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.kaluzh...@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 <swel...@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 <raj...@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.kaluzh...@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* >> >
