Re: StorEdge 3310: RAID and configuration question
- From: Jared.Still@xxxxxxxxxxx
- To: oracle-l@xxxxxxxxxxxxx
- Date: Tue, 8 Jun 2004 09:14:08 -0700
You can't make a decision on how to architect a system based solely on the
components at hand.
There are many things to consider:
is the db to be read mostly, read only, oltp?
low, medium or high transaction rates? ( you define based on HW
capability )
number of users?
Criticality of performance?
For instance, RAID 5 may be entirely suitable for an application that has
low
performance requirements, and you need more space than you can get
from a RAID10.
enough for now.
Jared
"Naveen, Nahata (IE10)" <Naveen.Nahata@xxxxxxxxxxxxx>
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06/08/2004 04:50 AM
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Subject
StorEdge 3310: RAID and configuration question
Hi All,
I have a Sun v440 4 cpu 8GB ram with Sun StorEdge 3310 with 5x70 GB HDDs.
Let me give you three scenarios:
1. On the StorEdge 3310 Array configure RAID 1+0 Using 4 disks and use one
as a local hot spare
2. Configure RAID 5 on the 3310 Array
3. Put 2 disks on the other scsi channel and configure 2 RAID-1s and use
the
fifth disk as global spare.
My question is, which one of the 3 choices is better and whether the third
one is feasible? Moreover, if anyone has any other idea, please let me
know.
In addition to the above I have another question:
In addition to the above I would like to know the pros/cons of Software
mirroring?
Regards,
Naveen Nahata
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