I tried to execute the vdi-set-shareable-true.py script, that i have found
in the forum. But the result was not positive. I
got SR_OPERATION_NOT_SUPPORTED error.
[root@vmserver05 ~]# ./vdi-set-shareable-true.py -v
31e3186c-367f-4a87-b591-56844bb23420
FULL VDI entry = OpaqueRef:fda5a983-f234-c147-3ec9-99a20dfa76c7
{'sm_config': {'vdi_type': 'vhd'}, 'managed': True, 'snapshots': [],
'allowed_operations': ['resize_online', 'generate_config', 'resize',
'destroy', 'clone', 'copy'], 'on_boot': 'persist', 'name_description': '',
'read_only': False, 'uuid': '31e3186c-367f-4a87-b591-56844bb23420',
'storage_lock': False, 'name_label': 'teste', 'tags': [], 'location':
'31e3186c-367f-4a87-b591-56844bb23420', 'type': 'user', 'sharable': True,
'snapshot_time': <DateTime u'19700101T00:00:00Z' at -491c56b4>, 'parent':
'OpaqueRef:NULL', 'missing': False, 'xenstore_data': {'storage-type':
'lvm', 'scsi/0x12/0x80': 'AIAAEjMxZTMxODZjLTM2N2YtNGEgIA==',
'scsi/0x12/0x83':
'AIMAMQIBAC1YRU5TUkMgIDMxZTMxODZjLTM2N2YtNGE4Ny1iNTkxLTU2ODQ0YmIyMzQyMCA=',
'vdi-type': 'vhd', 'vdi-uuid': '31e3186c-367f-4a87-b591-56844bb23420'},
'crash_dumps': [], 'virtual_size': '1073741824', 'is_a_snapshot': False,
'current_operations': {}, 'snapshot_of': 'OpaqueRef:NULL', 'SR':
'OpaqueRef:439cb0a4-8f5e-eba1-6eaa-f2d7ec8827a0', 'other_config': {},
'physical_utilisation': '1082130432', 'allow_caching': False, 'VBDs':
['OpaqueRef:9d4f9e82-6b15-101d-3cec-46eea2a47359',
'OpaqueRef:9591ab93-0f12-b1a5-f92e-0817355d9988']}
FULL VBD entry = OpaqueRef:9d4f9e82-6b15-101d-3cec-46eea2a47359
{'userdevice': '4', 'runtime_properties': {}, 'allowed_operations':
['pause', 'unpause', 'plug', 'attach'], 'VDI':
'OpaqueRef:fda5a983-f234-c147-3ec9-99a20dfa76c7', 'uuid':
'd0a4ac7f-ae94-18b4-926b-628f31cea636', 'storage_lock': False,
'qos_supported_algorithms': [], 'status_code': '0', 'type': 'Disk',
'empty': False, 'VM': 'OpaqueRef:71dd55e9-2e0e-2e4c-bd7d-ece5d9742b3c',
'status_detail': '', 'metrics':
'OpaqueRef:2f6af1e3-fa0c-c438-6765-dc41978066fc', 'device': '',
'qos_algorithm_type': '', 'unpluggable': True, 'current_operations': {},
'bootable': False, 'other_config': {}, 'currently_attached': False, 'mode':
'RW', 'qos_algorithm_params': {}}
FULL VBD entry = OpaqueRef:9591ab93-0f12-b1a5-f92e-0817355d9988
{'userdevice': '2', 'runtime_properties': {}, 'allowed_operations':
['pause', 'unpause', 'plug', 'attach'], 'VDI':
'OpaqueRef:fda5a983-f234-c147-3ec9-99a20dfa76c7', 'uuid':
'81ed397c-48f2-6bc5-c393-1fefc5645f30', 'storage_lock': False,
'qos_supported_algorithms': [], 'status_code': '0', 'type': 'Disk',
'empty': False, 'VM': 'OpaqueRef:a07bf61b-d4bb-ab23-617e-f2d97771ed92',
'status_detail': '', 'metrics':
'OpaqueRef:3c5a3156-0144-ecdb-d07d-0b349a568b87', 'device': 'xvdc',
'qos_algorithm_type': '', 'unpluggable': True, 'current_operations': {},
'bootable': False, 'other_config': {'owner': 'true'}, 'currently_attached':
False, 'mode': 'RW', 'qos_algorithm_params': {}}
ERROR: failed to re-introduce the VDI. unrecoverable error.
Traceback (most recent call last):
File "./vdi-set-shareable-true.py", line 132, in ?
main()
File "./vdi-set-shareable-true.py", line 129, in main
fixup_vdi(options, session)
File "./vdi-set-shareable-true.py", line 70, in fixup_vdi
vdi_data['sm_config'])
File "/usr/lib/python2.4/site-packages/XenAPI.py", line 229, in __call__
return self.__send(self.__name, args)
File "/usr/lib/python2.4/site-packages/XenAPI.py", line 133, in
xenapi_request
result = _parse_result(getattr(self, methodname)(*full_params))
File "/usr/lib/python2.4/site-packages/XenAPI.py", line 203, in
_parse_result
raise Failure(result['ErrorDescription'])
XenAPI.Failure: ['SR_OPERATION_NOT_SUPPORTED',
'OpaqueRef:439cb0a4-8f5e-eba1-6eaa-f2d7ec8827a0']
On Sat, May 19, 2012 at 9:17 AM, Carlos Eduardo Tavares Terra <
eduardo.te...@gmail.com> wrote:
> Mike,
>
> I have tried to do what you said, but I have got an error.
