[Linux-cluster] Corosync goes cpu to 95-99%

[Steven Dake]

On 07/25/2011 05:38 AM, carlopmart wrote:
> On 06/24/2011 06:06 PM, Nicolas Ross wrote:
>>
>>> Thanks for that, that'll prevent me from modifying a system file...
>>>
>>> And yes, I find it a little disapointing. We're now at 6.1, and our
>>> setup is exactly what RHCS was designed for... A GFS over fiber, httpd
>>> running content from that gfs...
>>
>> Two thing I need to mention in this issue. One, support doesn't think
>> anymore that it's a coro-sync specific issue, they are searching to a
>> driver issue or other source for this problem.
>>
>> Second, I downgraded my kernel to 2.6.32-71.29.1.el6 (pre-6.1, or 6.0),
>> for another issue, and since I did, I don't think I saw that issue
>> again. I saw spikes in my cpu graphs, but I'm not 100% sure that they
>> are caused by this issue.
>>
>> So, as a temporary work-around for this time, woule be (at your own
>> risks) to downgrade to 2.6.32-71.29.1.el6 kernel :
>>
>> yum install kernel-2.6.32-71.29.1.el6.x86_64
>>
>> Regards,
> 
> Hi Steven and Nicolas,
> 
>  Is this bug resolved in RHEL6.1 with all updates applied?? Do I need to
> use some specific kernel version 2.6.32-131.2.1 or 2.6.32-131.6.1?
> 
> Thanks.
> 

the corosync portion is going through QE.  The kernel portion remains open.

Regards
-steve