On 08/11/2007 07:01 PM, Art Fore wrote:
> This worked up to "mdadm --activate --scan" where mdadm said no such
> command --activate or something to that effect. 
Assuming you used the 10.2 rescue system, there is no need for that.
> Went ahead and mounted
> md3 on /mnt, chroot to /mnt, done a grub, then root (hd0,1) it comes up
> no such device.
>   
What device had your /boot/grub files in it?  That would have been
/dev/hda2.  Didn't you say you had SATA?  Are they first, according to
device.map?  if so, then /dev/sda2.  You probably also needed to, after
mount /dev/md3 /mnt, you need to:
mount -o bind /dev /mnt/dev
mount -o bind /proc /mnt/proc
mount -o bind /sys /mnt/sys
Then, cd /mnt, then chroot /mnt.  Then it should have worked.  After
chrooting to mnt without /dev, there may not have been any devices there.
> Found a suse howto at
>
>  http://en.opensuse.org/How_to_install_SUSE_Linux_on_software_RAID
>
> which worked, of course I had to do a reinstall. Guess the /boot
> partition is needed for suse.
>   
I can guarantee it is not.  I have 2 machines running software RAID 1,
one with PATA and one with mixed (3 RAID 1 partitions across 4 disks). 
On both, I have boot as a directory on the root partition.
[EMAIL PROTECTED]:~> cat /etc/fstab
/dev/md0             /                    ext3      
acl,user_xattr        1 1
/dev/md1             /home                ext3      
acl,user_xattr        1 2
/dev/hda1            swap                 swap      
pri=42                0 0
/dev/hdc1            swap                 swap      
pri=42                0 0
devpts               /dev/pts             devpts    
mode=0620,gid=5       0 0
proc                 /proc                proc      
defaults              0 0
sysfs                /sys                 sysfs     
noauto                0 0
/dev/hdc7            /media/backup        ext3      
acl,user_xattr        1 2
LABEL=USBBackup      /media/USBBackup     ext3      
user,noauto,acl,user_xattr 0 0

I have manually installed GRUB on the MBR of my disks many times
(especially with 10.1).  Too bad you reinstalled.  I guess this is all
moot at this point. 

-- 
Joe Morris
Registered Linux user 231871 running openSUSE 10.2 x86_64





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