+1 to this, it would be useful

On Tue, Oct 18, 2016 at 8:31 AM, Wido den Hollander <w...@42on.com> wrote:
>
>> Op 18 oktober 2016 om 14:06 schreef Dan van der Ster <d...@vanderster.com>:
>>
>>
>> +1 I would find this warning useful.
>>
>
> +1 Probably make it configurable, say, you want at least X standby MDS to be 
> available before WARN. But in general, yes, please!
>
> Wido
>
>>
>>
>> On Tue, Oct 18, 2016 at 1:46 PM, John Spray <jsp...@redhat.com> wrote:
>> > Hi all,
>> >
>> > Someone asked me today how to get a list of down MDS daemons, and I
>> > explained that currently the MDS simply forgets about any standby that
>> > stops sending beacons.  That got me thinking about the case where a
>> > standby dies while the active MDS remains up -- the cluster has gone
>> > into a non-highly-available state, but we are not giving the admin any
>> > indication.
>> >
>> > I've suggested a solution here:
>> > http://tracker.ceph.com/issues/17604
>> >
>> > This is probably going to be a bit of a subjective thing in terms of
>> > whether people find it useful or find it to be annoying noise, so I'd
>> > be interested in feedback from people currently running cephfs.
>> >
>> > Cheers,
>> > John
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