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тАО10-14-2004 05:41 PM
тАО10-14-2004 05:41 PM
MSA1000 low perfomance
We tried to get help from HP business partner and system integrator, HP Service and Support Center. No one could help us or explain problem.
We checked everything: version BIOS, firmware, drivers and connections. We saw posts with same problems -no solutions. Internal DL disks are more than 3 times faster.
External storage 2-raid10 8x72gb, 4x36gb;1- raid1 2x36Gb. Linked to server FC HBA2214.
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тАО10-15-2004 12:52 AM
тАО10-15-2004 12:52 AM
Re: MSA1000 low perfomance
Are you running SQL or a database? Are you at 4.32 fw for the MSA, 1.34 bios on the 2214 with driver version 9.0.0.13?
Running single path, dual path? Also do you have a 2/8 or 2/6 switch or the single i/o module. If you have a switch involved, lock down the speed to 2GB from auto-negotiate as auto-negotiate can cause issues also.
Let us know your fw levels..
Ciao,
Greg
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тАО10-15-2004 01:05 PM
тАО10-15-2004 01:05 PM
Re: MSA1000 low perfomance
Do you have two additional storage enclosures on your MSA? If so, how are your disks, and array's on these disks distributed?
I have been advised that better performance can be achieved by spreading the disks in an array across all enclosures. I have also experienced performance issues with the MSA under extreme loads, such as Domino mail systems. I did some experiments (not 100% quantitive) but did notice improved performance when the disks are spread around.
I understand it is do to with splitting the I/O over multiple SCSI Busses in the MSA. The controller shelf has two busses (first 7 and second 7 slots) and one for each other enclosure.
You can move the disks without having to rebuild the arrays; although you should make a backup and you must swap disks when the MSA and enclosures are powered off.
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тАО10-17-2004 04:34 PM
тАО10-17-2004 04:34 PM
Re: MSA1000 low perfomance
PROC X3.06/533-512 ├в 2, RAM ├в 4Gb
Duplex mode.
1 Channel 0,1 2x32Gb RAID1 SYSTEM
2 Channel 0,1,3 3x72Gb RAID5 ARHIVE
FCA 2214 Slot1 (133Mhz)
Storage: MSA1000 (Drive bay numbers)
1,2,3,4,8,9,10,11 8x72Gb RAID10 ndf
5,6,12,13 4x36Gb RAID10 mdf
7,14 2x36Gb RAID1 log
Storage linked to server by Fiber Channel 2m LC/LC Cable
Installed by SMARTSTART├Р┬╛├Р┬╝, during POST writes - optimyzed for W2000 ├Р┬╕ 2003 server.
Windows2003 Standart (all HF appl),
SQL2000 Enterprise SP3, Navi
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тАО10-17-2004 04:47 PM
тАО10-17-2004 04:47 PM
Re: MSA1000 low perfomance
Single i/o module.
>Running single path, dual path?< ??
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тАО10-18-2004 04:38 AM
тАО10-18-2004 04:38 AM
Re: MSA1000 low perfomance
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тАО10-18-2004 07:40 PM
тАО10-18-2004 07:40 PM
Re: MSA1000 low perfomance
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тАО10-18-2004 11:37 PM
тАО10-18-2004 11:37 PM
Re: MSA1000 low perfomance
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тАО10-19-2004 12:11 AM
тАО10-19-2004 12:11 AM
Re: MSA1000 low perfomance
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тАО10-21-2004 01:21 AM
тАО10-21-2004 01:21 AM