Bob,  buy and read the book Configuration and Capacity Planning for 
Solaris Servers.   Chapter 7 is a MUST read.  The rest will bring you up 
to speed on the type of RAID configuration based on your workload.   
It's only 400 pages or so, you should be able to knock it out in a 
weekend and then you can answer all these RAID posts.    

Configuration and Capacity Planning for Solaris Servers,  Published by 
Sun Press,  Author Brian Wong.

Bye. for now

BobH wrote:

>I am considering installing a new server (samba) for file and print serving
>a small medical office.  I have never used raid before and I have a
>questions before I buy.
>1.  Should I buy a hardware raid device or rely on software raid?
>2.  Should the OS be installed on the raid or on another separate device
>and then let the raid handle all the data files?  In this case I would
>place the print servers on the boot device with the OS.
>       I figure I could resinstall the OS easily but the data is the part that we
>don't want to lose -- ever!
>3.  Probably most important, is raid just overkill for a small office as
>long as tape backups can be made nightly and if we are down for 3-4 hours
>for a reinstall we can live with it - although not without some angst.
>4.  If I go with a raid, is tape backup still necessary on a daily basis?
>5.  What is considered the best tape backup program (GUI interface please
>for this relative neophyte)?
>
>Thanks for you time and answers!
>
>Bob
>radiologygrouppc.com
>




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