Re: Drive setup

anonymous_at_discussions.microsoft.com
Date: 02/13/04 

Date: Fri, 13 Feb 2004 03:56:53 -0800

>Right off the bat, I am going to be controversial and
suggest
>that there has been some very bad advice given here.

You mean opinions. Bad Advice in my "opinion" is advice
that doesnt work. All opinions given have accuracy, re-
read the posts.

>Hardware RAID is much better than software RAID.
Always.
>I will cite speed, CPU utilisation and efficiency as
just some
>obvious reasons.

Was this questioned?

>Given the choice, you would probably always create RAID5
>arrays using every disk

<snip>
This completely depends on your situation. Whats going on
the raid5? how much access to it? is it for sharing files
or is it holding a 60gig exchange store. If it wasnt for
the fact you said "probably" i would argue this much much
more .

>Not only is it a good idea to have RAID
>for your system partition, but it will be much quicker,
striping
>data across four fast disks.

and not only is it good to have your boot/system on a
seperate duplexed mirror and the data being served on its
own raid..youll see much better performance this way. How
to you get the idea stripping 4 discs is faster and any
different then striping 3 discs?

I also offer the solution of obtaining another drive to
duplex a mirror (is this an onboard RAID controller like
in a HP DL380 or something?) If so each channel is its
own controller. Then create the array. I just rebuilt a
corporate exchange server from a straight 5 disc raid5 to
a duplexed mirror for boot/system and 3 drive raid5 and
the performance is crushing the previous one.

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