Best practices for Veritas File system (raid) selection ?

From: Sun Admin (sun_admin17@rediffmail.com)
Date: Thu Jan 12 2006 - 18:13:08 EST


  
Dear SunManagers,
 
I am looking for the best practices for selection of
raid types in veritas file system on Unix/Solaris.
 
Some of the points I am
looking for is:
 
(Assuming that all the disks are either 36GB/72GB in size,
and there is no budget constraints.)
 
1. I need to have 100MB-500MB of file
system which will have user data which type of raid I should opt.
2. I need
to have a large file system (say 100 GB+) for an Oracle database which is
getting high IO, what type of raid I should select.
3. I need to have a large
file system, which will be having small user files which is again having high
IO rate.
4. I need to have small file system (upto 5 GB) which will be having
fixed type of files not changing much.
 
There can be some more cases....
 
If
these inputs are in form of a document, that will be great. Else, please share
your views in this regard. I will consolidate the inputs.
 
Thanks and best
regards,
SunAdmin
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