Re: mds0: Client X failing to respond to capability release

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Hi,

Am 03.02.2016 um 15:55 schrieb Yan, Zheng:
>> On Feb 3, 2016, at 21:50, Michael Metz-Martini | SpeedPartner GmbH <metz@xxxxxxxxxxxxxxx> wrote:
>> Am 03.02.2016 um 12:11 schrieb Yan, Zheng:
>>>> On Feb 3, 2016, at 17:39, Michael Metz-Martini | SpeedPartner GmbH <metz@xxxxxxxxxxxxxxx> wrote:
>>>> Am 03.02.2016 um 10:26 schrieb Gregory Farnum:
>>>>> On Tue, Feb 2, 2016 at 10:09 PM, Michael Metz-Martini | SpeedPartner
>> 2016-02-03 14:42:25.581840 7fadfd280700  0 log_channel(default) log
>> [WRN] : 7 slow requests, 6 included below; oldest blocked for >
>> 62.125785 secs
>> 2016-02-03 14:42:25.581849 7fadfd280700  0 log_channel(default) log
>> [WRN] : slow request 62.125785 seconds old, received at 2016-02-03
>> 14:41:23.455812: client_request(client.10199855:1313157 getattr
>> pAsLsXsFs #100815bd349 2016-02-03 14:41:23.452386) currently failed to
>> rdlock, waiting
> 
> This seems like dirty page writeback is too slow.  Is there any hung OSD request in /sys/kernel/debug/ceph/xxx/osdc?
Where should I check? Client or mds? Do I have to enable something to
get this details? Directory /sys/kernel/debug/ceph/ seems to be missing.


-- 
Kind regards
 Michael Metz-Martini
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