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тАО06-05-2002 09:46 AM
тАО06-05-2002 09:46 AM
Solved! Go to Solution.
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тАО06-05-2002 10:02 AM
тАО06-05-2002 10:02 AM
Re: VA7400
The 73GB drives are 10K rpm. By any chance were the FC60 drives 15K rpm? They're anywhere from 20 to 40 percent faster.
Pete
Pete
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тАО06-05-2002 12:06 PM
тАО06-05-2002 12:06 PM
SolutionHP16 is now a mandatory upgrade for the VA7400 (optional on the VA7100), so since you're on HP14, you should schedule the upgrade as soon as you can.
One big thing to note about performance as well... LUNs on Redundancy Group 1 (RG/1) should be accessed via controller 1 (MC/1) and LUNs on RG/2 should be accessed via MC/2... this will increase performance. You can use LVM to set the primary path.
With these two items, I bet your performance improves quite a bit.
Good luck!
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тАО06-05-2002 11:06 PM
тАО06-05-2002 11:06 PM
Re: VA7400
RAID5 by design has a lower write performance in OLTP load due to the parity handling.
So to get a fair comparison both arrays should use the same RAID level.
The VA performs best when set to RAID10 or in AutoRaid mode with less than 50% of the raw space allocated to LUNs and when all LUNs are accessed via the performance path (also read the users guide starting on page 36 on:
http://h20000.www2.hp.com/bizsupport/TechSupport/DocumentIndex.jsp?contentType=SupportManual&docIndexName=manuals&locale=en_US&prodTypeId=12169&prodSeriesId=64100&prodSeriesName=hp+surestore+virtual+array+7400
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тАО06-28-2002 10:20 AM
тАО06-28-2002 10:20 AM