Re: What is pauserd and pausewr status?

[Henrik Korkuc <lists@xxxxxxxxx>]

On 16-12-23 12:43, Stéphane Klein wrote:

2016-12-23 11:35 GMT+01:00 Wido den Hollander <wido@xxxxxxxx>:

> Op 23 december 2016 om 10:31 schreef 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>:
> > >
> > >
> > > 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.
>
> 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?
>

Somebody has set the flag. That doesn't happen automatically.

It is a test cluster in Vagrant, there are only one admin: me :)

 

A admin typed the command to set that flag.

I didn't do that, I don't understand.

 

did you run "ceph osd pause" by any chance?

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