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тАО09-12-2007 08:02 AM - last edited on тАО11-24-2013 08:45 PM by Lisa198503
тАО09-12-2007 08:02 AM - last edited on тАО11-24-2013 08:45 PM by Lisa198503
I have an MSA1000 with two controller cards running as active/active. Can I add more controllers to the same MSA1000 to better distribute the IO. My machine is doing a very high number IO waits and I am wondering if distributing the IO over more controllers would help.
P.S. This thread has been moved from HP 3PAR StoreServ Storage to Disk Array. -HP Forum Moderator
Solved! Go to Solution.
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тАО09-13-2007 01:15 AM
тАО09-13-2007 01:15 AM
SolutionWhen you say your active active, does that mean you are running one of the active-active firmware versions? or or just HBA dual connected. Did you manually assign the MSA controllers to lun?
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тАО09-13-2007 05:46 AM
тАО09-13-2007 05:46 AM
Re: MSA1000 add more controllers
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тАО09-13-2007 06:21 AM
тАО09-13-2007 06:21 AM
Re: MSA1000 add more controllers
If you are using the MSA switch modules, You can SSH or telnet to the switch console login as admin and run the command
portperfshow
Setup 2 sessions, 1 to each switch and you will be able to see performance or I/O running through both controllers.
If your using the 2/3Port HUBs you will not be able to do this.
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тАО09-13-2007 06:30 AM
тАО09-13-2007 06:30 AM
Re: MSA1000 add more controllers
You help is greatly appreciated.
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тАО09-13-2007 04:54 PM
тАО09-13-2007 04:54 PM
Re: MSA1000 add more controllers
can you tell me how i can see the performance on an MSA1500cs?
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тАО09-13-2007 04:56 PM
тАО09-13-2007 04:56 PM
Re: MSA1000 add more controllers
can you tell me how i can see the performance on an MSA1500cs?
Amer,
The next level up SAN would be an EVA system. The MSA1500 (which i've got) was more of a replacement for the MSA1000, not the next model up. I'm pretty sure it's causing a major bottleneck at the moment.
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тАО09-14-2007 01:58 AM
тАО09-14-2007 01:58 AM
Re: MSA1000 add more controllers
Chris, With your 1500 you should have FC switches - or at least 1, or 2 if your running a redundant fabric and HBA configurations. Part of this thread gives the basics of seeing performance ( I/O ) running across the fabric. Again, the MSA1500 to my knowledge is using the exact same controller Amir is using in his MSA1000. portperfshow is the Brocade switch command to view performance across all the switch ports. If you using cisco or other FC switches you'll have to look in help for a similar command.
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тАО09-14-2007 02:12 AM
тАО09-14-2007 02:12 AM
Re: MSA1000 add more controllers
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тАО09-14-2007 05:33 AM
тАО09-14-2007 05:33 AM
Re: MSA1000 add more controllers
I appreciate your help in this regard.
Amer