On 08/30/2013 01:38 PM, Geraint Jones wrote: > > > On 30/08/13 11:33 AM, "Wido den Hollander" <wido@xxxxxxxx> wrote: > >> On 08/30/2013 08:19 PM, Geraint Jones wrote: >>> Hi Guys >>> >>> We are using Ceph in production backing an LXC cluster. The setup is : 2 >>> x Servers, 24 x 3TB Disks each in groups of 3 as RAID0. SSD for >>> journals. Bonded 1gbit ethernet (2gbit total). >>> >> >> I think you sized your machines too big. I'd say go for 6 machines with >> 8 disks each without RAID-0. Let Ceph do it's job and avoid RAID. > > Typical traffic is fine - its just been an issue tonight :) If you hosed and have to recover an 9TB filesystem, you'll have problems no matter what, ceph or no ceph. You *will* have a disk failure every once in a while, and there's no "r" in raid-0, so don't think what happened is not typical. (There's nothing wrong with raid as long it's >0.) -- Dimitri Maziuk Programmer/sysadmin BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu
Attachment:
signature.asc
Description: OpenPGP digital signature
_______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
