CentOS - Mar 2008 - Re: Recommendations for a “real RAID" 1 card on Centos box

This is getting OT and you are going to end up spending more on redundancy then
if you just called Dell and ordered another computer.



----- Original Message -----
From: centos-bounces at centos.org <centos-bounces at centos.org>
To: CentOS mailing list <centos at centos.org>
Sent: Fri Mar 14 09:31:00 2008
Subject: RE: [CentOS] Recommendations for a 	?real RAID" 1 card on Centos
box

> That is true, buy high quality stuff up front for fewer problems down
> the road. Not a sure bet, but a better one. In the half dozen systems
> I've been running at home for the past several years none of them
> have suffered a hardware failure of any kind(fortunately). I've been
> running PC Power and Cooling power supplies for about 9 years now,
> really high quality PSUs(last one I bought was about 4 years ago, can't
> speak for their quality now).
So for a top quality power supply for a mission critical desktop machine, which
brand(s) would you reccomend?  One of the towers I have is a Thermaltake 
Xaser 3 with lots of room, and I just bought a new Antec Sonata III tower
with a 500 watt PS.
> So BBU is certainly a nice thing to have but at least in my
> experience isn't absolutely critical.
Then for a Mission critical desktop machine, if you had to make
a choice, would you go with a good quality UPS and/or redundant
power supplies, or a BBU instead?
 
> Of course for absolutely critical things I don't use server-based
> RAID anyways. Multiple redundant controllers, multiple redundant
> paths(to both the disks and to the hosts), is the way to go(assuming
> your application(s) aren't built to be able to run on something
> like a distributed file system). I've seen that some of the
> latest HP servers have dual ported SAS disks, which sounds pretty
> neat. I assume they still only have one controller though.
As an alternative to RAID1 for a mission critical desktop machine @
home, what would you reccomend?  Maybe a bare metal restore solution
able to restore to different hardware, (i.e. if a motherboard dies and drive
crashes due to power spike or some catastrophe,  I'm screwed
if I can't find the exact same make - model)?
 
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> This is getting OT and you are going to end up spending more on redundancy
then if you just called Dell and ordered another computer.
I agree with you in that it's cheaper to buy another home computer than to
design a system with redundancy.
However that new conputer I would order from Dell probabally would not have the
redundancy I need in a
a workstation, and I would just end up back where I started anyway. 
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