On 7/6/2013 10:15 AM, Christoph Anton Mitterer wrote: > On Sat, 2013-07-06 at 03:52 -0500, Stan Hoeppner wrote: >>> Since even though you'd have one dmcrypt thread per disk now,... each of >>> them would have to en/decrypt the "same" actual data for different >>> devices... so while you have 4x threads... you need to do 4x >>> en/decryption works. >> >> This would only be true if using n-way mirroring. > Ah yes... > (as you already assumed) I missed the point with striping... ;) ... > > But also for RAID5/6 you shouldn't get n times the performance (when n > is the number of disks), probably "only" about (n-1) times respectively > (n-2) times, right? One has nothing to do with the other. We're discussing dmcrypt performance here. -- Stan -- 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
