There aren't too many people running RAID under Ceph, as it's a second layer of redundancy that in normal circumstances is a bit pointless. But there are scenarios where it might be useful. You might check the list archives for the "anti-cephalopod question" thread. -Greg Software Engineer #42 @ http://inktank.com | http://ceph.com On Thu, Aug 28, 2014 at 10:19 AM, LaBarre, James (CTR) A6IT <James.LaBarre at cigna.com> wrote: > Having heard some suggestions on RAID configuration under Gluster (we have > someone else doing that evaluation, I?m doing the Ceph piece), I?m wondering > what (if any) RAID configurations would be recommended for Ceph. I have > the impression that striping data could counteract/undermine data > replication (with PGs potentially being on multiple disks, rather than > within a single disk-oriented OSD). > > ------------------------------------------------------------------------------ > CONFIDENTIALITY NOTICE: If you have received this email in error, > please immediately notify the sender by e-mail at the address shown. > This email transmission may contain confidential information. This > information is intended only for the use of the individual(s) or entity to > whom it is intended even if addressed incorrectly. Please delete it from > your files if you are not the intended recipient. Thank you for your > compliance. Copyright (c) 2014 Cigna > ============================================================================== > > > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
 |