Good idea? Dell MD1000 with 3TB SAS drives using a PERC 6/e controller to attach to a PowerEdge R905.

Paul T. Keener keener at hep.upenn.edu
Wed Jul 11 10:35:12 CDT 2012


Hi,

I have been told that the MD1000 will not work with anything other than 
the PERC.  Is this true, or will an H800 work with the right cables?

Thanks.

	-paul


On 07/11/2012 11:31 AM, Jens_Heinz at dell.com wrote:
> Hi,
>
> it is not only about supporting those drives, they won't be detected as 3TB. It is a limitation of the Perc (FW). So if you use some other controller card it might work. Perc6/e isn't for sure.
> Regarding the interposer, that one is needed for SATA drives installed in an MD array, SAS drives do fine w/o.
>
> Jens.
>
> -----Original Message-----
> From: linux-poweredge-bounces-Lists On Behalf Of Diederick Stoffers
> Sent: 11 July 2012 17:24
> To: Steve Thompson
> Cc: linux-poweredge-Lists
> Subject: Re: Good idea? Dell MD1000 with 3TB SAS drives using a PERC 6/e controller to attach to a PowerEdge R905.
>
> Do I need interposers if I only put SAS drives in there? I was under the impression this was not needed for a SAS only configuration.
>
> On 11 Jul 2012, at 17:10, Steve Thompson wrote:
>
>> On Wed, 11 Jul 2012, Diederick Stoffers wrote:
>>
>>> We have a PowerEdge R905 and are running out of disk space. I can get a great deal on a refurbished PowerVault MD1000 with a Dell PERC 6/e RAID controller, no disks. Can anyone comment on putting Enterprise grade Seagate Constellation 3TB SAS disks in RAID6 mode in this direct attached storage solution?
>>
>> I don't know about the 2TB vs 3TB question, but be sure that you use interposers with these drives, even if the shelf is not in split bus mode. Very flaky behavior otherwise, probably due to marginal signal strengths.
>>
>> Steve
>
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