On Thu, 2013-10-24 at 16:33 +0000, Marcus Sorensen wrote:
> Thanks. In the past with onboard controllers like this I've set up the
> array in the boot menu, and then when installing the OS the kernel has
> automatically spun it up as a device mapper disk. I'm assuming that
> the bios menu tools write the MD metadata such that an installer with
> MD modules would do the same.
I think it entirely depends on the distro. I know for sure that SLES,
RHEL, and Fedora has the proper support for installing to and booting
from IMSM RAID volumes.
>
> On Oct 24, 2013 9:57 AM, "Jiang, Dave" <dave.jiang@xxxxxxxxx> wrote:
> On Thu, 2013-10-24 at 04:31 +0000, Marcus Sorensen wrote:
> > Can someone remind me, is the C600 chipset "raid-1" an
> md-raid with
> > the intel metadata, or is it dm-raid compatible like other
> fakeraid
> > drivers, or something else?
>
> The C600 series chipset is a SAS controller. Depending on the
> SKU of the
> chipset the OROM/EFI driver will enable or disable RAID5.
> Otherwise the
> OROM should at least support RAID0 and RAID1. It uses the
> external IMSM
> metadata. That means you can have MDRAID manage the RAID
> volumes, and
> the RAID0 and RAID1 can be managed with DMRAID as well.
> Although Intel
> no longer supports DMRAID usage for its external metadata and
> recommends
> using MDRAID for management.
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