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Old 08-07-2005, 01:43 PM   #1
netmanw00t
LQ Newbie
 
Registered: Jul 2004
Location: Lombard, IL
Distribution: SuSE 9.3
Posts: 8

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LILO and PCI Raid Troubles


I recently purchased and installed an PCI ATA RAID card. For whatever reason, Linux uses the RAID card's IDE channels as /dev/ide0 and /dev/ide1 and has bumped the motherboard's IDE channels down to /dev/ide2 and /dev/ide3. Along with this change, the hard drives were renumbered, with my old hda and hdb being moved to hde and hdf. The RAID disks are hda and hdc.

Now this is all fine, all I had to do was edit my /etc/fstab and /etc/lilo.conf accordingly and everything ran smoothly again. The problem came a month later when I added a hard drive. I rearranged the drives connected to the motherboard so that my DVD burner was the primary slave (no primary master) and my two large hard drives were the secondary master and slave (so the burner is hde and the disks are hdg and hdh now). When I edited my /etc/lilo.conf and reran lilo, upon rebooting, the LILO menu wouldn't come up and instead printed L 99 99 ... over and over again. Consulting the man page did little good - it basically says that the system's config differs from what the /boot/map file says it should be.

After several hours of tinkering and dozens of reboots, I figured out that it was the RAID card that was the cause of my troubles. If I removed the RAID card and ran LILO (via a rescue disk), and then reinserted the RAID card and rebooted, everything works fine. What I'd like to know is how I can run LILO normally, without having to pull all these shenanigans.

I tried adding a section like this to lilo.conf (and several variations thereof), but it did no good and instead caused lilo to display L 01 01 ... which means "invalid disk command" was reported by the BIOS.
--
disk = /dev/hdf
bios = 0x80
disk = /dev/hdg
bios = 0x81
disk = /dev/hdh
bios = 0x82
--

As an aside, the RAID card doesn't actually work as a RAID card under Linux due (presumably) to driver issues; it just appears as two more IDE controllers, and then I use software RAID to access the data on the drives. The reason I have the RAID card is so Windows can use it and put its pagefile on it, and it does work fine as a RAID card under Windows. *shrug*

Also, I have LILO installed to a floppy, simply because LILO and the Windows 2003 bootloader don't play nicely with each other and this setup allows me to easily boot both.

Thank you very much for any help you can provide.

Here's the info on my system:

lilo.conf:
----
message = /boot/message
timeout = 80
prompt
default = SuSE-93
boot = /dev/fd0

image = /boot/vmlinuz
label = SuSE-93
initrd = /boot/initrd
root = /dev/hdh5
append = "resume=/dev/hdh11 selinux=0 splash=verbose console=tty0"
vga = 0x346

image = /boot/vmlinuz
label = 93-Single
initrd = /boot/initrd
root = /dev/hdh5
vga = 0x346
append = "-s selinux=0 splash=verbose console=tty0"

image = /boot/vmlinuz
label = 93-Failsafe
initrd = /boot/initrd
root = /dev/hdh5
vga = normal
append = "showopts ide=nodma apm=off acpi=off noresume selinux=0 barrier=off iommu=noforce maxcpus=0 3"

#other = /dev/hdg
# label = Windows

image = /boot/memtest.bin
label = Memory_Test
optional
----

hard drives:
-- RAID card:
/dev/hda - old 8.4GB Quantum Fireball
/dev/hdb - none
/dev/hdc - old 8.4GB Quantum Fireball
/dev/hdd - none

-- Motherboard:
/dev/hde - none
/dev/hdf - NEC DVD burner
/dev/hdg - 120GB Hitachi DeskStar (used for Windows partitions)
/dev/hdh - 250GB Seagate Barracuda (used for Linux partitions)
 
  


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