On Mon, Dec 10, 2001 at 10:13:20AM -0800, Matthew Dillon wrote: > :Spindle sync is an anachronism these days; asynchronous behaviour > :(write-behind in particular) is all the rage. You'd be hard-pressed to > :find drives that even support it anymore. > > Woa! Say what? I think you are totally incorrect here Mike. > Spindle sync is not an anachronism. You can't get good RAID{0,2,3,4,5}
For RAID3 that is true. For the other ones... > performance without it - for reading OR writing. It doesn't matter > so much for RAID{1,10}, but it matters a whole lot for something like > RAID-5 where the difference between a spindle-synced read or write > and a non-spindle-synched read or write can be upwards of 35%. If you have RAID5 with I/O sizes that result in full-stripe operations. -- | / o / /_ _ email: [EMAIL PROTECTED] |/|/ / / /( (_) Bulte Arnhem, The Netherlands To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message