Hello, It would be great to have a command like : ceph-deply out osd.xx Physically change the drive, then ceph-deploy replace osd.xx What do you think ? Best Regards - Cordialement Alexis 2013/11/20 Mark Kirkwood <mark.kirkwood@xxxxxxxxxxxxxxx>: > On 20/11/13 22:27, Robert van Leeuwen wrote: >> >> Hi, >> >> What is the easiest way to replace a failed disk / OSD. >> It looks like the documentation here is not really compatible with >> ceph_deploy: >> http://ceph.com/docs/master/rados/operations/add-or-rm-osds/ >> >> It is talking about adding stuff to the ceph.conf while ceph_deploy works >> in a different way. >> (I've tried it without adding to ceph.conf and that obviously did not >> work) >> >> Is there a easy way to replace a single failed OSD which has been deployed >> with ceph_deploy? >> You could remove the OSD and add a new one but I would prefer to just >> reuse the current config / OSD numbers. >> Basically I would like to do a partition/format and some ceph commands to >> get stuff working again... >> > > I looked at this a while back (experimenting with how to add a failed osd > back in after rebuilding it). Unfortunately I can't find my notes right now > - but I recall the key features being (following the docs for removing an > osd): > > - checking it is stopped/failed > - remove it from the crushmap (ceph osd crush remove) > - delete its auth key (ceph auth del) > - remove the osd (ceph osd rm) > > Then recreate it using cep-deploy (osd create of similar), would (usually? > reuse the (now) vacant osd num slot. > > Nothing needed for editing ceph.conf I recall. > > I'll take a better look at this tomorrow (unless someone who knows this > better - which is probably a big list - corrects my musings)! > > Cheers > > Mark > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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