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01-10-2012 01:33 PM
01-10-2012 01:33 PM
MSA2012i Expansion problems
Hello I have a MSA 2012i iSCSI Dual Controller SAN. 12 SATA drives in a RAID10 config.
I added a AJ750A - MSA2000 3.5 Dual I/O Controller 12 Enclosure to this live system so I could add more hard drive and some spare dirves.
Everything worked fine when adding the enclosure and the first set of drive. I was able to expand my array with 4 additional disk and 4 standby disk. Now I want to add another 4 disks to the array ( I can only expand 4 at a time according to the HP control panel )
When I try to add the remain 4 dirve into the live array I get :
"You can not expand a virtual disk to greater than 16 drives for this RAID level."
Anyone come accross this before ?
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01-10-2012 09:48 PM
01-10-2012 09:48 PM
Re: MSA2012i Expansion problems
no I didn't know about that limitation.
Have you looked into firmwares? Maybe in a newer one they have increased this limit?
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01-13-2012 12:46 PM
01-13-2012 12:46 PM
Re: MSA2012i Expansion problems
Here are the versions of everything runnning:
Current Storage Controller Code Version J210P23
Current Storage Controller Loader Code Version 15.010
Current Memory Controller FPGA Code Version F300R22
Current Management Controller Code Version W421P31
Current Management Controller Loader Code Version 12.013
Current Expander Controller Code Version 3206 Current CPLD Version 27
Enclosure WWN Address Manufacturer Model Revision
500c0ff0d722153c 0:31 HP SPS Chassis 3023
500c0ff0d722153c 0:159 HP SPS Chassis 2029
The error message as image is attached.
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01-14-2012 01:27 AM - edited 01-14-2012 01:31 AM
01-14-2012 01:27 AM - edited 01-14-2012 01:31 AM
Re: MSA2012i Expansion problems
As usual, the error message is right. I've attached a screenshot of the MSA2000 reference guide. This is a known limitation of the MSA2000. Building 2x RAID10 with 16 drives each would perform better than a single 32 drive RAID10 anyway. Keep in mind that a single Vdisk is handled by a single MSA controller only.
Regards,
Sebastian
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01-14-2012 01:33 AM
01-14-2012 01:33 AM
Re: MSA2012i Expansion problems
Good find :)
Why would two 16 disk RAID10 be better than one 32 disk RAID10?
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01-14-2012 01:42 AM
01-14-2012 01:42 AM
Re: MSA2012i Expansion problems
Regards,
Sebastian
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01-17-2012 03:46 PM
01-17-2012 03:46 PM
Re: MSA2012i Expansion problems
Unrelated to your question but please update the IOM FW on the shelf.
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02-05-2012 08:42 PM
02-05-2012 08:42 PM
Re: MSA2012i Expansion problems
I dont see where there IOM FW is installed. Clarification?