You'd be best off using /dev/disk/by-path/ or similar links; that way they follow the disks if they're renamed again.
On Fri, Oct 24, 2014, 9:40 PM Steve Anthony <sma...@lehigh.edu> wrote: > Hello, > > I was having problems with a node in my cluster (Ceph v0.80.7/Debian > Wheezy/Kernel 3.12), so I rebooted it and the disks were relabled when > it came back up. Now all the symlinks to the journals are broken. The > SSDs are now sda, sdb, and sdc but the journals were sdc, sdd, and sde: > > root@ceph17:~# ls -l /var/lib/ceph/osd/ceph-*/journal > lrwxrwxrwx 1 root root 9 Oct 20 16:47 /var/lib/ceph/osd/ceph-150/journal > -> /dev/sde1 > lrwxrwxrwx 1 root root 9 Oct 20 16:53 /var/lib/ceph/osd/ceph-157/journal > -> /dev/sdd1 > lrwxrwxrwx 1 root root 9 Oct 21 08:31 /var/lib/ceph/osd/ceph-164/journal > -> /dev/sdc1 > lrwxrwxrwx 1 root root 9 Oct 21 16:33 /var/lib/ceph/osd/ceph-171/journal > -> /dev/sde2 > lrwxrwxrwx 1 root root 9 Oct 22 10:50 /var/lib/ceph/osd/ceph-178/journal > -> /dev/sdc2 > lrwxrwxrwx 1 root root 9 Oct 22 15:48 /var/lib/ceph/osd/ceph-184/journal > -> /dev/sdd2 > lrwxrwxrwx 1 root root 9 Oct 23 10:46 /var/lib/ceph/osd/ceph-191/journal > -> /dev/sde3 > lrwxrwxrwx 1 root root 9 Oct 23 15:22 /var/lib/ceph/osd/ceph-195/journal > -> /dev/sdc3 > lrwxrwxrwx 1 root root 9 Oct 23 16:59 /var/lib/ceph/osd/ceph-201/journal > -> /dev/sdd3 > lrwxrwxrwx 1 root root 9 Oct 24 21:32 /var/lib/ceph/osd/ceph-214/journal > -> /dev/sde4 > lrwxrwxrwx 1 root root 9 Oct 24 21:33 /var/lib/ceph/osd/ceph-215/journal > -> /dev/sdd4 > > Any way to fix this without just removing all the OSDs and re-adding > them? I thought about recreating the symlinks to point at the new SSD > labels, but I figured I'd check here first. Thanks! > > -Steve > > -- > Steve Anthony > LTS HPC Support Specialist > Lehigh University > sma...@lehigh.edu > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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