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On Thu, 2009-02-12 at 14:12 -0500, [email protected] wrote: > > I see. I was under the impression that mirroring was part of the > Lustre package > already. No. Not yet. I don't know when it will be. It's a fairly distant future feature. > Am I correct to say that Lustre does handle the concatenation > of OST volumes? Well, yeah, I guess you could describe it that way. Many OSTs can be "pooled" into a filesystem and OSTs can be added and removed to/from a filesystem at any time. There is no actual "concatenation" going on, Just lots of disks in a single filesystem. > Perhaps someone with DRBD experience can expand on that, as that would > be quite helpful. Lustre pools OSTs into a filesystem independent of DRBD. They are orthogonal to one-another. > Is Lustre aware of DRBD? vice-versa? No. DBRD is just a networked block device. Lustre uses block devices (in whatever form they come) for OSTs. It doesn't really care what technology (performance concerns aside) is underlying the block device. > > Thanks for the Information Brian. It's very helpful. You are welcome. b. >
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