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

[Steven Dake]

On 07/25/2011 06:48 AM, carlopmart wrote:
> On 07/25/2011 03:44 PM, Steven Dake wrote:
>> 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
>>
> 
> Thanks Steve, then, Can I use last corosync version provided with
> RHEL6.1 and last RHEL6.0's kernel version without problems??
> 
> 
> 

I recommend not mixing without a support signoff.

Regards
-steve