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10-31-2008 08:52 PM
10-31-2008 08:52 PM
DL320s / P400 SATA speed
I was looking at the specs 'cause we were interested in buying a couple.
Am I reading the fine print in the specs correctly that the P400 controller in it only does 1.5 Gbit/s on SATA?
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10-31-2008 09:23 PM
10-31-2008 09:23 PM
Re: DL320s / P400 SATA speed
The maximum data transfer for SATA hard drives is 1.5Gb/s.
So Smart Array P400 Controller can only do 1.5Gb/s on SATA hard drives,
but it can do 3.0 Gb/s on SAS drives.
Regards,
Farooq
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10-31-2008 09:55 PM
10-31-2008 09:55 PM
Re: DL320s / P400 SATA speed
Are you suggesting that HP drives are only 1.5 Gbit/sec? That is not the case according to this: http://h18000.www1.hp.com/products/quickspecs/13021_div/13021_div.html
Hence my question that is the 1.5 Gbit/s speed on SATA a limitation of the P400?
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11-01-2008 02:39 PM
11-01-2008 02:39 PM
Re: DL320s / P400 SATA speed
yes for smart array controllers like P400 they only work at 1.5 GB for SATA HDDs
there are some documents that says for another controllers like Embedded SATA and SAS HBAs the firmware must be updated to support 3GB SATA HDDs but they are not clear if the firmware is to support the 3GB speed or just to support the HDD itself but I think is the last sentence just to support the HDD
check this
http://h18004.www1.hp.com/products/quickspecs/12903_na/12903_na.html#Core%20Options
"NOTE: Server BIOS update is required to support 3G SATA drives when configured with embedded SATA controller."
check this thread also
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1268450
bye
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11-01-2008 02:44 PM
11-01-2008 02:44 PM
Re: DL320s / P400 SATA speed
http://h18000.www1.hp.com/products/servers/proliantstorage/adapters/sc44ge/index.html
so the HDD are out there but won't work at 3GB
I heard next year will be Generation 6 servers that will have new controllers that eventually are going to support 3GB
bye
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11-02-2008 06:05 AM
11-02-2008 06:05 AM
Re: DL320s / P400 SATA speed
This is really a shame. Othewise the DL320s is a very attractive box because of the high HD density.
I'll have to check again but I think the Dells have been supporting 3G speeds on SATA eversince their first SAS/SATA RAID controller which I think was the Perc 5.
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