Hello,
I use Xen-API to manage may virtual machines. But sometimes something
goes wrong and I gen an undestroyable VM.
"xm list" shows no domain id for this virtual machine, so, I guess, it
doesn't take hardware resources.
# xm list
Name ID Mem VCPUs State Time(s)
Domain-0 0 459 4 r----- 508.0
vm-1 160 1 0.3
That seems normal for any domain which is created with Xen-API and not running.
But a "normal" domain can be destroyed with Xen-API VM.destroy() call. When
xm is configured to use Xen-API it shows:
# xm list
Name ID Mem VCPUs State Time(s)
Domain-0 0 459 4 r----- 0.0
vm-1 -1 0 0 ------ 0.0
# xm destroy vm-1
# xm list
Name ID Mem VCPUs State Time(s)
Domain-0 0 459 4 r----- 0.0
vm-1 -1 0 0 ------ 0.0
The same with my own test script:
Logging-in to the Xen-API server... OK
Calling VM.get_by_name_label(session, 'vm-1')... got:
vms=['792ef852-0998-997d-2702-7f77446a0404']
Calling VM.get_record(session, '792ef852-0998-997d-2702-7f77446a0404')... got:
{'PV_args': '/dev/hda2 ro', 'VIFs': ['f4e3293f-6788-9d4d-531f-c0d1a58e2ed5'],
'PV_bootloader': '', 'VTPMs': [], 'domid': '-1', 'name_description': 'vm-1',
'PCI_bus': '', 'actions_after_crash': 'preserve', 'uuid':
'792ef852-0998-997d-2702-7f77446a0404', 'PV_ramdisk':
'/etc/vm/images/1.3r5136/initramfs.cpio', 'is_control_domain': False,
'name_label': 'vm-1', 'VCPUs_at_startup': '1', 'HVM_boot_params': {},
'platform': {'rtc_timeoffset': '0'}, 'PV_kernel':
'/etc/vm/images/1.3r5136/vmlinuz', 'power_state': 'Halted', 'VCPUs_params':
{}, 'memory_static_min': '167772160', 'HVM_boot_policy': '', 'VCPUs_max': '1',
'memory_static_max': '167772160', 'actions_after_shutdown': 'restart',
'tools_version': {}, 'metrics': '21a3141e-bafc-bcad-3ac7-6357ec34b932',
'memory_dynamic_max': '167772160', 'user_version': '1',
'actions_after_suspend': 'restart', 'is_a_template': False,
'memory_dynamic_min': '167772160', 'PV_bootloader_args': '', 'other_config':
{}, 'auto_power_on': False, 'consoles':
['0e750b42-a6fd-2b5f-0805-d1133af28452'], 'actions_after_reboot': 'restart',
'resident_on': '06109400-eef7-e403-d0ab-86a676244ab9', 'VBDs':
['85bacdde-24bd-f228-d947-f7ca18f4868f',
'97d740e5-2184-52a8-5fa6-69b14e543b60',
'550142de-480b-0d13-3d60-409c14154ee4']}
Calling VM.destroy(session, '792ef852-0998-997d-2702-7f77446a0404')... OK
Calling VM.get_by_name_label(session, 'vm-1')... got:
vms=['792ef852-0998-997d-2702-7f77446a0404']
Calling VM.get_record(session, '792ef852-0998-997d-2702-7f77446a0404')... got:
{'PV_args': '/dev/hda2 ro', 'VIFs': ['f4e3293f-6788-9d4d-531f-c0d1a58e2ed5'],
'PV_bootloader': '', 'VTPMs': [], 'domid': '-1', 'name_description': 'vm-1',
'PCI_bus': '', 'actions_after_crash': 'preserve', 'uuid':
'792ef852-0998-997d-2702-7f77446a0404', 'PV_ramdisk':
'/etc/vm/images/1.3r5136/initramfs.cpio', 'is_control_domain': False,
'name_label': 'vm-1', 'VCPUs_at_startup': '1', 'HVM_boot_params': {},
'platform': {'rtc_timeoffset': '0'}, 'PV_kernel':
'/etc/vm/images/1.3r5136/vmlinuz', 'power_state': 'Halted', 'VCPUs_params':
{}, 'memory_static_min': '167772160', 'HVM_boot_policy': '', 'VCPUs_max': '1',
'memory_static_max': '167772160', 'actions_after_shutdown': 'restart',
'tools_version': {}, 'metrics': '21a3141e-bafc-bcad-3ac7-6357ec34b932',
'memory_dynamic_max': '167772160', 'user_version': '1',
'actions_after_suspend': 'restart', 'is_a_template': False,
'memory_dynamic_min': '167772160', 'PV_bootloader_args': '', 'other_config':
{}, 'auto_power_on': False, 'consoles':
['0e750b42-a6fd-2b5f-0805-d1133af28452'], 'actions_after_reboot': 'restart',
'resident_on': '06109400-eef7-e403-d0ab-86a676244ab9', 'VBDs':
['85bacdde-24bd-f228-d947-f7ca18f4868f',
'97d740e5-2184-52a8-5fa6-69b14e543b60',
'550142de-480b-0d13-3d60-409c14154ee4']}
How can I get rid of such domain without rebooting the machine or restarting
xend?
Greets,
Jacek
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