Re: [PATCH 00/16] raid acceleration and asynchronous offload api for 2.6.22

Dagfinn Ilmari Mannsåker
2007-05-02T16:36:37Z

"Williams, Dan J" <dan.j.williams@intel.com> writes:

>> From: Justin Piszcz [mailto:jpiszcz@lucidpixels.com]
>> I have not been following this closely, must you have an
>> CONFIG_INTEL_IOP_ADMA piece of hardware and/or chipset to use this
>> feature or can regular desktop users take hold of it as well?
>>
> Currently this feature is available on the iop series of processors,
> e.g. http://www.intel.com/design/iio/iop348.htm
>
> And there is a driver in the works to support the 440spe platform
> (http://marc.info/?l=linux-raid&m=117400143317440&w=2)
>
> Desktops currently take advantage of architecture specific SIMD
> instructions to accelerate xor calculations.

How about hard drive controllers with RAID accelleration features (but
not full hardware RAID capability) such as the Promise SX4
(http://linux-ata.org/faq-sata-raid.html#sx4)?

--
ilmari
"A disappointingly low fraction of the human race is,
at any given time, on fire." - Stig Sandbeck Mathisen