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Raid and LVM at boot on RHEL4

Hello folks,

We have some Proliant DL145 machines which do not come with a raid controller but do come with 2 identical internal disks.

I tried to do the install with putting the two disks in a raid1 config via the command line as Anaconda would not allow me to perform a mixed raid and LVM setup at install.

Here's is what I did,

Boot off disk 1
Before getting to the configure file systems bit I went onto console 2 and did this -

fdisk /dev/sda creating a 300Mb bootable partition sda1 for /boot and left the rest of the disk as a partition of type linux raid autodetect.

I then did exactly the same on /dev/sdb

I created /dev/md0 with /dev/sda1 and /dev/sdb1 and /dev/md1 with /dev/sda2 and /dev/sdb2

My aim was to use /dev/md0 as a raid 1 /boot partition and /dev/md1 as LVM for the rest of the OS.
So I pvcreated /dev/md1 and vgcreated vg00 with /dev/md1.

Next I switched back to console 7 to carry on with the install, Anaconda recognised the LVM and raid structure Id put on the disks and allowed me to create lvols in the vg.

No problems so far, however, just before it starts installing the packages it formats the partitions then tells me it could not mount /boot (even tho it just formatted it) and presents a really unhelpful button saying "press ok to reboot" -- NICE ! ;)

Anyhoo, has anyone managed to get raid and lvm working from install on RHEL 4 ? 

Im going to keep trying to get this to work, but if anyone has any pointers they would be well appreciated.

Many thanks,
Nick .

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