[CentOS] boot failure after install

Dear All,

I have recently had a bad experiences with Centos 4.0 and 4.1 when 
installing onto mirrored IDE drives using software mirror.

The install goes through ok, but when the system comes to reboot, it 
seems the boot loader fails.  I've seen fail on the first reboot or 
after a random number of reboots, across different hardware as wide and 
varied as you can get, the common factor is software raid, (mirrored 
drives).

It either fails just displaying "GRUB" or fails with a flashing cursor 
at the bootup time.

Booting a rescue cd, doing a chroot /mnt/sysimage and then the following 
grub commands fixes the issue permanently, so that it never fails again,

grub

grub-> root (hd0,0)
grub-> setup (hd0)
grup-> root (hd1,0)
grub-> setup (hd1)
grub-> quit

it seems to me the Anaconda installer doesn't do something quite right 
which leads to this random style failure.  Its only random as to when it 
will do it, unless you do this, it will do it at some point.....

I've been doing Redhat for many years and never seen this problem 
before......anybody else seen this

P.


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