Re: [CentOS] Swap space for kvm virtual host

On 03/14/2011 03:07 PM, John R Pierce wrote:

On 03/14/11 3:02 PM, Dr. Ed Morbius wrote:

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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