>
> My steps:
>
> [root@vmserver05 ~]# xe sr-param-list
> uuid=81a9d5c1-f0a8-ecfb-28b0-59154f2b70df
> uuid ( RO) : 81a9d5c1-f0a8-ecfb-28b0-59154f2b70df
> name-label ( RW): VMDATA02_RAID10
> name-description ( RW): iSCSI SR [172.30.1.101
> (iqn.1984-05.com.dell:powervault.md3200i.6782bcb00006b020000000004d41e117)]
> host ( RO): <shared>
> allowed-operations (SRO): forget; VDI.create; VDI.snapshot; plug;
> update; destroy; VDI.destroy; scan; VDI.clone; VDI.resize; unplug
> current-operations (SRO):
> VDIs (SRO): 6fc452d3-7381-4416-a2c9-71e526261c40
> PBDs (SRO): 0aee7f9b-3171-f2cf-c3a4-929bb538b247;
> d3d748b6-574b-598e-5c43-3e4e79c73515; 04e035ba-781c-7c6d-c54b-97b589bc985b;
> cfbe9adc-e233-5f2d-d798-058815a247d0; 5badfa05-dd7c-3b90-7fde-01c2ea7483e9
> virtual-allocation ( RO): 1073741824
> physical-utilisation ( RO): 1077936128
> physical-size ( RO): 600016158720
> type ( RO): lvmoiscsi
> content-type ( RO):
> shared ( RW): true
> other-config (MRW):
> sm-config (MRO): allocation: thick; use_vhd: true;
> multipathable: true; devserial: scsi-36782bcb000069cb1000003724df80c1e
> blobs ( RO):
> local-cache-enabled ( RO): false
> tags (SRW):
>
> [root@vmserver05 ~]# xe vdi-create
> sr-uuid=81a9d5c1-f0a8-ecfb-28b0-59154f2b70df name-label=teste
> virtual-size=1GiB type=user sm-config:type=raw sharable=true
> 782f2e7b-77d4-4590-b5c4-d2d473c6b63f
>
> Then I have attached this disk in 2 VMs using XenCenter. The VBDs were
> created, as display here:
>
> [root@vmserver05 ~]# xe vdi-param-list
> uuid=782f2e7b-77d4-4590-b5c4-d2d473c6b63f
> uuid ( RO) : 782f2e7b-77d4-4590-b5c4-d2d473c6b63f
> name-label ( RW): teste
> name-description ( RW):
> is-a-snapshot ( RO): false
> snapshot-of ( RO): <not in database>
> snapshots ( RO):
> snapshot-time ( RO): 19700101T00:00:00Z
> allowed-operations (SRO): resize_online; clone
> current-operations (SRO):
> sr-uuid ( RO): 81a9d5c1-f0a8-ecfb-28b0-59154f2b70df
> sr-name-label ( RO): VMDATA02_RAID10
> * vbd-uuids (SRO): c56c23da-85eb-5ae8-a413-18da3d8870b3;
> 5ca07308-d296-37d9-a715-475453126949*
> crashdump-uuids (SRO):
> virtual-size ( RO): 1073741824
> physical-utilisation ( RO): 1073741824
> location ( RO): 782f2e7b-77d4-4590-b5c4-d2d473c6b63f
> type ( RO): User
> sharable ( RO): true
> read-only ( RO): false
> storage-lock ( RO): false
> managed ( RO): true
> parent ( RO): <not in database>
> missing ( RO): false
> other-config (MRW):
> xenstore-data (MRO): vdi-type: aio; storage-type: lvm;
> scsi/0x12/0x83:
> AIMAMQIBAC1YRU5TUkMgIDc4MmYyZTdiLTc3ZDQtNDU5MC1iNWM0LWQyZDQ3M2M2YjYzZiA=;
> scsi/0x12/0x80: AIAAEjc4MmYyZTdiLTc3ZDQtNDUgIA==; vdi-uuid:
> 782f2e7b-77d4-4590-b5c4-d2d473c6b63f
> sm-config (MRO):
> host_OpaqueRef:52a45c20-d88f-5869-7f7b-318b17833721: RW; type: raw;
> vdi_type: aio
> on-boot ( RW): persist
> allow-caching ( RW): false
> tags (SRW):
>
>
> But I could activate (plug) only one of them. When I try to plug on both
> of them I get this error:
>
> [root@vmserver05 ~]# xe vbd-plug uuid=c56c23da-85eb-5ae8-a413-18da3d8870b3
> Error code: SR_BACKEND_FAILURE_46
> Error parameters: , The VDI is not available [opterr=VDI
> 782f2e7b-77d4-4590-b5c4-d2d473c6b63f already attached RW],
>
> Is there any parameter am I missing?
>
> On Fri, May 18, 2012 at 10:58 AM, Mike McClurg <mike.mccl...@citrix.com>wrote:
>
>> On 18/05/12 11:49, Carlos Eduardo Tavares Terra wrote:
>>
>>> Do I need to do any special configuration in XCP 1.1 or in the SRs to be
>>> capable of sharing a VDI between two virtual machines?
>>> Is it possible to do in XCP?
>>>
>>
>> You could possibly do this if only one VM attaches the disk RW, but you
>> should definitely not do this if you want more than one of the VMs to
>> attach the disk RW. For that, you should use something like NFS instead.
>>
>> To share a VDI, create a new vbd to connect the second VM to the VDI. Do
>> 'xe help vbd-create' for docs.
>>
>> Mike
>>
>>
>
>
> --
> Carlos Eduardo Tavares Terra
> Red Hat Certified Engineer
> Consultor em Infraestrutura de TI
> GNU/Linux #413291 [http://counter.li.org]
>
--
Carlos Eduardo Tavares Terra
Red Hat Certified Engineer
Consultor em Infraestrutura de TI
GNU/Linux #413291 [http://counter.li.org]
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