Re: Is it possible to change the MDS node after its been created

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Gregory Farnum wrote:

>> Sorry to enter in this post but how can we *remove* a mds daemon of a
>> ceph cluster?
>>
>> Are the commands below enough?
>>
>>     stop the daemon
>>     rm -r /var/lib/ceph/mds/ceph-$id/
>>     ceph auth del mds.$id
>>
>> Should we edit something in the mds map to remove once and for
>> all the mds ?
> 
> As long as you turn on another MDS which takes over the logical rank
> of the MDS you remove, you don't need to remove anything from the
> cluster store.

Ok, and for just remove a mds I guess that commands above are enough. ;)

> Note that if you just copy the directory and keyring to the new
> location you shouldn't do the "ceph auth del" bit either. ;)

Yes, it seems logical. Thank you Greg. :)

-- 
François Lafont
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