Hi,
I hope you are following this :
http://ceph.com/docs/master/rados/operations/add-or-rm-osds/#removing-osds-manual
After removing the osd successfully run the following command :
# ceph-deploy --overwrite-conf osd create
<osd-host>:<device-path> --zap-disk
It will give you the same osd id for new osd as old one for that
disk.
Regards,
Vikhyat
On 04/14/2015 05:54 PM, Corey Kovacs
wrote:
I am fairly new to ceph and so far
things are going great. That said,
when I try to replace a failed OSD, I
can't seem to get it to use the same
OSD id#. I have gotten it to point
which a "ceph osd create" does use the
correct id# but when I try to use
ceph-deploy to instantiate the
replacement, I get working osd which
uses the next highest number.
My setup is....
18 nodes
12 OSD's each
216 total OSD's
Ceph 0.80.7
ceph-deploy 1.15.22( also tried 1.15.11)
RHEL 6.6
All of the docs I've read say that if what has
happened to me does occurr, then it's likely the
original OSD references are not quite cleared out. So
my questions are....
1. How do I track down all traces of the old OSD
2. Can someone point me to a known good set of
instructions for using cep-deploy to replace an OSD using
the samel ID?
3. Is using the same ID a deprecated idea?
Thanks
-C
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