Re: Oracle RAC in libvirt+KVM environment

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Il 20/08/2013 13:43, Timon Wang ha scritto:
> Thanks, the whole iSCSI LUN have been passed to the VM.
> 
> But I test it with scsicmd, and found that the driver may be not
> support SPC-3, but if i use this by microsoft iscsi initiator, I can
> pass all the scsi3_test tests.

If you are passing the LUN to the VM with device='lun', the driver and
VMM do not interpret any SCSI command.  You should see exactly the same
data as in the host, which includes support for SPC-3:

>>> [root@localhost /]# sg_inq /dev/VM-IMAGES-BACKUP-DO-NOT-REMOVE/q_disk
>>> standard INQUIRY:
>>>   PQual=0  Device_type=0  RMB=0  version=0x05  [SPC-3]
>>>   [AERC=0]  [TrmTsk=0]  NormACA=0  HiSUP=0  Resp_data_format=0
>>>   SCCS=1  ACC=0  TPGS=1  3PC=0  Protect=0  [BQue=0]
>>>   EncServ=0  MultiP=0  [MChngr=0]  [ACKREQQ=0]  Addr16=0
>>>   [RelAdr=0]  WBus16=1  Sync=1  Linked=0  [TranDis=0]  CmdQue=1
>>>     length=36 (0x24)   Peripheral device type: disk
>>>  Vendor identification: MacroSAN
>>>  Product identification: LU
>>>  Product revision level: 1.0
>>>  Unit serial number: 0d9281ae-aea4-6da0-0000-02180142b300

Can you try using a Linux VM and executing sg_inq in the VM?

Paolo

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