On Fri, Aug 10 2012, Paul Hartman wrote: > On Fri, Aug 10, 2012 at 2:22 PM, Alan McKinnon <alan.mckin...@gmail.com> > wrote: >> You also don't need an IO scheduler - ssd access is random like >> RAM, no heads moving in and out so no sector ordering to worry about. >> Configure the scheduler as NOOP in kernel config if all drives are ssd's > > I've read some contradictory reports about the best scheduler for SSD. > Apparently some SSD controllers are tuned for sequential reads/writes > (drives that lean heavily on compression, I would imagine?) and for > those drives cfq or deadline may be the better choice. I would try > them all and use whatever works best for your workload.
I see. Thanks. allan
