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10 SCSI Disk with 2 AIC7770 Controllers, 1 IDE
From: |
Sampson Fung |
Subject: |
10 SCSI Disk with 2 AIC7770 Controllers, 1 IDE |
Date: |
Sun, 29 Dec 2002 11:27:04 +0800 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.3a) Gecko/20021212 |
Dear All,
I have been "playing" with GRUB in the past two days.
Reading the "Multi boot with GRUB" HowTos, GRUB FAQs and INFO pages, and
still cannot have my setup working.
Initially, I have the following setup:
GRUB v0.92 (comes with RH8.0)
In BIOS, I have SCSI booted first.
/dev/hda1 FAT32 data
# On the "First" AIC7770 card
/dev/sda1 100MB ext3 RH Boot
/dev/sdb1 2GB ext3 RH8wks
/dev/sdc1 4GB FAT32 W2K
/dev/sdd1 4GB ext3 RH81wks
/dev/sde1 4GB ext3 RH81svr
# On the "Second" AIC7770 card
/dev/sdf1 2GB
/dev/sdg1 2GB linux raid
/dev/sdh1 2GB linux raid
/dev/sdi1 2GB linux raid
/dev/sdj1 2GB linux raid
Everything works fine until W2K was installed.
W2K was installed to /dev/sdc1 when all other disks are taken offline.
That is, /dev/sdc1 (when installing W2K, it is /dev/sda1, of course) is
the only disk detected by the installer.
My TARGET is to boot W2K on /dev/sdc1 in via GRUB by a suitable entry in
menu.lst.
So, following the HowTo's, I quickly come up with the following entrys:
title RH8 workstation
root (hd0,0)
kernel /vmlinuz ro root=/dev/sdb1
initrd /initrd.img
title W2K
map (hd2,hd0)
map (hd0,hd2)
rootnoverify (hd0,0)
chainloader +1
makeactive
title RH phoebe beta workstation
root (hd3,0)
kernel /boot/vmlinuz ro root=/dev/sdd1
initrd /boot/initrd.img
title RH phoebe beta server
root (hd4,0)
kernel /boot/vmlinuz ro root=/dev/sde1
initrd /boot/initrd.img
All the RH entries boots fine, except the W2K one.
My machine seems to be hanging with a "Loading stage2" message in the
top-left corner.
After a lot of "playing", I give up with the above config and comes up
with my second setup:
GRUB v0.92 (comes with RH8.0)
In BIOS, I have IDE booted first.
/dev/hda1 50MB FAT32 W2K bootloader (ntldr, ntdetect, etc)
/dev/hda5 remaining FAT32 data
# On the "First" AIC7770 card
/dev/sda1 100MB ext3 RH Boot
/dev/sdb1 2GB ext3 RH8wks
/dev/sdc1 4GB FAT32 W2K
/dev/sdd1 4GB ext3 RH81wks
/dev/sde1 4GB ext3 RH81svr
# On the "Second" AIC7770 card
/dev/sdf1 2GB FAT32 data
/dev/sdg1 2GB linux raid
/dev/sdh1 2GB linux raid
/dev/sdi1 2GB linux raid
/dev/sdj1 2GB linux raid
I install GRUB to /dev/hda with
>root (hd1,0)
>setup (hd0)
my W2K menu entry is changed to:
title W2K
# map (hd2,hd0)
# map (hd0,hd2)
rootnoverify (hd0,0)
chainloader +1
makeactive
Then it boots OK.
I want to know, what is the problem with my first setup? Is it
supportted by GRUB?
And, it seems that GRUB can only handle 8 devices in total (not counting
/dev/fd0), so in my second setup, if set SCSI boot first, I cannot
access /dev/hda at all.
I just downloaded GRUB v0.93, but wondering how to get it installed over
the v0.92 I am currently using. Is there any changes that may make my
first setup works?
Best Regards,
Sampson Fung
A new comer to Kernel Testing.
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