This is a previous thread about journal disk replacement. http://lists.opennebula.org/pipermail/ceph-users-ceph.com/2014-May/039434.html I hope this would be helpful for you. Cheers, S ----- Original Message ----- From: "Martin Wilderoth" <martin.wilderoth@xxxxxxxxxx> To: ceph-users@xxxxxxxx Sent: Friday, April 22, 2016 1:20:17 PM Subject: Replace Journal I have a ceph cluster and I will change my journal devices to new SSD's . In some instructions of doing this they refer to a journal file (link to UUID of journal ) In my OSD folder this journal don’t exist. This instructions is renaming the UUID of new device to the old UUID not to break anything. i was planning to use the command ceph - osd -- mkjournal and update the ceph . conf accordingly. Do I need to take care of my missing journal symlink , i think it is a symlink ? Why is it there, and how is it used ?. I actually don’t remember the command i used to create the disk but it's some years ago and i doubt i used ceph -disk. I found the following process in this list, that seemed good. But its still not clear to me if i can skip this journal link ? set noout stop the osds flush the journal replace journal SSDs recreate journal partitions update ceph . conf to reflect new journal device names recreate the journal (for the existing osds ) start the osds unset noout _______________________________________________ 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
 |