[Gluster-users] Glusterd proccess hangs on reboot

[Serkan Çoban]

I reboot multiple times, also I destroyed the gluster configuration
and recreate multiple times. The behavior is same.

On Tue, Aug 22, 2017 at 6:47 PM, Atin Mukherjee <amukherj at redhat.com> wrote:
> My guess is there is a corruption in vol list or peer list which has lead
> glusterd to get into a infinite loop of traversing a peer/volume list and
> CPU to hog up. Again this is a guess and I've not got a chance to take a
> detail look at the logs and the strace output.
>
> I believe if you get to reboot the node again the problem will disappear.
>
> On Tue, 22 Aug 2017 at 20:07, Serkan Çoban <cobanserkan at gmail.com> wrote:
>>
>> As an addition perf top shows %80 libc-2.12.so __strcmp_sse42 during
>> glusterd %100 cpu usage
>> Hope this helps...
>>
>> On Tue, Aug 22, 2017 at 2:41 PM, Serkan Çoban <cobanserkan at gmail.com>
>> wrote:
>> > Hi there,
>> >
>> > I have a strange problem.
>> > Gluster version in 3.10.5, I am testing new servers. Gluster
>> > configuration is 16+4 EC, I have three volumes, each have 1600 bricks.
>> > I can successfully create the cluster and volumes without any
>> > problems. I write data to cluster from 100 clients for 12 hours again
>> > no problem. But when I try to reboot a node, glusterd process hangs on
>> > %100 CPU usage and seems to do nothing, no brick processes come
>> > online. You can find strace of glusterd process for 1 minutes here:
>> >
>> > https://www.dropbox.com/s/c7bxfnbqxze1yus/gluster_strace.out?dl=0
>> >
>> > Here is the glusterd logs:
>> > https://www.dropbox.com/s/hkstb3mdeil9a5u/glusterd.log?dl=0
>> >
>> >
>> > By the way, reboot of one server completes without problem if I reboot
>> > the servers before creating any volumes.
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>
> --
> - Atin (atinm)