Gentoo Archives: gentoo-server

From: Ramon van Alteren <ramon@××××××××××.nl>
To: gentoo-server@l.g.o, fbsd@×××××××.se
Subject: Re: [gentoo-server] Can't mount root device (PERC 5/i)
Date: Mon, 26 Feb 2007 17:02:35
Message-Id: 45E311A2.2070501@vanalteren.nl
In Reply to: Re: [gentoo-server] Can't mount root device (PERC 5/i) by Patrik Jansson
1 Patrik Jansson wrote:
2 > Christian Affolter wrote:
3 > > Can you provide the SCSI/RAID related dmesg output from the live-CD?
4 > > Do you have a SCSI-CD Rom or an IDE/(S)ATA one?
5 > Ofcourse:
6 >
7 > megasas: 00.00.02.04 Fri Feb 03 14:31:44 PST 2006
8 > megasas: 0x1028:0x0015:0x1028:0x1f03: bus 2:slot 14:func 0
9 > ACPI: PCI Interrupt 0000:02:0e.0[A] -> GSI 78 (level, low) -> IRQ 19
10 > scsi2 : LSI Logic SAS based MegaRAID driver
11 > Vendor: FUJITSU Model: MAX3147RC Rev: D206
12 > Type: Direct-Access ANSI SCSI revision: 03
13 > Vendor: FUJITSU Model: MAX3147RC Rev: D206
14 > Type: Direct-Access ANSI SCSI revision: 03
15 > Vendor: DP Model: BACKPLANE Rev: 1.00
16 > Type: Enclosure ANSI SCSI revision: 05
17 > Vendor: DELL Model: PERC 5/i Rev: 1.00
18 > Type: Direct-Access ANSI SCSI revision: 05
19 > SCSI device sdb: 285474816 512-byte hdwr sectors (146163 MB)
20 > sdb: test WP failed, assume Write Enabled
21 > sdb: asking for cache data failed
22 > sdb: assuming drive cache: write through
23 > SCSI device sdb: 285474816 512-byte hdwr sectors (146163 MB)
24 > sdb: test WP failed, assume Write Enabled
25 > sdb: asking for cache data failed
26 > sdb: assuming drive cache: write through
27 > sdb: sdb1 sdb2 sdb3
28 > sd 2:2:0:0: Attached scsi disk sdb
29 >
30 > > Have you ever tried to use /dev/sda in your grub config and fstab (as
31 > > your kernel recognizes an sda SCSI disk) ?
32 >
33 > gregorcy wrote:
34 > > I had the same issue with the PERC 5i card and gentoo. What happened
35 > > was the LiveCD saw the drive as /dev/sdb but when I installed and then
36 > > rebooted it came up as /dev/sda. I just pointed my grub.conf at the
37 > > /dev/sda and it booted correctly.
38 >
39 > That has already been tried but thanks anyway. As I said in the first
40 > mail, at the point where the root device can't be mounted I may open a
41 > simple shell. And with that I can see /dev/sda and /dev/sdb but no
42 > numbers after (for partitions).
43 >
44 I remember having problems with Dell RAID controllers which were related
45 to the kernel-version.
46 The driver was offering both harddisks in the raid as devices, and
47 offering the RAID-device as the same device.
48 This confused the heck out of us at first as well....
49
50 Upgrading the kernel to >2.6.16 pulled in a newer driver and this solved
51 our problem.
52
53 Grtz Ramon
54 --
55 gentoo-server@g.o mailing list