Date: Fri, 26 Feb 1999 19:07:53 +0000 (GMT) From: russell@lls.lls.com (Russell Brown) To: dledford@redhat.com (Doug Ledford) Cc: rgb@phy.duke.edu, maxwell@clark.net, AIC7xxx@FreeBSD.ORG Subject: Re: Adaptec 7890 and RAID portIII RAID controller Linux Support Message-ID: <m10GSc5-000BoWC@lls.lls.com> In-Reply-To: <36D5B02F.B9E0605C@redhat.com> from "Doug Ledford" at Feb 25, 99 03:18:55 pm
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Quoth Doug Ledford.....
>
>"Robert G. Brown" wrote:
>>
>> Masterful work, Doug!
Seconded. Nicely written.
>That's possible, but what I've found to be a good method is to do something
>like this:
>
>/dev/sda1: 200MB
>/dev/sda2: Rest of disk
>
>I copy that exact same paritioning to all the rest of the disks. When I
>actually lay it out, /dev/sda1 becomes the self sustaining /boot partition and
I play the same game and it works very well.
FWIW, if /etc/lilo is a directory and contains an excutable called install
then it's executed when you run lilo.
I use this to copy sda1 to sdb1 automatically so I've got a workable copy
of my boot partition every time I do a 'make bzlilo' in /usr/src/linux.
If it's of any use to anyone, here's a copy of my /etc/lilo/install script.
#!/bin/sh
#
# Install Routine for LILO on the SoftRAID
#
Device=/dev/sda1
Disk=/dev/sda
Mirror=/dev/sdb1
MDisk=/dev/sdb
#
echo Installing Kernel on the Boot partition $Device
#
RBmount=$( cat /proc/mounts | /usr/bin/grep ${Device} )
if [ -n "${RBmount}" ]; then
RBmount=$( echo ${RBmount} | cut -f 2 -d ' ' )
i_mounted=NO
else
RBmount="/tmp/raid$$"
mkdir $RBmount
mount ${Device} ${RBmount}
i_mounted=YES
fi
cp /vmlinuz $RBmount
cp /System.map $RBmount
/etc/lilo/lilo
if [ $i_mounted = "YES" ] ; then
umount $Device
fi
#
# Update the Second Disk Mirror Image
#
echo Checking Mirror: $Mirror
if e2fsck $Mirror
then
mkdir /tmp/mirror.$$
if mount -t ext2 $Mirror /tmp/mirror.$$
then
umount $Mirror
echo Copying the root filesystem to the Mirror root $Mirror
dd if=$Device of=$Mirror
# Copy the lilo part of the root boot
# avoiding the partition table
dd if=$Disk of=$MDisk bs=446 count=1
echo The mirror root $Mirror updated.
else
echo WARNING The mirror root $Mirror has NOT been updated.
fi
fi
# End of RAID lilo install
--
Regards,
Russell
--------------------------------------------------------------------------
| Russell Brown | MAIL: russell@lls.com PHONE: 01780 471800 |
| Lady Lodge Systems | WWW Work: http://www.kings.demon.co.uk/ |
| Peterborough, England | WWW Play: http://www.kings.demon.co.uk/russell/ |
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