Information on RAID, Table size calculation

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From: Uhway (Uhway_at_discussions.microsoft.com)
Date: 01/24/05 

Date: Sun, 23 Jan 2005 20:47:08 -0800

Where can I find some info on RAID 1 and RAID 5. Can we implement both on
One machine. To do so how many harddrives are needed along with RAID
controllers(1 or 2)?

What's the best way to calculate table space/db size requirement with
varchar, bigint, image and text fields. Can I find a spread*** etc on the
net?

Also can some one post scripts to backup and restore (Point in Time) ? Any
good web site on backup, restore and tracing?

Thanks
BVR

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