Removing OSDs in Mimic

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Hi all,

I have a Ceph cluster with ~ 70 OSDs of different sizes running on Mimic . I'm using ceph-deploy for managing the cluster size.

I have to remove some smaller drives and replace them with bigger drives. From your experience, are the removing an OSD guidelines from Mimic docs accurate ?  I know that there were some changes from the older versions and I want to avoid any confusions.

I'm talking about the following procedure :

- take the OSD out of the cluster with "ceph osd out osd_no"

- stopping the osd daemon if it's still running

- purging the OSD from the cluster map running from the ceph-deploy host (or one of the mons ?)  :

ceph  osd  purge  {id}  --yes-i-really-mean-it

I don't have any specific entries for these OSDs in ceph.conf so I guess I shouldn't change any conf file.

Thank you.



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