[Ocfs2-devel] ocfs2: o2hb: not fence self if storage down

[Junxiao Bi]

Hi Gang,

On 01/20/2016 02:00 PM, Gang He wrote:
> Hi Junxiao,
> 
> Thank for your fix.
> Just one quick question, this fix only effects OCFS2 O2CB case, right?
Right.
> If the user selects pacemaker as cluster stack? OCFS2 file system will encounter the same problem?
Not sure about this, i have no knowledge about packmaker. You can run a
quick test on the setup.

Thanks,
Junxiao.
> 
> Thanks
> Gang 
> 
> 
>>>>
>> Hi,
>>
>> This serial of patches is to fix the issue that when storage down,
>> all nodes will fence self due to write timeout.
>> With this patch set, all nodes will keep going until storage back
>> online, except if the following issue happens, then all nodes will
>> do as before to fence self.
>> 1. io error got
>> 2. network between nodes down
>> 3. nodes panic
>>
>> Junxiao Bi (6):
>>       ocfs2: o2hb: add negotiate timer
>>       ocfs2: o2hb: add NEGO_TIMEOUT message
>>       ocfs2: o2hb: add NEGOTIATE_APPROVE message
>>       ocfs2: o2hb: add some user/debug log
>>       ocfs2: o2hb: don't negotiate if last hb fail
>>       ocfs2: o2hb: fix hb hung time
>>
>>  fs/ocfs2/cluster/heartbeat.c |  181 
>> ++++++++++++++++++++++++++++++++++++++++--
>>  1 file changed, 175 insertions(+), 6 deletions(-)
>>
>>  Thanks,
>>  Junxiao.
>>
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>