[Gluster-users] CentOS Freeze with GlusterFS Error

[chamara samarakoon]

HI Deepak,


Yes, it is  Openstack controller and SAN is configured for redundancy
through multi-path.

Regards,
Chamara


On Tue, Jan 20, 2015 at 11:55 AM, Deepak Shetty <dpkshetty at gmail.com> wrote:

> What does "Controller" mean, the openstack controller node or somethign
> else (like HBA ) ?
> You picture says its SAN but the text says multi-path mount.. SAN would
> mean block devices, so I am assuming you have redundant block devices on
> the compute host, mkfs'ing it and then creating bricks for gluster ?
>
>
> The stack trace looks like you hit a kernel bug and glusterfsd happens to
> be running on the CPU at the time... my 2 cents
>
> thanx,
> deepak
>
> On Tue, Jan 20, 2015 at 11:29 AM, chamara samarakoon <chthsa123 at gmail.com>
> wrote:
>
>> Hi All,
>>
>>
>> We have setup Openstack cloud as below. And the "/va/lib/nova/instances"
>> is a Gluster volume.
>>
>> CentOS - 6.5
>> Kernel -  2.6.32-431.29.2.el6.x86_64
>> GlusterFS - glusterfs 3.5.2 built on Jul 31 2014 18:47:54
>> OpenStack - RDO using Packstack
>>
>>
>>
>>
>> ​
>>
>>
>> Recently Controller node freezes with following error (Which required
>> hard reboot), as a result Gluster volumes on compute node can not reach the
>> controller and due to that all the instances on compute nodes  become to
>> read-only status  which causes to restart all instances.
>>
>>
>>
>>
>> *BUG: scheduling while atomic : glusterfsd/42725/0xffffffff*
>> *BUG: unable to handle kernel paging request at 0000000038a60d0a8*
>> *IP: [<fffffffff81058e5d>] task_rq_lock+0x4d/0xa0*
>> *PGD 1065525067 PUD 0*
>> *Oops: 0000 [#1] SMP*
>> *last sysfs file :
>> /sys/device/pci0000:80/0000:80:02.0/0000:86:00.0/host2/port-2:0/end_device-2:0/target2:0:0/2:0:0:1/state*
>> *CPU 0*
>> *Modules linked in : xtconntrack iptable_filter ip_tables ipt_REDIRECT
>> fuse ipv openvswitch vxlan iptable_mangle *
>>
>> Please advice on above incident , also feedback on the Openstack +
>> GlusterFS setup is appreciated.
>>
>> Thank You,
>> Chamara
>>
>>
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>> Gluster-users at gluster.org
>> http://www.gluster.org/mailman/listinfo/gluster-users
>>
>
>


-- 
chthsa
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