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xen-users
Re: [Xen-users] Xen 3.0.0 + RAID + LVM + CentOS = problem
Hello,
Yes, the disks are detected fine on the same devices (/dev/sda and
/dev/sdb) on both kernels (regular and Xen dom0 flavor).
Tom Brown wrote:
did it actually find your hard drives? e.g.
ide: Assuming 33MHz system bus speed for PIO modes; override with
idebus=xx
AMD7411: 00:07.1 (rev 01) UDMA100 controller
ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:DMA
hda: ST340016A, ATA DISK drive
hdb: ST380021A, ATA DISK drive
or in scsi flavour (appropriate to many SATA systems) ...
scsi2 : sata_sil
ata4: dev 0 cfg 49:2f00 82:7c6b 83:7f09 84:4003 85:7c69 86:3e01 87:4003
88:207f
ata4: dev 0 ATA, max UDMA/133, 320173056 sectors: lba48
ata4: dev 0 configured for UDMA/100
scsi3 : sata_sil
Vendor: ATA Model: Maxtor 6Y160M0 Rev: YAR5
Type: Direct-Access ANSI SCSI revision: 05
Vendor: ATA Model: Maxtor 6Y160M0 Rev: YAR5
Type: Direct-Access ANSI SCSI revision: 05
SCSI device sda: 488397168 512-byte hdwr sectors (250059 MB)
SCSI device sda: drive cache: write back
SCSI device sda: 488397168 512-byte hdwr sectors (250059 MB)
SCSI device sda: drive cache: write back
sda: sda1 sda2 sda3 sda4 < sda5 sda6 >
Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
SCSI device sdb: 488397168 512-byte hdwr sectors (250059 MB)
If not, then the xen kernel is either missing the drivers you
need or the initrd isn't right or...?
On Fri, 9 Dec 2005, [ISO-8859-1] Taneli Lepp� wrote:
Hello,
I installed CentOS 4.2 (RHEL4 based) on a server (P4 3.4, 4GB mem,
2 x 250GB SATA-drives). I've tried both official Xensource RPMs and
the CentOS RPMs posted by Aaron Weller, but I can't get neither to
work. I'm running LVM on top of software RAID1 (autostarted) and
it works fine on regular CentOS kernel, but the Xen dom0 kernel
doesn't boot. I get:
Loading dm-mod.ko module
device-mapper: 4.4.0-ioctl (2005-01-12) initialized
Loading md.ko module
md: md driver 0.98.1 MAX_MD_DEVS=256, MD_SB_DISKS=27
Loading raid1.ko module
md: raid1 personality registered as nr 3
Loading jbd.ko module
Loading ext3.ko module
Loading dm-mirror.ko module
Loading dm-zero.ko module
Loading dm-snapshot.ko module
raidautorun: RAID_AUTORUN failed: 19
raidautorun: RAID_AUTORUN failed: 19
Making device-mapper control mode
Scanning logical volumes
Reading all physical volumes. This may take a while...
No volume groups found
Activating logical volumes
Unable to find volume group "Storage"
ERROR: /bin/lvm exited abnormally! (pid 892)
Creating root device
Creating root filesystem
mount: error 6 mounting ext3
mount: error 2 mounting none
Switching to new root
switchroot: mount failed: 22
umount /initrd/dev failed: 2
Kernel panic - not syncing: Attempted to kill init!
And here it ends. The disks are detected fine under Xen as well,
so the problem seems to be RAID autorun. I found a post on some
mailinglist that advised to compile the RAID modules into the
kernel. I tried that but with the same results. I haven't tried
Xen 2.0 yet on this box, but I have another box with similar setup
(LVM on RAID1) with Xen 2.0 which works fine.
Any clues?
--
Taneli Lepp� | Crasman Co Ltd
<taneli@xxxxxxxxxx> | <http://www.crasman.fi/>
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----------------------------------------------------------------------
tbrown@xxxxxxxxxxxxx | Courage is doing what you're afraid to do.
http://BareMetal.com/ | There can be no courage unless you're scared.
| - Eddie Rickenbacker
--
Taneli Leppä | Crasman Co Ltd
<taneli@xxxxxxxxxx> | <http://www.crasman.fi/>
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