[Engine-devel] Live storage migration status in oVirt 3.2

[Livnat Peer]

On 01/13/2013 04:23 PM, Shu Ming wrote:
> 于 2013-1-11 19:07, Daniel Erez 写道:
>>
>> ----- Original Message -----
>>> From: "Shu Ming" <shuming at linux.vnet.ibm.com>
>>> To: engine-devel at ovirt.org, "VDSM Project Development"
>>> <vdsm-devel at lists.fedorahosted.org>
>>> Cc: "Federico Simoncelli" <fsimonce at redhat.com>, derez at redhat.com
>>> Sent: Friday, January 11, 2013 2:45:47 AM
>>> Subject: Live storage migration status in oVirt 3.2
>>>
>>> Hi,
>>>
>>> I am reviewing the live storage migration with my oVirt environment
>>> updated from the public nightly repository two weeks ago.  I found
>>> that
>>> the "move" button was still gray as before when the VM was up.  Only
>>> after I deactivated the disk, did the button become into non-gray
>>> state.
>>>   I am wondering if the live storage migration will be supported in
>>>   oVirt
>>> 3.2 release or not.
>>>
>>> BTW: These patches below should enable the live storage migration
>>> already, but I can not see  it enabled in my engine.
>>>
>>> http://gerrit.ovirt.org/5252  Change I91e641cb: pool: live storage
>>> migration implementation
>>>
>>> http://gerrit.ovirt.org/8105  Change subject: core: Live Storage
>>> Migration commands
>>> http://gerrit.ovirt.org/8103  Change subject: core: VDS Commands for
>>> Live Storage Migration
>>> http://gerrit.ovirt.org/8102  Change subject: core: Adding VDSM API
>>> for
>>> Live Storage Migration
>>> http://gerrit.ovirt.org/8470  Change subject: webadmin: Adding Live
>>> Storage Migration support
>>> http://gerrit.ovirt.org/8857 core: disable LiveStorageMigration on
>>> 3.1
>>>
>>> -- 
>>> ---
>>> 舒明 Shu Ming
>>> Open Virtualization Engineerning; CSTL, IBM Corp.
>>> Tel: 86-10-82451626  Tieline: 9051626 E-mail: shuming at cn.ibm.com or
>>> shuming at linux.vnet.ibm.com
>>> Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian
>>> District, Beijing 100193, PRC
>>>
>> Hi Shu,
>>
>> When a VM is up, the "move" button is enabled only for Data Center
>> version 3.2.
>> Can you please verify that the selected disk resides on a 3.2 Data
>> Center?
> 
> I checked my data center compatibility version is 3.1.  However, it is
> interesting that the compatibility version of the cluster in the data
> center is 3.2  Does the data center allow a higher version cluster?  

Clusters can have higher versions than the DC itself.
Actually in order to upgrade the DC level you first need to upgrade all
the clusters in the DC.

For storage live migration we require DC level 3.2 which implies that
all cluster in that DC are also 3.2.


> I
> will try to upgrade the data center version and try the migration again.
> 
>>
>> Best Regards,
>> Daniel
>>
>>>
> 
>