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тАО10-18-2009 01:14 AM
тАО10-18-2009 01:14 AM
SAS Switch Port Mapping
Hi
I have a c7000 containing 8 BL460C.
6 of these have corresponding SB40c storage blades attached (blades in adjacent bay) and a further 2 require external storage via p700 M2 card, 2x SAS 3gb switch and MSA2324 array enclosure.
The problem I have is when I install the switches into Rear slots 5 and 6, I get a device mismatch on the 6 servers, persumably due to the Storage Array conflicting with the storage blade.
Question is therefore, how can I diable the Port Mappings from 3Gb Switch to Servers located in slots 1,3,5,7,9,11 which allowing access to servers 13,14.
Thanks
Mark
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тАО10-18-2009 05:16 PM
тАО10-18-2009 05:16 PM
Re: SAS Switch Port Mapping
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тАО10-19-2009 03:26 AM
тАО10-19-2009 03:26 AM
Re: SAS Switch Port Mapping
Which slote you have the card inserted ?
Regards,
Sooraj
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тАО10-19-2009 11:16 AM
тАО10-19-2009 11:16 AM
Re: SAS Switch Port Mapping
The solution was to move each of the Mezzanine cards to Slot 1 for the Blades NOT using the external MSA and to ensure the p700 array controller (also a mezz) was installed into slot 2 for the 2 blades that do need access.
The problem I have now is that my 2 servers with p700 installed cannot see any of the disks in the enclosure. When I press F8 on boot option for the p700 and try to create a new array partition I just get "No physical disks are installed"
I suspect either SAS Cabling or Zoning to be the problem. I only received 2 SAS Cables to connect from the SASswitch to the MSA and I suspect I may need more.
Currently I have them installed in Switch 1 (of 2) and running from Ports 1 and 2 to MSA ports A1 and A2.
I have then setup Zoning such that 1 of my servers has access to the first 2 ports on the switch but still no good.
Any thoughts appreciated!
Thanks
Mark
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тАО10-22-2009 07:35 AM
тАО10-22-2009 07:35 AM
Re: SAS Switch Port Mapping
I just recently discovered that only the MSA600 and MSA2000sa arrays are supported with the SAS BL switch.
Quickspecs of the SAS BL switch: http://h18004.www1.hp.com/products/quickspecs/13170_div/13170_div.html
See also this thread:
http://forums.itrc.hp.com/service/forums/questionanswer.do?threadId=1375305
Would be really annoying if this was enforced somehow. (I don't understand why they only support two storage devices...)
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тАО10-22-2009 12:35 PM
тАО10-22-2009 12:35 PM
Re: SAS Switch Port Mapping
Hi Michael,
I think my mode MSA2324sa is covered under the MSA2000 family of Array enclosures. The specs link you sent does specify it under MSA2000sa. See the last line below...
"MSA2000sa The 3Gb SAS BL Switch can also be used to access to shared SAS storage provided by the MSA2000sa. A P700m Smart Array controller installed in each server acts as a pass through, with RAID functionality for shared SAS storage provided by the MSA2000sa array.
HP StorageWorks 2312sa G2 Dual Controller Modular Smart Array (LFF) AJ805A
HP StorageWorks 2324sa G2 Dual Controller Modular Smart Array (SFF) AJ807A"
You had me worried for a moment though!
Regards,
Mark
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тАО04-01-2010 04:28 AM
тАО04-01-2010 04:28 AM
Re: SAS Switch Port Mapping
I have a similar situation. BL460C with p700m on board connected through the 2xSAS3G switch to MSA2324. In my case p700 doesn't detect any hard drive, however BIOS and Windows recognize the logical drive. Moreover I can do all operation (read/write/modify) on this partition. All my firmwares/drivers are up to date. I thought it might be a hardware issue with p700, but controller replacement didn't help at all. So I will join to your question - what is wrong?
Cheers,
Slawek