I am filled with wonder for the salesman who sells striping of
solid-state server drives.

--Bill 

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of George Gallen
Sent: Wednesday, April 28, 2010 12:47 PM
To: U2 Users List
Subject: [U2] Universe and stripped drives

We are in the process of upgrading our system.

When we setup our current system, it was suggested we strip our data
drives (5) into one, instead of having 5 separate drives, so it could
pull more data at once.

The new system will have 6 drives available for striping

We were going to have 6 drives striped into one, which would be
partitioned into our data areas the thought being it would be faster
disk access if it's pulling from all 6 drives at once.
BUT...all of the partitions are on that one striped drive.

Would it be better to have (2) sets of 3 drives striped into one, and
setup the two most used accounts on each of those drives, so now it's
only pulling data from 3 drives, but there could be less competition
between the two accounts, since they are pulling from separate drives?

Anyone played with this at all?

FYI, each drive is mirrored as well, so if there is a drive failure,
data loss is protected, if there was a drive failure on both the main
and mirror (same drive) then with the
6 drive strip, we stand to potentially lose more data, than if there
were 2 sets of 3 striped.
But...since we have full daily backups, and potentially, considering a
second backup during the day, the amount of data loss would be
minimal....so I'm putting that off the table for now in determining
whether to go with a 3 or 6 stripe.


George Gallen
Senior Programmer/Analyst
Accounting/Data Division, EDI Administrator [email protected]
ph:856.848.9005 Ext 220
The Wyanoke Group
http://www.wyanokegroup.com



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