Dan Phoenix wrote:
>
> Yes I did and it made some real differences. I enabled it on /usr as well
> as /var and mounted /var with the noatime option. Doing not bad for the
> amount of email it is pushing....thing is this I/O problem never use to be
> an issue....but with growth constantly happening it has come to a hardware
> based solution. What I have recommended to the company is a scsi card in
> that machine with 2 scsi drives.....I will raid 0 then together with ccd
> or venim and mount it as /var....turn existing /var into extra swap
> space.....although i may thing of something else...as I don;t think it
> needs a gig of swap... and that should fix the I/O issue incredibly.
> Right now I have split up the load also between2 machines so that has
> helped out incredibly....but systat -vmstat is still always showing 100%
> disk usage so I will have to remedy the problem. Then I plan on moving all
> mail back to that one machine and beating the shit right out of that
> freebsd machine to see what freebsd can really handle. If anyone has some
> nice newbie docs :) on ccd or venim would be greatly appreciated.
Don't forget to put logging and other such things on a separate drive..
even a small 1G drive as a secondary will be ok, as long as it has soft
updates and doesn't share heads with the work area..
vmstat 1 and iostat 1 output would be intersting.
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