From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mykola Golub <to.my.trociny-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: Error in ceph rbd
 mirroring(rbd::mirror::InstanceWatcher: C_NotifyInstanceRequestfinish:
 resending after timeout)
Date: Fri, 26 Jul 2019 16:25:46 +0300
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To: Ajitha Robert <ajitharobert01-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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On Fri, Jul 26, 2019 at 04:40:35PM +0530, Ajitha Robert wrote:
> Thank you for the clarification.
> 
> But i was trying with openstack-cinder.. when i load some data into the
> volume around 50gb, the image sync will stop by 5 % or something within
> 15%...  What could be the reason?

I suppose you see image sync stop in mirror status output? Could you
please provide an example? And I suppose you don't see any other
messages in rbd-mirror log apart from what you have already posted?
Depending on configuration rbd-mirror might log in several logs. Could
you please try to find all its logs? `lsof |grep 'rbd-mirror.*log'`
may be useful for this.

BTW, what rbd-mirror version are you running?

-- 
Mykola Golub