Scott Silva wrote:
<snip> > > Does swap need to be part of the RAID set? Is there actually a > performance boost? > Not a performance boost, but if the drive that swap is on fails while the OS has data there the system can choke horribly or even die. Swap on raid can sometimes be slightly slower. If you think your system won't swap any critical sleeping processes, you could be safe. But who can be that sure?
Swap on RAID should perform completely adequate these days as opposed to say the 2.4 days. Swap on RAID1 or RAID10 wouldn't have any noticeable performance degradation, swap on RAID5/6 might be slightly slower and unbearable on a degraded RAID5/6, but if swap performance is a major concern then it may be time to add some RAM.
-Ross
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