Hi Shain, Not talking from experience, but as far as I now -from how ceph works- I guess is enough if you reinstall the system, install ceph again, add ceph.conf and keys, and udev will do the rest. Maybe you'll need to restart the server after you've done everything, but ceph should find the OSDs it-self. As far as I know OSDs are detected by udev -at least in Ubuntu you don't have entries for them on fstab- and started. But maybe you'll have to start them manually. But again, I never done that, and I'm just talking from what I've seen of how ceph works. (Also if using a different linux release it may work differently.) Good luck! Xavier. -----Mensaje original----- De: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] En nombre de Shain Miley Enviado el: viernes, 10 de marzo de 2017 18:35 Para: ceph-users <ceph-users@xxxxxxxx> Asunto: Unable to boot OS on cluster node Hello, We had an issue with one of our Dell 720xd servers and now the raid card cannot seem to boot from the Ubuntu OS drive volume. I would like to know...if I reload the OS...is there an easy way to get the 12 OSD's disks back into the cluster without just having to remove them from the cluster, wipe the drives and then re-add them? Right now I have the 'noout' and 'nodown' flags set on the cluster so there has been no data movement yet as a result of this node being down. Thanks in advance for any help. Shain -- NPR | Shain Miley | Manager of Infrastructure, Digital Media | smiley@xxxxxxx | 202.513.3649 _______________________________________________ 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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