[Dirvish] Backup dies with out a trace

Shawn (Red Mop) redmopml at comcast.net
Wed Mar 5 17:01:06 UTC 2008


On Wednesday 05 March 2008 08:58:43 am Petcher, Daniel wrote:
> I vaguely remember reading (I think it might have been in the MD or LVM man
> pages) that RAID-ing swap space was not necessary in kernel 2.6 (and
> possibly 2.4), because if you add multiple swap areas, the OS will balance
> the swapping-load among them to achieve the same effect without the
> management overhead of RAID. You might be working harder than you need to.
>
> -dP
> _______________________________________________

The idea behind raiding swap isn't that it makes things faster, but instead it 
protects against losing a drive with swap on it.  Losing a drive with 
unRAIDed swap on it WILL take down the server.


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