[ale] raid suggestions

[Brian MacLeod]

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On 2/15/12 9:44 AM, Jim Kinney wrote:
> Nfs root. The host end MUST be mounted noatime or it thrashes
> quickly once write buffer fills up. Saw a 40% improvement on ltsp
> project with root space set up right.


If we didn't have noatime, we'd never had succeeded running 1 rack on
a system image node, ever.

I still have to sit down and build one of these using OpenIndiana and
zfs as a test case, because there are some...interesting things that
can happen if these were all zfs filesystems...

"You need a new node?"

$ zfs clone $FILESYSTEM

"Okay, boot it up!"

Brian
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