Hi all, /// The problem ///
There are binary packages out there that do the trick based on device-mapper (dmraid) (e.g. Ubuntu). But I would like to do it
a) manually
b) based on mdadm-imsm
//// The situation ///
I am still trying to figure out how to install grub / grub2 on my intel
imsm raid. And it's a striping RAID-0. Because the documentation out
there is overall for RAID-1 (or 5) and the few bits I found for RAID-0,
just do not work for me.
/// The questions /// Maybe someone could shed some light on these open questions:a) Do I need to install it to the Volume (/dev/md126) or to the Container (/dev/md127)? - My guess: The volume because it represents the RAID, hence should be what gets assembled for the int13 BIOS handler by the Option-ROM of the intel-sw-raid-controller.
b) What device do I need to put in the /grub/boot/device.map file as
(hd0):
(/dev/md126, /dev/md127 or ...)?
My guess: The same like a).
c) Do you suggest grub1 (grub legacy) or grub2?
*** For grub2: The default way to install it: grub-install does not
(seem to) work as grub2 then tries to find the /boot device itself and
grub built from bzr does not (yet) support mdadm arrays with metadata
v1.2 that are partitioned :(
As I am quiet new to grub2 it would be very helpful to get an idea of
what of the (many) tools to use and if possible with what parameters.
Plus I wonder if with grub2 there will be problems because grub2 will
try to assemble the RAID itself.
*** For grub: I did some installations but all my trials did always end in an Error 22 on "setup (hd0)" in the grub shell. <<< If grub would be your recommendation I can post the details!
Thanks a lot for any hint in advance! K. Posern
smime.p7s
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