Re: [Gluster-devel] Brick is Offline

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On Fri, Apr 1, 2016 at 3:39 PM, Atin Mukherjee <amukherj@xxxxxxxxxx> wrote:


On 04/01/2016 03:06 PM, ABHISHEK PALIWAL wrote:
>
> On Fri, Apr 1, 2016 at 2:59 PM, Atin Mukherjee <amukherj@xxxxxxxxxx
> <mailto:amukherj@xxxxxxxxxx>> wrote:
>
>
>
>     On 04/01/2016 02:55 PM, ABHISHEK PALIWAL wrote:
>     > Hi Atin,
>     >
>     > Thanks for reply.
>     >
>     > Could you please help me to identify the error log in the respective
>     > brick log file. I tried but not able to identified where the problem is
>     > occuring.
>     >
>     > I am attaching the brick log file which is not coming online even after
>     > waiting for 1 minute.
>     What time did you reboot B? Could you also attach glusterd log file
>     (complete log) for board B?
>     >
>
> it is hard to say at what time we rebooted the B board because we are
> continuously rebooting the board B.
>
> Here I am attaching the glusterd and glsuterfs log for board B.
I can see the last restart of glusterd was at 13:11:27 and as per the
brick log there was no restart. This doesn't look like a reboot of the
board as in that case brick process should have also died and restarted.
Brick log indicates that the process is still running and there is no
interruption.
In brick log file at 13:11:27 we have the logs showing reboot of board

[2016-03-31 13:11:27.408512] I [MSGID: 115036] [server.c:552:server_rpc_notify] 0-c_glusterfs-server: disconnecting connection from 002500-10939-2016/03/31-11:56:52:528771-c_glusterfs-client-11-0-0
[2016-03-31 13:11:27.408603] I [MSGID: 101055] [client_t.c:419:gf_client_unref] 0-c_glusterfs-server: Shutting down connection 002500-10939-2016/03/31-11:56:52:528771-c_glusterfs-client-11-0-0
>
>     > Regards,
>     > Abhishek
>     >
>     > On Fri, Apr 1, 2016 at 1:04 PM, Atin Mukherjee <amukherj@xxxxxxxxxx <mailto:amukherj@xxxxxxxxxx>
>     > <mailto:amukherj@xxxxxxxxxx <mailto:amukherj@xxxxxxxxxx>>> wrote:
>     >
>     >
>     >
>     >     On 04/01/2016 12:10 PM, ABHISHEK PALIWAL wrote:
>     >     > Hi,
>     >     >
>     >     >
>     >     > I have the setup of two boards A and B with two bricks in
>     replica mode.
>     >     >
>     >     > There is one test scenario
>     >     >
>     >     > 1. A acts as an active board and having the glusterfs mount
>     point on it.
>     >     > 2. B acts as Passive board.
>     >     > 3. We are repetitively rebooting the B board (In this time
>     period peer
>     >     > status on A board will be "peer in cluster (Disconnected)"
>     and brick is
>     >     > not present in "gluster volume status") and when Board B
>     comes up,
>     >     > starts the gluster daemon.
>     >     > 4. if Gluster daemon starts successfully it will make "peer in
>     >     > cluster(Connected)"
>     >     > 5. At the same with the immediate effect "gluster volume
>     status" command
>     >     > should show the brick is available in online.
>     >     >
>     >     >
>     >     > But in my case sometime step 5 takes immediate reflection
>     sometime 10-15
>     >     > second and sometime doesn't show brick is online even after
>     the 1minute.
>     >     >
>     >     > Could you please confirm why this type of unpredictable
>     behavior is
>     >     > occuring. It should be reflect with immediate effect in
>     "gluster volume
>     >     > status" command.
>     >     When glusterd restarts bricks processes are brought up
>     asynchronously
>     >     and hence you may not see the brick processes reflecting in
>     gluster
>     >     volume status output immediately after restart. 5-10 seconds is an
>     >     accepted time frame. However if it doesn't come back online
>     post that
>     >     then probably brick fails to start in that case.
>     >
>     >     Please check the respective brick log file and if you can find
>     any error
>     >     logs in it.
>     >     >
>     >     >
>     >     > --
>     >     > Regards
>     >     > Abhishek Paliwal
>     >     >
>     >     >
>     >     > _______________________________________________
>     >     > Gluster-devel mailing list
>     >     > Gluster-devel@xxxxxxxxxxx <mailto:Gluster-devel@xxxxxxxxxxx>
>     <mailto:Gluster-devel@xxxxxxxxxxx <mailto:Gluster-devel@xxxxxxxxxxx>>
>     >     > http://www.gluster.org/mailman/listinfo/gluster-devel
>     >     >
>     >
>     >
>     >
>     >
>     > --
>     >
>     >
>     >
>     >
>     > Regards
>     > Abhishek Paliwal
>
>



--




Regards
Abhishek Paliwal
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