Testing CAM wrapper for ata(4) controller drivers
Scott Long
scottl at samsco.org
Thu Dec 10 14:46:03 UTC 2009
On Dec 10, 2009, at 3:02 AM, Alexander Motin wrote:
> Alexander Motin wrote:
>> The main regression of the new mode is a lack of ataraid
>> alternative, to
>> support cheap BIOS-based ATA RAIDs. If somebody has time and wish to
>> port that code from inside ata(4) into GEOM module, to make it work
>> over
>> CAM also, I would appreciate that and propose a help, if needed.
>
> May be it would be easier to just teach gmirror, gstripe and gconcat
> to
> handle ATA RAIDs metadata formats, to not duplicate and support the
> rest
> of code.
>
The existing graid modules are not well suited for learning new
metadata. I have plans for restructuring them into a stack within
GEOM that handles metadata separate from the transforms.
Scott
More information about the freebsd-arch
mailing list