On Fri, Jul 5, 2019 at 11:25 AM ST Wong (ITSC) <s...@itsc.cuhk.edu.hk> wrote:

> Hi,
>
> Yes, I run the commands before:
>
> # ceph osd crush remove osd.71
> device 'osd.71' does not appear in the crush map
> # ceph auth del osd.71
> entity osd.71 does not exist
>

which is probably the reason why you couldn't recycle the OSD ID.

Either run just destroy and re-use the ID or run purge and not re-use the
ID.
Manually deleting auth and crush entries is no longer needed since purge
was introduced.


Paul

-- 
Paul Emmerich

Looking for help with your Ceph cluster? Contact us at https://croit.io

croit GmbH
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81247 München
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Tel: +49 89 1896585 90


>
> Thanks.
> /stwong
>
> -----Original Message-----
> From: ceph-users <ceph-users-boun...@lists.ceph.com> On Behalf Of Eugen
> Block
> Sent: Friday, July 5, 2019 4:54 PM
> To: ceph-users@lists.ceph.com
> Subject: Re: [ceph-users] ceph-volume failed after replacing disk
>
> Hi,
>
> did you also remove that OSD from crush and also from auth before
> recreating it?
>
> ceph osd crush remove osd.71
> ceph auth del osd.71
>
> Regards,
> Eugen
>
>
> Zitat von "ST Wong (ITSC)" <s...@itsc.cuhk.edu.hk>:
>
> > Hi all,
> >
> > We replaced a faulty disk out of N OSD and tried to follow steps
> > according to "Replacing and OSD" in
> > http://docs.ceph.com/docs/nautilus/rados/operations/add-or-rm-osds/,
> > but got error:
> >
> > # ceph osd destroy 71--yes-i-really-mean-it # ceph-volume lvm create
> > --bluestore --data /dev/data/lv01 --osd-id
> > 71 --block.db /dev/db/lv01
> > Running command: /bin/ceph-authtool --gen-print-key Running command:
> > /bin/ceph --cluster ceph --name client.bootstrap-osd --keyring
> > /var/lib/ceph/bootstrap-osd/ceph.keyring osd tree -f json
> > -->  RuntimeError: The osd ID 71 is already in use or does not exist.
> >
> > ceph -s still shows  N OSDS.   I then remove with "ceph osd rm 71".
> >  Now "ceph -s" shows N-1 OSDS and id 71 doesn't appear in "ceph osd
> > ls".
> >
> > However, repeating the ceph-volume command still gets same error.
> > We're running CEPH 14.2.1.   I must have some steps missed.    Would
> > anyone please help?     Thanks a lot.
> >
> > Rgds,
> > /stwong
>
>
>
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