RE: Howto: implement AMD SB9xx RAID5 support in dmraid
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> I would advise using mdadm instead since it is much better supported and
> more reliable and feature complete.
Won't mdadm overwrite the metadata written to the disk by the BIOS/UEFI.
The RAID needs to be accessible from Windows and Linux. And I already use
the RAID under windows for my USER(would be /home for linux) directory.
> I believe it should just work unless they changed the format of the
> dmsetup table.
Could be true. Maybe just loading the appropriate module will work.
> dmraid -n doesn't already recognize it? You can find the existing known
> offsets in pdc.h.
I will run the command tonight when I am home. But as far as I can tell I
only get "found 0 sectors" for all the three disks. Maybe adding the offset
patch from ubuntu will do the trick.
> dmraid already understands pdc metadata.
Does this include all the info needed to setup a RAID-5. For instance there
are four different algorithm, left-asymmetric, left-symmetric, right-asymmetric
and right-symmetric that can be picked.
> Ubtunu 12.04 has switched to letting kpartx activate the partitions
> instead of dmraid, which supports GPT.
Another patch I can apply to the source tree. :-)
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