Anyone has any clue about that?

I really don't know what is missing in SR to support shareable VDIs....

On Sat, May 19, 2012 at 11:17 PM, Carlos Eduardo Tavares Terra <
eduardo.te...@gmail.com> wrote:

> 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]
>



-- 
Carlos Eduardo Tavares Terra
Red Hat Certified Engineer
Consultor em Infraestrutura de TI
GNU/Linux #413291 [http://counter.li.org]
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