[Xen-users] Re: xen 2.0/3.0 pb with SW-RAID

[Robbie Dinn <robbie@xxxxxxxxxxxx>]

Fred Blaise wrote:
> No one? :'(
OK, I'll have a go.

Fred Blaise wrote:
> I am running sles9, with no service pack. The server is a relion320,
> with 6 HDD UltraATA.
I am not familiar with your hardware or disk layout.
In your original email you posted the dmesg output for
the broken xen boot. Good. But it might also be
helpfull to seen the dmesg output when you boot the
machine with a non Xen kernel. That way we can see how
it behaves when it is booting correctly. Find the difference
between the two cases, and maybe we find the fix...

Looking through the dmesg output I can see you have...

Fred Blaise's dmesg:
> > Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
> > ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
> > ICH3: IDE controller at PCI slot 0000:00:1f.1
> > PCI: Enabling device 0000:00:1f.1 (0005 -> 0007)
> > PCI: Obtained IRQ 18 for device 0000:00:1f.1
> > ICH3: chipset revision 2
> > ICH3: not 100% native mode: will probe irqs later
> >     ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:pio
> >     ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:DMA
> > Probing IDE interface ide0...
> > hda: ST3120026A, ATA DISK drive
> > ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> > Probing IDE interface ide1...
> > hdc: ST3120026A, ATA DISK drive
> > hdd: SAMSUNG CD-R/RW DRIVE SW-252F, ATAPI CD/DVD-ROM drive
> > ide1 at 0x170-0x177,0x376 on irq 15
> > Probing IDE interface ide2...
> > Probing IDE interface ide3...
> > Probing IDE interface ide4...
> > Probing IDE interface ide5...
> > hda: max request size: 1024KiB
> > hda: 234441648 sectors (120034 MB) w/8192KiB Cache, CHS=16383/255/63, UDMA(100)
> > hda: cache flushes supported
> >  hda: hda1 hda2 hda3 < hda5 >
> > hdc: max request size: 1024KiB
> > hdc: 234441648 sectors (120034 MB) w/8192KiB Cache, CHS=16383/255/63, UDMA(33)
> > hdc: cache flushes supported
> >  hdc: hdc1
> > hdd: ATAPI 1X CD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33)
> > Uniform CD-ROM driver Revision: 3.20
.. what looks like three IDE devices, hda (ST3120026A),
hdc (another ST3120026A), hdd (CD-ROM drive).

What are the 6 HDD ultra ATA ? Do you mean the interfaces ide0 through
ide5? or are there 6 addition disk drives that have not been recognised?

> > Red Hat/Adaptec aacraid driver (1.1.2-lk2 Aug  4 2005)
> > 3ware Storage Controller device driver for Linux v1.26.02.000.
> > libata version 1.10 loaded.
> > Fusion MPT base driver 3.01.18
> > Copyright (c) 1999-2004 LSI Logic Corporation
> > Fusion MPT SCSI Host driver 3.01.18
Hmm, these are drivers for other disk interface cards aren't they?
Which of these, if any, are actually being used?
If we are using aacraid driver (hardware RAID) then we probably
don't want to bother with the md (software RAID) drivers.

> > md: raid0 personality registered as nr 2
> > md: raid1 personality registered as nr 3
> > md: raid5 personality registered as nr 4
> > raid5: automatically using best checksumming function: pIII_sse
> >    pIII_sse  :  2697.200 MB/sec
> > raid5: using function: pIII_sse (2697.200 MB/sec)
> > md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27
> > device-mapper: 4.4.0-ioctl (2005-01-12) initialised: dm-devel@xxxxxxxxxx
You have the sofware raid5 module loaded, good.

> > ReiserFS: hdc1: found reiserfs format "3.6" with standard journal
> > ReiserFS: hdc1: using ordered data mode
> > ReiserFS: hdc1: journal params: device hdc1, size 8192, journal first block 18, 
> > max trans len 1024, max batch 900, max commit age 30, max trans age 30
> > ReiserFS: hdc1: checking transaction log (hdc1)
> > ReiserFS: hdc1: Using r5 hash to sort names
> > VFS: Mounted root (reiserfs filesystem).
so /dev/hdc1 is your root partition and it has been mounted correctly.

> > Adding 1052248k swap on /dev/hda2.  Priority:42 extents:1
And you have swap too, good.

> > md: could not open unknown-block(33,1).
> > md: autostart failed!
> > md: Autodetecting RAID arrays.
> > md: autorun ...
> > md: ... autorun DONE.
robbie@adler:~> ls -l /dev/hde1
brw-rw----  1 root disk 33, 1 2005-03-19 19:36 /dev/hde1
robbie@adler:~>

so block device 33,1 is /dev/hde1

I didn't see /dev/hde appear in your dmesg, so we need
to try to get the dom0 kernel to find that device and
possibly others too.

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