* /dev/disk/by-id by-path will change if you connect it to different controller, or replace your controller with other model, or put it in different pci slot
On Sat, 25 Oct 2014 17:20:58 +0000, Scott Laird <sc...@sigkill.org> wrote: > 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 > > -- Mariusz Gronczewski, Administrator Efigence S. A. ul. WoĊoska 9a, 02-583 Warszawa T: [+48] 22 380 13 13 F: [+48] 22 380 13 14 E: mariusz.gronczew...@efigence.com <mailto:mariusz.gronczew...@efigence.com>
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