On Wednesday October 10, kbyrd-linuxraid@xxxxxxxxxx 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? > > 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. > > 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. RAID0 happily handles devices of different sizes and uses all the available space. RAID10 will only use as much space off each device as the smallest device allows. So you should have 2 RAID1 arrays of different sizes, and use RAID0 to combine them. Don't use RAID10. NeilBrown - 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
