[Ocfs2-users] Private Interconnect and self fencing

[Jeffery P. Humes]

I have set it to 30 seconds, and the same thing still happens.

(15,1):o2hb_write_timeout:164 ERROR: Heartbeat write timeout to device 
etherd/e0.1p1 after 30000 milli
seconds
panic+0x3e/0x174    (15,1):o2hb_stop_all_regions:1789 ERROR: stopping 
heartbeat on all active regions.
Kernel panic - not syncing: ocfs2 is very sorry to be fencing this 
system by panicing

 [<c01233de>]  [<f8cc826a>] o2quo_disk_timeout+0x0/0x2 [ocfs2_nodemanager]
 [<c01313f8>] run_workqueue+0x7f/0xba     [<f8cc6b15>] 
o2hb_write_timeout+0x0/0x65 [ocfs2_nodemanager]
 [<c0131be5>] worker_thread+0x0/0x117     [<c0131ccb>] 
worker_thread+0xe6/0x117
 [<c011daa9>] default_wake_function+0x0/0xc     [<c01344fd>] 
kthread+0x9d/0xc9
 [<c0134460>] kthread+0x0/0xc9     [<c0102005>] kernel_thread_helper+0x5/0xb

-JPH


Sunil Mushran wrote:
> The 12 sec default is low. Bump it up to 30 secs or even higher. FAQ 
> has the details.
> The higher you set it to, the longer the brown-out time.
>
> Jeffery P. Humes wrote:
>> I have an OCFS2 filesystem on a coraid AOE device.
>> It mounts fine, but with heavy I/O the server self fences claiming a 
>> write timeout:
>>
>> (16,2):o2hb_write_timeout:164 ERROR: Heartbeat write timeout to 
>> device etherd/e0.1p1 after 12000 milliseconds
>> (16,2):o2hb_stop_all_regions:1789 ERROR: stopping heartbeat on all 
>> active regions.
>> Kernel panic - not syncing: ocfs2 is very sorry to be fencing this 
>> system by panicing
>>
>> It is my understanding that OCFS is expecting that the only heartbeat 
>> available to be on disk the same disk that I am writing to?
>>
>> Is there any way like with other clustering setups to setup a 
>> different or even multiple heartbeats?  On a crossover between 
>> servers, or on a private interface?
>> Seems like putting it only on the disk, that may have heavy IO is 
>> going to cause problems.
>>
>> Any advice on setting up the heartbeats would be greatly appreciated.
>>
>> Thanks,
>>
>> -JPH
>>
>>
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