One Other thing If I set cluster_network on node0 and restart it, then do the same on node1 will I be able to maintain availability while I roll the change out ? On 30/08/13 11:47 AM, "Dimitri Maziuk" <dmaziuk@xxxxxxxxxxxxx> wrote: >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 > >_______________________________________________ >ceph-users mailing list >ceph-users@xxxxxxxxxxxxxx >http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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