Re: CentOS 6.0 CR mdadm-3.2.2 breaks Intel BIOS RAID

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On Oct 8, 2011 7:23 PM, "Ljubomir Ljubojevic" <office@xxxxxxxx> wrote:
>
> Vreme: 10/09/2011 12:16 AM, Trey Dockendorf piše:
> > On Sat, Oct 8, 2011 at 4:31 PM, William Warren<
> > hescominsoon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>  wrote:
>
> >> why bother with bios FAKERAID using PIO mode(effectively).  Make a
> >> backup and redo using MD raid and turn off the bios raid. Then things
> >> will work correctly.
>
> > I did the downgrade it it worked fine after.
>
> I just now realized that you have fakeraid (dmraid). That is very
> dangerous, because if MB dies, you might need to find another one with
> same chipset to make it work. On the other hand, Linux software RAID
> (mdadm). That way your RAID will work on any MB.
>
> So I also recommend William Warren's suggestion to convert as soon as
> possible. You can even use "RAID 10 - far" to gain 2 x read and 1 x
> write speed of normal disk while mirroring.
>
>
> --
>
> Ljubomir Ljubojevic
> (Love is in the Air)
> PL Computers
> Serbia, Europe
>
> Google is the Mother, Google is the Father, and traceroute is your
> trusty Spiderman...
> StarOS, Mikrotik and CentOS/RHEL/Linux consultant
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Can anyone confirm or advise how to do partionable raid with mdadm in Centos
6?  I made a few attempts using methods from centos 5 with no success.
Everytime I created md_d0 it did not contain any partions from the member
disks.

- Trey
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