Hi Tom, On Mon, Jan 14, 2013 at 2:28 PM, Tom Lanyon <[email protected]> wrote: > On 14/01/2013, at 10:47 PM, Florian Haas <[email protected]> wrote: > <snip> >> http://www.hastexo.com/resources/hints-and-kinks/solid-state-drives-and-ceph-osd-journals >> >> It's probably easiest to comment directly on that page, but if you >> prefer instead to just respond in this thread, that's perfectly fine >> too. > <snip> > > > Hi Florian, > > Thanks for putting this together.
Pleasure! > A couple of minor questions/comments: > > * One of the conclusions is to use the SSDs (assuming 2) un-RAIDed, but the > article doesn't actually explain why using them in a RAID-1 is a poor idea. Added paragraph starting with "putting your journal SSDs in a RAID set looks like a good idea at first", does that explain the situation better? > * Should the end of this sentence: > "Another option is to use, say, one partition on each of your SSD in > a RAID for the operating system installation, and then chop up the rest of > your SSDs an non-RAIDed Ceph OSDs." > > ...instead read: > > "Another option is to use, say, one partition on each of your SSD in > a RAID for the operating system installation, and then chop up the rest of > your SSDs an non-RAIDed Ceph **OSD journals**." ? Sure. Fixed. Btw: coming to LCA? If you are, please find me and say hello. :) Cheers, Florian -- Helpful information? Let us know! http://www.hastexo.com/shoutbox -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
