What does Embedded SATA Controller : ATA mean?

Posted by paulH on Server Fault See other posts from Server Fault or by paulH
Published on 2013-10-29T15:21:40Z Indexed on 2013/10/29 15:57 UTC
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dell-poweredge

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sata

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h700

I have a Poweredge R510 server with a PERC H700 Integrated RAID controller that is exhibiting slower than expected disk speeds (RAID 1 and RAID 10 arrays) and I'm looking at the configuration of the server.

Running the command omreport chassis biossetup on the server shows me the following configuration setting:

Embedded SATA Controller : ATA

I can also see that the possible options for this setting are:

off | ata | qdma | raid

I've been looking online to find out what this setting means and what the various options refer to but I've been unable to find anything particularly helpful, so I was hoping that somebody here could help to enlighten me.

Thanks,

Paul.

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