Re: What is pauserd and pausewr status?

[Stéphane Klein <contact@xxxxxxxxxxxxxxxxxxx>]

2016-12-22 18:09 GMT+01:00 Wido den Hollander <wido@xxxxxxxx>:

> Op 22 december 2016 om 17:55 schreef Stéphane Klein <contact@xxxxxxxxxxxxxxxxxxx>:
>
>
> Hi,
>
> I have this status:
>
> bash-4.2# ceph status
>     cluster 7ecb6ebd-2e7a-44c3-bf0d-ff8d193e03ac
>      health HEALTH_WARN
>             pauserd,pausewr,sortbitwise,require_jewel_osds flag(s) set
>      monmap e1: 3 mons at {ceph-mon-1=
> 172.28.128.2:6789/0,ceph-mon-2=172.28.128.3:6789/0,ceph-mon-3=172.28.128.4:6789/0
> }
>             election epoch 12, quorum 0,1,2 ceph-mon-1,ceph-mon-2,ceph-mon-3
>      osdmap e49: 4 osds: 4 up, 4 in
>             flags pauserd,pausewr,sortbitwise,require_jewel_osds
>       pgmap v263: 64 pgs, 1 pools, 77443 kB data, 35 objects
>             281 MB used, 1978 GB / 1979 GB avail
>                   64 active+clean
>
> where can I found document about:
>
> * pauserd ?
> * pausewr ?
>

pauserd: Pause reads
pauserw: Pause writes

When you set the 'pause' flag it sets both pauserd and pauserw.

When these flags are set all I/O (RD and/or RW) is blocked to clients.

Thanks.

More information here: http://lists.ceph.com/pipermail/ceph-users-ceph.com/2016-December/015281.html

But, I found nothing about Pause in documentation. Why my Ceph Cluster have switched to pause?

Best regards,

Stéphane

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