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 Virtualizor KVM VPS live migration (7 Replies, Read 3800 times)
rajwebhost
Group: NOC
Post Group: Newbie
Posts: 2
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Hi,

I want to know that is it possible to migrate Virtualizor KVM VPS in live without any downtime. I know that virtualitor shut down the vps when starting the migration process. Another question here is, If I turn on the vps after starting the migration what  issue can occur? Won't it work after migration if I turn on it after starting the migration? Please let me know. Thanks.

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Virtualizor KVM VPS live migration
wolke
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Post Group: Elite Member
Posts: 414
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If you turn on the vps during a migration, the migration will fail.
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Virtualizor KVM VPS live migration
wolke
Group: NOC
Post Group: Elite Member
Posts: 414
Status:
For a live migration you would need shared storage like nfs. KVM would be able to do this as then it is only a question of transferring the config file from one host to another, but Virtualizor currently does not support it.
That could be a good suggestion I believe.
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Virtualizor KVM VPS live migration
fleetinfo
Group: Member
Post Group: Newbie
Posts: 4
Status:
Quote From : wolke December 3, 2019, 9:34 pm
For a live migration you would need shared storage like nfs. KVM would be able to do this as then it is only a question of transferring the config file from one host to another, but Virtualizor currently does not support it.
That could be a good suggestion I believe.


hi so GFS is not a possible scénario with virtualizor?  we where in the process of deploying Virtualizor and where under impression HA cluster was allowing the GFS2 Shared storage on multiple host.

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Virtualizor KVM VPS live migration
jevingala
Group: Virtualizor Team
Post Group: Super Member
Posts: 632
Status:
Hi,

Live migration is supported in 3.0.6 version (yet to be stable.)
You can try using GFS with Virtualizor.
Assuming its available across servers under /etc/libvirt and vps storage path, you can use it for HA.

Are you trying this on a test setup ?

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Virtualizor KVM VPS live migration
fleetinfo
Group: Member
Post Group: Newbie
Posts: 4
Status:
Quote From : jevingala May 4, 2021, 8:04 am
Hi,

Live migration is supported in 3.0.6 version (yet to be stable.)
You can try using GFS with Virtualizor.
Assuming its available across servers under /etc/libvirt and vps storage path, you can use it for HA.

Are you trying this on a test setup ?


hi yes i have created a lab with Shared SAS storage HPE array. so my next step is to upgrade to beta 3.0.6, can you point me the procedure to upgrade from 3.0.5 to 3.0.6

my GFS storage is actually mounted in Virtualizor as : filepatch under /ClusterFS

is this correct ?
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Virtualizor KVM VPS live migration
fleetinfo
Group: Member
Post Group: Newbie
Posts: 4
Status:
and yes the HA cluster is created
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Virtualizor KVM VPS live migration
jevingala
Group: Virtualizor Team
Post Group: Super Member
Posts: 632
Status:
Hi,

HA can be used on 3.0.5 as well.

my GFS storage is actually mounted in Virtualizor as : filepatch under /ClusterFS
>> Yes, that should work for HA and also /etc/libvirt should be shared as per the guide.

Live migration (Admin panel->migrate vps option) would work without shared storage as well but it is only available on 3.0.6

3.0.6 is in release candidate and to update it, you can set update settings in slave settings for all servers to release candidate and then update panel.

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Virtualizor Team.
http://virtualizor.com/
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