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dell poweredge 2950

Posted on 2011-03-15
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Last Modified: 2012-06-21
Does anyone know for a fact that i can put an h700 perc card into a poweredge 2950 and it be able to acknowledge larger then 2TB sata drives? I have been told by dell that they do not know and i do not want to purchase a h700 perc to find out it does not work. Its a pcie like the perc 5i that is currently installed.
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Question by:lawsupport
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by:PowerEdgeTech
ID: 35138898
It is not supported on a 2950.  That doesn't mean it won't work (as you said, physically the connector would fit), but it is not supported either because Dell did not test it or did test it and determined there is some problem.  Even though it may fit, it may have hardware requirements that the 2950 cannot provide.  

The PERC 5/i will support 2TB drives (although you may need a firmware update).  What are you hoping to accomplish by switching to the H700?
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by:lawsupport
ID: 35139039
I installed 6 3TB drives in a raid 5 array. It worked even prior to updating to the latest firmware. Only problem is the perc only see's the drives as 2tb drives thus i only show a 9.9tb array in win08r2. Lost 5tb that I would like to gain back if I can just install a newer h700 perc.
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by:PowerEdgeTech
ID: 35139388
In that case, I don't believe either the PERC 5 or 6 will do larger than 2TB.  Unless there's someone here who has actually tried it themselves, I think you're on your own to try it.  Like I said, Dell either tested it and found problems or didn't test it at all, and while it would be good to know which is the case, they didn't make this information available either to the public or their technical people. Either way, a real-world test is about all you can do.  I couldn't find a reference to anyone on the Internet with a quick search having tried it.

The H700 is PCIe, but the H700 must also fit in the dedicated RAID slot (where the PERC 5/i is now), and if it does, then it will come down to the system's ability to provide what the controller needs (bus speed, power, BIOS support, etc.).  I would make sure the BIOS and ESM are up to date before trying it ... just to make sure everything is running as efficiently as possible.
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by:lawsupport
ID: 35139939
I can tell you first hand that the updated firmware on the perc5i will not see drives past 2tb. The ultimate question is still, will the h700 work in that perc slot (bios supported and all) I have updated the bios already.
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by:PowerEdgeTech
ID: 35140289
You can hold out and see if someone here has tried.  I would also recommend asking on the Dell forums if someone has actually tried it.  Short of someone having actually tried this, you won't get a solid technical response one way or the other.  Good luck :)
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by:lawsupport
ID: 35184392
Well I purchased an h700 card from dell and it right off the bat appears to have diffrent cable connections to the backplane  the perc5i has ribbon style cables where is the h700 has a sort of 3 prong sata style cable. Do you know if there is some sort of converter cable or is this the end of the line! lol
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by:PowerEdgeTech
ID: 35186297
I'd probably have to see it to even recognize the type of connector you're talking about.
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by:lawsupport
ID: 35199665
Here is what dell said it was and i went ahead and ordered 2
Serial Attached SCSI (SAS) 4-Lane 36pin 4i Mini MultiLane to 32pin 4i MultiLane Internal Cable - 50cm (A1120717)
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by:amickfarms
ID: 35285644
lawsupport, were you able to get this running with the adapter cable?  I am looking to do the same and create an openfiler san box.
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lawsupport earned 0 total points
ID: 35403778
This is what i did. I installed the h700 card and then purchased the adapter cables. they where long but managed to get them in the server. I would probably look for some 6inch cables if i was to do it again. I had to update the firmware on the h700 to read the drives as 3tb drives. This all worked perfect. I now have a 2950 with 14tb of internal storage.
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by:PowerEdgeTech
ID: 35403792
That's awesome ... a bit jealous.  Glad it worked out for you.
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by:lawsupport
ID: 35403953
Also to note that 3 prong cable connection i was talking about was the dust caps plugged into the card. lol   I removed them and it was a right connector for the cable.
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by:PowerEdgeTech
ID: 35403962
lol ... nice!
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by:PowerEdgeTech
ID: 35404030
As I said ... the only way to know is to try.  Now I know someone who tried it and it worked :)  Glad it did.  Let us know if there seem to be any effects down the road.
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by:lawsupport
ID: 35431210
Performed work myself to determine if hardware would work.
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by:MIS Manager
ID: 36018732
Lawsupport,
I'm looking to perform the same task (add H700 to PE2950). Is the firmware update from Dell? And, I'm a little confused about the adapter cables/dust caps....is it absolutely necessary to purchase the A1120717 adapter for will the cables from the PERC5/6 work with the H700?
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by:PowerEdgeTech
ID: 36019320
Although the PERC's are based on LSI equivalent controllers, if you are going to update the firmware on the H700, you must use the Dell firmware, as trying to force an LSI update on the PERC will most likely brick your controller.  Since the H700 is not supported on the 2950, you won't find the firmware update on the download page for the 2950 ... you'll need to get it from a system that does support the H700, like the R710 (the 2950's replacement).  That said, you can ge the updates here:

http://support.dell.com/support/downloads/driverslist.aspx?os=WNET&catid=46&dateid=-1&impid=-1&osl=EN&typeid=-1&formatid=-1&servicetag=&SystemID=PWE_R710&hidos=WNET&hidlang=en&TabIndex=&scanSupported=True&scanConsent=False
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by:mvalpreda
ID: 36939774
I just bought one of these for a PE1900. Here's to hoping it will work in there without an issue. :) I'm only trying to use 5x1.5TB drives though!
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by:mvalpreda
ID: 36959455
FYI: The H700 does appear to work in the PE1900. I have not done extensive testing, but wanted to make sure it worked before my eBay filing period ran out.
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