Il giorno lun, 22/08/2011 alle 10.00 +0100, Ian Campbell ha scritto:
[...]
> @Giuseppe:
>
> Can you confirm the versions of the xen and qemu-dm packages which you
> have got installed please.
$ COLUMNS=120 dpkg -l \*linux-image\* \*qemu-\* | grep ^ii
ii linux-image-2.6.32-5-xen 2.6.32-35 Linux 2.6.32 for modern
PCs, Xen dom0 support
ii linux-image-xen-686 2.6.32+29 Linux for modern PCs
(meta-package), Xen dom0 support
ii qemu-keymaps 0.12.5+dfsg-3squeeze1 QEMU keyboard maps
ii qemu-system 0.12.5+dfsg-3squeeze1 QEMU full system
emulation binaries
ii qemu-utils 0.12.5+dfsg-3squeeze1 QEMU utilities
ii xen-qemu-dm-4.0 4.0.1-2 Xen Qemu Device Model
virtual machine hardware emulator
> Also I think it would be useful to see the guest configuration file and
> details of the storage (filesystems, SCSI controllers etc) backing the
> guest storage which you have got configured.
I do host two VM:
1.
kernel = "/usr/lib/xen-default/boot/hvmloader"
builder='hvm'
memory = 1024
shadow_memory = 8
name = "piero"
#vif = [ 'mac=00:16:3e:6f:81:0a, type=ioemu, bridge=dummy0' ]
vif = [ 'type=ioemu, bridge=dummy0' ]
disk = [ 'phy:mapper/rootvg-piero--disk,hda,w' ]
device_model = '/usr/' + arch_libdir + '/xen-default/bin/qemu-dm'
2.
kernel = "/usr/lib/xen-default/boot/hvmloader"
builder='hvm'
memory = 512
shadow_memory = 8
name = "suse"
vif = [ 'mac=00:16:3e:6f:81:0a, type=ioemu, bridge=dummy0' ]
disk = [ 'phy:mapper/rootvg-suse32--disk,hda,w' ]
device_model = '/usr/' + arch_libdir + '/xen-default/bin/qemu-dm'
Xen is really version 4:
$ ls -ld /usr/lib/xen-* /etc/alternatives/xen-default
lrwxrwxrwx 1 root root 16 4 gen 2011 /etc/alternatives/xen-default ->
/usr/lib/xen-4.0
drwxr-xr-x 5 root root 4096 3 gen 2011 /usr/lib/xen-4.0
drwxr-xr-x 3 root root 4096 9 dic 2010 /usr/lib/xen-common
lrwxrwxrwx 1 root root 29 4 gen 2011 /usr/lib/xen-default ->
/etc/alternatives/xen-default
storage for both machines is on LVM: two volumes on the same volume
group rootvg. rootvg have one physical volume: a raid1 md0 built with
two SATA disks connected to the same controller.
centrum:~# vgs
VG #PV #LV #SN Attr VSize VFree
rootvg 1 13 0 wz--n- 370,35g 121,07g
centrum:~# pvs
PV VG Fmt Attr PSize PFree
/dev/md2 rootvg lvm2 a- 370,35g 121,07g
centrum:~# cat /proc/mdstat
Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md2 : active raid1 sda3[0] sdb3[1]
388339136 blocks [2/2] [UU]
md1 : active raid1 sda2[0] sdb2[1]
264960 blocks [2/2] [UU]
md0 : active raid1 sda1[0] sdb1[1]
2102464 blocks [2/2] [UU]
unused devices: <none>
centrum:~# cat
/sys/devices/pci0000:00/0000:00:12.0/host4/target4:0:0/4:0:0:0/model
SAMSUNG HD403LJ
centrum:~# cat
/sys/devices/pci0000:00/0000:00:12.0/host2/target2:0:0/2:0:0:0/model
SAMSUNG HD403LJ
Bye,
Giuseppe
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