[Sheepdog] [PATCH] sheep: remove cdrv_handlers and check_join_cb

[MORITA Kazutaka]

On Thu, Apr 26, 2012 at 6:18 PM, Huxinwei <huxinwei at huawei.com> wrote:
>> -----Original Message-----
>> From: Liu Yuan [mailto:namei.unix at gmail.com]
>> Sent: Thursday, April 26, 2012 12:06 AM
>> To: Huxinwei
>> Cc: Christoph Hellwig; sheepdog at lists.wpkg.org
>> Subject: Re: [Sheepdog] [PATCH] sheep: remove cdrv_handlers and
>> check_join_cb
>>
>> On 04/25/2012 05:39 PM, Huxinwei wrote:
>> > What's the specific problem you had ?
>> > There're several times I found that sheep fails to elect a master.
>> > It turns out to be the first nodes failed before it unblocks other joining
>> messages.
>> > When it happened, you have to restart all sheeps to recover.
>>
>> I don't think this would happen for corosync. There is a tested mechanism to
>> transfer mastership
>> for this very case.
> But it does happen.. :P

I guess there is a bug; if the master node crashes before sending a
join response,
the next master need to send the join response instead of the previous master
to unblock the cevent queue.

Thanks,

Kazutaka