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? Cheers, Chris.
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