It's generally recommended that you use disks in JBOD mode rather than involving RAID. -Greg On Monday, July 14, 2014, ???? <onlydebian at gmail.com> wrote: > I have installed and test Ceph on VMs before, i know a bit about > configuration and install. > Now i want to use physic PC Server to install Ceph and do some Test, i > think the prefermance will better than VMs. I have some question about how > to plan the ceph storage architecture. > > >>> what do i have as below: > 1. only one Intel SSD 520 120G, plan used for Ceph journal, to speed the > Ceph prefermance. > 2. some old PC Server with Array Controller, include 4 x 300G SAS HDD > 3. Gigabit Switch > > >>> what do i plan: > 1. Ceph cluster such as: A: osd+mon, B: osd+mon , two PC server Ceph > cluster > 2. the only one SSD install on A, use for Ceph journal > 3. use Nic bind(LACP) on Server, and Switch port configure LACP > 4. i plan to use Debian 7 testing > > >>> what shall i ask: > 1. shall i use Array controller config Raid or not ? or how to use the > HDD better, use HDD directly, no need raid ? > 2. i have only one SSD HDD for journal, so what shall i modify in my plan > ?? and how to config journal to SSD ? > > hope some one can give me some guide. > Many thanks in advanced. > -- Software Engineer #42 @ http://inktank.com | http://ceph.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.ceph.com/pipermail/ceph-users-ceph.com/attachments/20140715/57b3829c/attachment.htm>