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Old 01-31-2004, 01:05 PM   #1
LQ Newbie
Registered: Dec 2002
Location: Belgium
Distribution: Suse 8.1
Posts: 14

Rep: Reputation: 0
Unhappy Problem booting server with Suse 8.1 and RAID adapter.


I have this problem.

We have a linux server that we rebooted last week. When coming up again it failed to boot.
The RAID utility reported (while trying to boot)
Primary Channel
Drive 0 not found
Drive 1 not found
Secondary Channel
Drive 0 not found
Drive 1 not found

I'll try and describe my configuration.

OS: Suse 8.1
kernel (uname -r)= 2.4.19-4GB

2 Maxtor 40 GB harddiscs in RAID 1 on a CMD ATA100 (Rev:A 000929) adapter plugged into PCI slot 1 with this info on the chip: SiI0649CL160.

in the other PCI slot: a network card.

Mobo: P4S5MG/GL/651

All this worked perfectly up to then as a LTSP terminal server, file, web, database server.

I tried booting the installed OS by selecting it from the list on the Suse CD.
Grub gives me: Unable to load stage 2
I also tried to connect one of the drives directly on the IDE1 slot , but then I'm also unable to boot.

With the Suse installation CD, I booted the resque system (= boot from CD)
and performed these commands:
00:00.0 Class 0600: 1039:0650 (rev 01)
00:01.0 Class 0604: 1039:0001
00:02.0 Class 0601: 1039:0008
00:02.2 Class 0c03: 1039:7001 (rev 07)
00:02.3 Class 0c03: 1039:7001 (rev 07)
00:02.5 Class 0101: 1039:5513 (rev d0)
00:02.7 Class 0401: 1039:7012 (rev a0)
00:03.0 Class 0200: 1039:0900 (rev 90)
00:09.0 Class 0104: 1095:0609 (rev 02)
00:0b.0 Class 0200: 10ec:8139 (rev 10)
01:00.0 Class 0300: 1039:6325

VFS: Mounted root (ext2 filesystem) readonly.
Trying to move old root to /initrd ... failed
Unmounting old root
Trying to free ramdisk memory ... okay
Freeing unused kernel memory: 152k freed
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.

Can anyone help me on this one?
Perhaps give me some other commands to further diagnose the problem.

PS: be gentle on me. I'm a
Old 05-02-2004, 05:45 AM   #2
LQ Newbie
Registered: Dec 2002
Location: Belgium
Distribution: Suse 8.1
Posts: 14

Original Poster
Rep: Reputation: 0
Thumbs up Hardware problem SOLVED

Hello all,

I'm posting this to let everyone know that this problem is solved so that others can learn from my 'mistakes'.
This problem actually turned out to be a hardware problem. The power supply was to weak/flaky. Here's an advice to everyone: always choose a good power supply.
Problems with the power supply are hard to detect / notice. I don't think there's a way to check this from within your OS (it also depends on your make of motherboard I suppose).
Anyway, a reboot command issued to the server made it shutdown, but not power-up again and in the process somehow corrupting my data.
Another possibilty for the loss of data is that someone might have forgot to umount a partition.

So, anyone reading here can correct me on this. This is just my view on the problem.

Because I had a RAIDed HDD I was able to recover all of my data to a newly installed OS.


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