In message: <[EMAIL PROTECTED]> Avleen Vig <[EMAIL PROTECTED]> writes: : On Sat, Jun 24, 2006 at 03:32:26PM -0400, Mike Meyer wrote: : > Why not RAID your swap? The extra reliability might not be worth very : > much, but the extra performance couldn't hurt - unless you don't plan : > on swapping at all. This is enough of a win that the swap subsystem : > will interleave swap usage across multiple drives, a facility that : > predates RAID. If you just split your swap across multiple drives, you : > get RAID0 behavior from swap. : : Really? I thought it was possible to interleave multiple swap devices. : I'm probably wrong, but I thought I remembered seeing 'interleaved' : somewhere. Maybe my definition of interleaved is differented from : someone elses :-)
Swapping to multiple devices does tend, on the average, to spread the load. But on the average doesn't mean all the time. When swapping to a device that's on a RAID, then you get the interleave every single time. Warner _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"