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Re: Will different CPU and RAM matter?
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: Re: Will different CPU and RAM matter?
- From: "STeve Andre'" <andres_(_at_)_msu_(_dot_)_edu>
- Date: Thu, 5 May 2005 15:09:23 -0400
On Thursday 05 May 2005 14:57, Gary Clemans-Gibbon wrote:
> STeve Andre' wrote:
> > On Thursday 05 May 2005 14:15, Gary Clemans-Gibbon wrote:
> >>Hi All,
> >>I have a co-located 3.4 web/mail box at a remote location with a P3
> >>1.2Ghz and
> >>1Gb RAM (on-board LAN and video). At home I have another copy of the
> >> exact same motherboard but with a Celeron 1.1Ghz and 512 Gb RAM.
> >>The question is, can I install 3.7 on the box at home and then simply
> >>take out the HDD
> >>and swap it into the co-lo server? Will it care that it was installed on
> >>a different CPU with less
> > Um, if one motherboard is a p3 and the other is a celeron, they aren't
> > the same. Close maybe, but not the same. Remember that when at
> > some point in the future two "similar" motherboards do slightly different
> > things to you.
> > Anyway, unless there are odd disk geometry problems, you ought to be
> > able to move the disk over to the new box. Keep in mind that if the
> > network card differs you'll have to change /etc/hostname.?. You should
> > be able to do this easily. Have a backup plan in case it doesn't go
> > well.
> > --STeve Andre'
> > .
> Actually the two motherboards are 100% identical, bought on the same day
> together. As for backup plan, how does "quickly chuck the original disk
> back in" sound?
Your backup plan sounds excellent. ;-) You might not belive how many times
I've encountered people who hadn't thought of that. I'm serious.
Even though the motherboards are the same, there is a part of me that wonders
if there might be a subtle difference between using those two CPUs. I've seen
too many weird weird problems in the past. I am extremely cautious about
this. For critical systems I always reccomend buying two identical
motherboards just to be sure that if it dies a good and exact replacement
exists.. I even look at revision numbers on asic's to be as sure as possible.
I've "been there" just enough times to be paranoiac about this.
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