[Xen-users] why my virtual server doesn't boot when I reboot Dom0?

[pl <pl@xxxxxxxxxxxx>]

Hi

I 've been installed xen-3.0.4_1 on scientific linux. Its works:

-----------------
[root@charon ~]# xm list
Name                                      ID   Mem VCPUs      State   
Time(s)
Domain-0                                   0   934     1     r-----     
20.8
-----------------

I 've build one virtual server.

-----------------
[root@charon ~]# xm create -c vmid=1
Using config file "/etc/xen/xmdefconfig".
Started domain alkaid
Bootdata ok (command line is root=/dev/sda1 ro )
Linux version 2.6.16.33-xen (root@xxxxxxxxxxxxxxxxxxxx
.........
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
rtc: IRQ 8 is not free.
Non-volatile memory driver v1.2
PNP: No PS/2 controller found. Probing ports directly.
i8042.c: No controller found.
RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize
loop: loaded (max 8 devices)
Xen virtual console successfully installed as tty1
Event-channel device installed.
netfront: Initialising virtual ethernet driver.
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx
Registering block device major 8
blkfront: sda1: barriers enabled
netfront: device eth0 has copying receive path.
mice: PS/2 mouse device common for all mice
md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: bitmap version 4.39
NET: Registered protocol family 2
IP route cache hash table entries: 32768 (order: 6, 262144 bytes)
TCP established hash table entries: 131072 (order: 9, 2097152 bytes)
TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
TCP: Hash tables configured (established 131072 bind 65536)
TCP reno registered
NET: Registered protocol family 1
NET: Registered protocol family 17
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
EXT2-fs warning (device sda1): ext2_fill_super: mounting ext3 filesystem 
as ext2
VFS: Mounted root (ext2 filesystem) readonly.
Warning: unable to open an initial console.
Restarting system.
[root@charon ~]#

[root@charon ~]# xm list
Name                                      ID   Mem VCPUs      State   
Time(s)
Domain-0                                   0   484     1     r-----     
26.4
alkaid                                     2   512     1     -b----     
12.1
[root@charon ~]#
-----------------


I can log to the console. I can log with ssh.

But when I reboot the system, Domain-0 works, but not the virtual 
server. I need to recreate the virtual server?
I 've created a xmdefconfig:

--------------------
def vmid_check(var, val):
      val = int(val)
      if val <= 0:
              raise ValueError
      return val

# Check othe defined variables have valid values..
xm_vars.var('vmid',
      use="Virtual machine id. Integer greater than 0.",
       check=vmid_check)
#Check the defined variables have valid values.. xm_vars.check()
xm_vars.check()

# General settings

if vmid == 1:
      name = "alkaid"
      # Kernel to use
      kernel = "/boot/vmlinuz-2.6.16.33-xen"
      # Memory in megabytes
      memory = 512
      # Root device
      root = "/dev/sda1 ro"
      # Don't forget to specify your bridge correctly here
      #vif = [ 'mac=FE:FF:FF:FF:FF:FF, bridge=br-xen' ]
      #vif = [ '' ]
      vif  = [ 'ip=xxx.xxx.xxx.xxx' ]
      # Disk
      disk = [ 'phy:vg_md1/lv1_md1 ,sda1,w' ]
      on_poweroff = 'destroy'
      on_reboot   = 'restart'
      on_crash    = 'restart'

--------------------

I put the file xmdeconfig in the auto directory:

-------
[root@charon xen]# ln -s xmdefconfig /etc/xen/auto/
------



I don't understand why my virtual server doesn't boot when I reboot Dom0?

Thanks for your help


Patrice

--
passerelle antivirus du campus CNRS de Montpellier
--



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