On Thu, 11 Oct 2007 11:38:04 -0400, Bill Davidsen <davidsen@xxxxxxx> wrote: > Kelly Byrd wrote: >> I've currently got a pair of identical drives in a RAID1 set for >> my data partition. I'll be getting a pair of bigger drives in a >> bit, and I was wondering if I could RAID1 those (of course) and >> then RAID0 the two differently sized mds. Even better, will RAID10 >> let me do this? >> > > RAID-10 will let you do this, read past threads of this list for > discussion of using the "far" option to gain performance. >> I don't need to grow the current RAID1 into this new beast, I've >> got a place I can copy the existing data so I can start from >> scratch. >> Doesn't the 'far' option trade write performance to gain read performance? This is a desktop, not at all a "mostly read" type workload. >> I imagine the answer is: "sure RAID10 / RAID0 let's you do this, >> but you don't get the striping performance benefit" for some of >> the data", which would be ok with me until the smaller drives go >> bad and I replace them. >> > > Replacing the smaller drives could be an adventure if you plan to go to > larger replacement drives. I don't recall the issues involved with using > larger partitions and RAID-10, there's another issue for you to research. > Will do. - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
