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From ilya <ilya.mailing.li...@gmail.com>
Subject Re: Need to ask for help again (Migration in cloudstack)
Date Tue, 05 Sep 2017 20:52:53 GMT
Personal experience with KVM (not cloudstack related) and non-shared
storage migration - works most of the time - but can be very slow - even
with 10G backplane.

On 9/5/17 6:27 AM, Marc-Aurèle Brothier wrote:
> Hi Dimitriy,
> 
> I wrote the PR for the live migration in cloudstack (PR 1709). We're using
> an older version than upstream so it's hard for me to fix the integration
> tests errors. All I can tell you, is that you should first configure
> libvirt correctly for migration. You can play with it by manually running
> virsh commands to initiate the migration. The networking part will not work
> after the VM being on the other machine if down manually.
> 
> Marc-Aurèle
> 
> On Tue, Sep 5, 2017 at 2:07 PM, Dmitriy Kaluzhniy <
> dmitriy.kaluzhniy@gmail.com> wrote:
> 
>> Hello,
>> That's what I want, thank you!
>> I want to have Live migration on KVM with non-shared storages.
>> As I understood, migration is performed by LibVirt.
>>
>> 2017-09-01 17:04 GMT+03:00 Simon Weller <sweller@ena.com.invalid>:
>>
>>> Dmitriy,
>>>
>>> Can you give us a bit more information about what you're trying to do?
>>> If you're looking for live migration on non shared storage with KVM,
>> there
>>> is an outstanding PR  in the works to support that:
>>>
>>> https://github.com/apache/cloudstack/pull/1709
>>>
>>> - Si
>>>
>>>
>>> ________________________________
>>> From: Rajani Karuturi <rajani@apache.org>
>>> Sent: Friday, September 1, 2017 4:07 AM
>>> To: dev@cloudstack.apache.org
>>> Subject: Re: Need to ask for help again (Migration in cloudstack)
>>>
>>> You might start with this commit
>>> https://github.com/apache/cloudstack/commit/
>> 21ce3befc8ea9e1a6de449a21499a5
>>> 0ff141a183
>>>
>>>
>>> and storage_motion_supported column in hypervisor_capabilities
>>> table.
>>>
>>> Thanks,
>>>
>>> ~ Rajani
>>>
>>> http://cloudplatform.accelerite.com/
>>>
>>> On August 31, 2017 at 6:29 PM, Dmitriy Kaluzhniy
>>> (dmitriy.kaluzhniy@gmail.com) wrote:
>>>
>>> Hello!
>>> I contacted this mail before, but I wasn't subscribed to mailing
>>> list.
>>> The reason I'm contacting you - I need advise.
>>> During last week I was learning cloudstack code to find where is
>>> implemented logic of this statements I found in cloudstack
>>> documentation:
>>> "(KVM) The VM must not be using local disk storage. (On
>>> XenServer and
>>> VMware, VM live migration with local disk is enabled by
>>> CloudStack support
>>> for XenMotion and vMotion.)
>>>
>>> (KVM) The destination host must be in the same cluster as the
>>> original
>>> host. (On XenServer and VMware, VM live migration from one
>>> cluster to
>>> another is enabled by CloudStack support for XenMotion and
>>> vMotion.)"
>>>
>>> I made up a long road through source code but still can't see
>>> it. If you
>>> can give me any advise - it will be amazing.
>>> Anyway, thank you.
>>>
>>> --
>>>
>>> *Best regards,Dmitriy Kaluzhniy+38 (073) 101 14 73*
>>>
>>
>>
>>
>> --
>>
>>
>>
>> *--С уважением,Дмитрий Калюжный+38 (073) 101 14 73*
>>
> 

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