[CentOS] Re: preferred software RAID 10?

Scott Silva ssilva at sgvwater.com
Mon Jul 28 16:59:27 UTC 2008


<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?


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