Re: Raid 1+0 vs Raid 0+1

"Surfer!" wrote: > > Can some kind person explain the difference between RAID 1+0 (as > generally recommended) and RAID0+1 for me? In nice untechnical terms? > Or even with a picture? I'll try (you'll need a fixed pitch font like Courier): RAID01 - Mirrored Stripe Set + - - - + + - - - + | +---+ | | +---+ | | | | | | | | | | | | | +---+ +---+ | | | | +---+ +---+ | | | |________| | | | | | | | | +---+ | | +---+ | | +---+ | | +---+ | | | | | | | | | | | | | +---+ +---+ + - - - + + - - - + RAID10 - Stripped Mirror Set + - - - + | +---+ | +---+ | |____________| | | | | | | | +---+ +---+ | | +---+ +---+ | | |_|__________| | | | | | | +---+ | +---+ | +---+ | +---+ | |____________| | | | | | | | +---+ +---+ + - - - + > I have a customer who is setting up lots of new disks later this month > and I want to be sure I've got them to do what I want them to! Use RAID10 rather than RAID01. Check the archives for Art's reasons. :-) Cheers, -- Mark. +----------------------------------------------------------+-----------+ | Mark D. Stock mailto:mdstock@mydas.freeserve.co.uk |//////// /| | http://www.informix.com http://www.informixhandbook.com |///// / //| | http://www.iiug.org +-----------------------------------+//// / ///| | |What year 2000 bug? year 2000 bug? |/// / ////| | |year 2000 bug? year 2000 bug? year |// / /////| | |2000 bug? year 2000 bug? year 1900 |/ ////////| +----------------------+-----------------------------------+-----------+