Comment 37 for bug 569900

Ok .... here is another update ....

We tested another machine.
Intel GT mainboard with Q9400 CPU and 4GB Kingston RAM and 2 x 500GB Seagate Drives

Each drives has:
1) 2GB Raid
2) 498GB Raid (remaining space)

md0 (2 x 2GB Raid) formated as /etx4 /boot
md1 (2x 490GB Raid) formated as LVM

LVM has -
4GB formated as swap
486GB formated as ext4 as /

The installation went fine, but when booting i was informed that md0 was running in degraded mode (only 1 drive) and that the root partion could not be found. Then i was dropped into the initramfs shell. We used the Live CD to check the raid configuration, everything was 100%, md0 had both drives and had sync'ed and md1 had both drives and continued to re-sync. We could mount the drives and everything was as it should be.

We the reinstalled the machine. During the installation we removed the existing partition and re-partioned them as below:

Each drives has:
1) 2GB Raid
2) 495GB Raid
3) 3GB Free Space (approx)

md0 (2 x 2GB Raid) formated as /etx4 /boot
md1 (2x 490GB Raid) formated as LVM

LVM has -
4GB formated as swap
486GB formated as ext4 as /

The machine booted into Ubuntu first time.

I have no idea why i cant use the full drive.
We have tested the same with Ubuntu x64 8.04, 8.10 - it is working 100%
It is not working with Ubuntu x64 9.10, 10.04RC or 10.04

Just happy to have the machines working, i am sure i wont miss 3GB