for brick /mnt/bricks/services/brick
              [2018-04-15 18:06:00.651825] I
[socket.c:2478:socket_event_handler] 0-transport: EPOLLERR - disconnecting now
    Line 647: [2018-04-15 18:06:00.652182] I [MSGID: 106005]
[glusterd-handler.c:6071:__glusterd_brick_rpc_notify] 0-management: Brick
sn-0.local:/mnt/bricks/export/brick has disconnected from glusterd.
              [2018-04-15 18:06:00.652545] I
[socket.c:2478:socket_event_handler] 0-transport: EPOLLERR - disconnecting now
    Line 649: [2018-04-15 18:06:00.652850] I [MSGID: 106005]
[glusterd-handler.c:6071:__glusterd_brick_rpc_notify] 0-management: Brick
sn-0.local:/mnt/bricks/log/brick has disconnected from glusterd.
              [2018-04-15 18:06:00.656017] I
[socket.c:2478:socket_event_handler] 0-transport: EPOLLERR - disconnecting now
    Line 658: [2018-04-15 18:06:00.763176] I [MSGID: 106005]
[glusterd-handler.c:6071:__glusterd_brick_rpc_notify] 0-management: Brick
sn-0.local:/mnt/bricks/mstate/brick has disconnected from glusterd.
    Line 660: [2018-04-15 18:06:00.763845] I [MSGID: 106005]
[glusterd-handler.c:6071:__glusterd_brick_rpc_notify] 0-management: Brick
sn-0.local:/mnt/bricks/services/brick has disconnected from glusterd.
    Line 661: [2018-04-15 18:06:00.764239] I
[glusterd-utils.c:5928:glusterd_brick_start] 0-management: starting a fresh
brick process for brick /mnt/bricks/log/brick
    Line 664: [2018-04-15 18:06:00.866569] I
[glusterd-utils.c:5928:glusterd_brick_start] 0-management: starting a fresh
brick process for brick /mnt/bricks/mstate/brick
              [2018-04-15 18:06:00.763558] I
[socket.c:2478:socket_event_handler] 0-transport: EPOLLERR - disconnecting now
    Line 670: [2018-04-15 18:06:00.980737] I [MSGID: 106005]
[glusterd-handler.c:6071:__glusterd_brick_rpc_notify] 0-management: Brick
sn-0.local:/mnt/bricks/log/brick has disconnected from glusterd.
              [2018-04-15 18:06:00.980434] I
[socket.c:2478:socket_event_handler] 0-transport: EPOLLERR - disconnecting now
    Line 677: [2018-04-15 18:06:01.088354] I [MSGID: 106005]
[glusterd-handler.c:6071:__glusterd_brick_rpc_notify] 0-management: Brick
sn-0.local:/mnt/bricks/mstate/brick has disconnected from glusterd.

Expected results:
there should not have "EPOLLERR - disconnecting now" message, and brick should
always disconnected from glusterd.

Additional info:

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