two raid arrays?

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I want to build a new system using mobo Asus P5E3 Deluxe.  I have never
installed/used raid but it occurred to me that it would be nice to have the
OS and programs on one HD with a backup on a second identical HD.  Also to
have an addition third  HD for data with an additional identical fourth HD
to backup the third.

So my question is:

Is it possible to run two different raid arrays at the same time to
accomplish what I described above?

Hope this isn't too stupid a question.


Re: two raid arrays?

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Yes, not a problem. You can have as many arrays as you like.


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Re: two raid arrays?

On Fri, 29 Feb 2008 07:43:24 -0800, "EMudgeSr"

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Yes you can but I would advise not doing so unless your
primary concern is keeping maximum uptime and you have a
separate backup as well.

The reason is that a problem with the OS will be present on
both of the mirrored volumes, and a virus or user mistake
would also effect both, for example a virus that deletes JPG
would wipe out the contents of 2nd drive equally.

Re: two raid arrays?

Thanks for the help. I think I will forego my original idea and just stick
with Ghost backups.

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