Re: removing a ceph fs

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If you look at the "ceph --help" output you'll find some commands for removing MDSes from the system.
-Greg
On Wed, Apr 22, 2015 at 6:46 AM Kenneth Waegeman <kenneth.waegeman@xxxxxxxx> wrote:
forgot to mention I'm running 0.94.1

On 04/22/2015 03:02 PM, Kenneth Waegeman wrote:
> Hi,
>
> I tried to recreate a ceph fs ( well actually an underlying pool, but
> for that I need to first remove the fs) , but this seems not that easy
> to achieve.
>
> When I run
> `ceph fs rm ceph_fs`
> I get:
> `Error EINVAL: all MDS daemons must be inactive before removing filesystem`
>
> I stopped the 3 MDSs, but this doesn't change anything, as ceph health
> still "thinks" there is an mds running laggy:
>
>   health HEALTH_WARN
>              mds cluster is degraded
>              mds mds03 is laggy
>       monmap e1: 3 mons at ...
>              election epoch 12, quorum 0,1,2 mds01,mds02,mds03
>       mdsmap e12: 1/1/1 up {0=mds03=up:replay(laggy or crashed)}
>
> I checked the mds processes are gone..
>
> Someone knows a solution for this?
>
> Thanks!
> Kenneth
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