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]
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