[CentOS] Swap space for kvm virtual host

Mon Mar 14 23:45:23 UTC 2011
Nataraj <incoming-centos at rjl.com>

On 03/14/2011 03:07 PM, John R Pierce wrote:
> On 03/14/11 3:02 PM, Dr. Ed Morbius wrote:
>> I'd allocate swap to the raw devices rather than the RAID devices,
>
> why would you use RAID and not RAID your swap?    the primary (many say, 
> only) purpose of RAID is to maintain uptime, and having any swap device 
> fail will ensure your system immediately crashes.
>
> I *always* mirror my swap devices on any system that is using RAID.
>
>
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Do you have any sense of whether this takes a big performance hit with
software raid?  (I was actually planning on hardware raid but the system
got ordered incorrectly).

Thank You,
Nataraj