Greg Stark wrote: > Jan Dittmer <[EMAIL PROTECTED]> writes: > > >>You could always do raid 1 over raid 0, with newer kernels (2.6ish) >>there is even a dedicated raid10 driver. > > > Aren't you much better off doing raid 0 over raid 1? > > With raid 1 over raid 0 you're mirroring two stripe sets. That means if any > drive from the first stripe set goes you lose the whole side of the mirror. If > any drive of the second stripe set goes you lost your array. Even if they're > not the same position in the array. > > If you do raid 0 over raid 1 then you're striping a series of mirrored drives. > So if any drive fails you only lose that drive from the stripe set. If another > drive fails then you're ok as long as it isn't the specific drive that was > paired with the first failed drive.
Ever heart of Murphy? :-) But of course you're right - I tend to mix up the raid levels... Jan ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend
