RAID0 and Fedora 16 / f16

Roberto Ragusa mail at
Fri Nov 18 20:36:01 UTC 2011

On 11/18/2011 07:39 PM, Mark W. Jeanmougin wrote:
> sda1 is a 1049kB partition for "bios_grub". md0 is a raid1 of sda3
> sdb2. md1 is sdb1 & sda2. Then, md1 holds the vg00. This is about as
> simple as I can make it.

Just my two cents.
Wouldn't have been wiser to partition the two disks with the same layout?
That is, create a 1049kB sdb1 (even if unused) and keep sda2+sdb2 and sda3+sdb3.
It would be more confusing for the administrator, and it would make easier
to exchange the roles of the disks in the future.
I would also suggestion to call sda+sdb3 as md3 as so on. There is no rule
that you must have md0, then md1, then md2; having just md2 and md3 would be

Apart from this "good practice" considerations, I don't think to have
great suggestions for you about the grub2 problems.

> During the install, I select: Install boot loader on /dev/sda. Minimal
> Install. Then I get a Warning "There was an error installing the
> bootloader. The system may not be bootable". Looking at the other
> virtual consoles shows me:
> Alt-F3:
> INFO storage: bootloader stage1 target device is sda
> INFO storage: bootloader stage2 target device is md0
> [Ed: Which is odd since I chose sda for the installation target in the
> earlier step]
> Alt-F5:
> /sbin/grub2-setup: warn: This GPT partition label has no BIOS Boot
> Partition; embedding won't be possible!.

Is the GPT sda1 correctly marked for boot?

   Roberto Ragusa    mail at

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