DragonFly kernel List (threaded) for 2009-06
Re: Supported SAS adapters
On Wed, Jun 24, 2009 at 09:21:11AM -0700, Matthew Dillon wrote:
> :I will have the occasion to test some storage servers in the next few days. Is
> :there a chance recent LSI MegaRAID SAS adapters have a working driver ?
> :These beasts can pack up to 24 TB; I would love to setup a Hammer filesystem
> :this large ...
> I haven't done any SAS adapter ports myself. The NATA driver has some
> MegaRAID support, but probably not the SAS part.
> I'm willing to do one more major driver port similar to the AHCI and SILI
> ports (i.e. all the bells and whistles), if people want to nominate a
> reasonably-priced SAS card in mass production. It will be a post-release,
> post-SOC project for me.
That would be great.
The adapter in the servers is a MegaRAID SAS 8888ELP:
It is able to drive two sas connectors among 4: 2 internal and 2 externals for
a total of 240 disks.
> I have no plans to port any of the BIOS fake-raid stuff.
Yup, that stuff is worthless and I wouldn't expect to see it in SAS hardware