Raid 1

[Sean Bruno]

On Mon, 2007-12-10 at 12:45 +0000, tony.chamberlain at lemko.com wrote:
> 
> 
> We put Raid 1 (software) on an IBM server.  I installed some software
> and made sure everything
> worked.  Then we realized we needed to set up grub so the machine
> would boot from either disk.
> So under Linux Rescue we went into grub and did
> 
>      device (hd0)  /dev/sda
>      root (hd0,0) 
>      setup (hd0)
> 
>      device (hd1)  /dev/sdb
>      root (hd1,0) 
>      setup (hd1)
> 
> But then when we booted, everything failed.  I noticed a commone
> message "initlog not found" so I looked on another machine and
> foiund it under /sbin but not on this one.  So I copied it to /sbin
> and
> rebooted.  It got a lot farther this time, but then got stuck on not
> being
> able to find a default theme.
> 
> I also noticed that linux rescue puts the linux under /mnt/sysimage
> (so /etc is /mnt/sysimage/etc, /home is /mnt/sysimage/home, etc)
> but in addition to those there was still a /etc, /home, etc.  I
> suppose
> one was the mirrored disk.
> 
> So it sounds like we might not have done something correctly.  Anyone
> have any idea?  We did set up the whole raid system correctly during 
> Linux installation on a different machine, and then used that
> anaconda-ks.cfg
> file for this one (removing the "#"'s where the raid stuff was
> commented out
> in the config file).

Can you post the output of "mdadm --detail /dev/mdX" for each raid
device on your machine?  It almost sounds like the RAID isn't working
for you.

Sean