At Wed, 16 Feb 2011 13:43:16 -0500 (EST) CentOS mailing list <centos at centos.org> wrote: > > > On 2/16/2011 12:09 PM, compdoc wrote: > >>> The problem is, the kernel seemingly randomly switches between > >>> /dev/sdb and /dev/sdc for these devices. > >> > >> I use the UUID in fstab rather than '/dev/sda', etc > > > > In this case it would be something you give to mdadm to add a device > > back to a set. And you'd have to know which one in a rotation was > > coming back to which machine, something you wouldn't otherwise have to > > track since it is going to overwrite everything with the re-sync anyway. > > We do track (and physically label) that, because there are drives of > different size/manufacturer/geometry on different servers, so that would > be ok. Thought question: is there any *pattern* to the seemingly randomness of the /dev/sdb vs. /dev/sdc business? Do disks of certain sizes/manufacturer/geometry do the switch more or less often? > > However, we're not set up for UUIDs, the fstab just shows /dev/md0, etc. > Perhaps this is the answer for us, but I'll have to look into how tricky > it would be to migrate roughly 50 production servers. > > Thanks again! > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > > -- Robert Heller -- 978-544-6933 / heller at deepsoft.com Deepwoods Software -- http://www.deepsoft.com/ () ascii ribbon campaign -- against html e-mail /\ www.asciiribbon.org -- against proprietary attachments