Traffic cold to migrate a virtual machine

Hello

This statement is correct: "when I have cold migration a (engine off) vm local storage to a local storage of another of ESXi through vCenter ESXi, the flow of traffic through the management-traffic-portgroup, not the vmotion portgroup?"

This is because when I migrate a warm , no matter it is a vmotion or a vmotion with storage vmotion, then the flow of traffic through the port of vmotion group. This is the behavior I expect. But why is the traffic not through the vmotion portgroup as well when I do a cold migration? Or is there a bad configuration? But I have different ports on different nic groups and there are different subnets configured... and each port group has only one type of traffic affected.

I am just a student: what happens if I have a network vmotion 10 GB and a 1 GB management network? When you perform a cold migration, traffic will choose the 1-GB-connection slow? Everyone is to give all the bandwidth as possible for vmotion, but in this scenario, traffic passes through the management network? I don't know--in most cases, we do a vmotion or svmotion. But I was amazed when I detected, that things from traffic port management group and not group ports vmotion...

Is it really the behavior by default as described?

Best regards

Roland

Yes that's right - with migration cold, the data move on the management network and it is the behavior of traffic movement not through network vMotion as a Migration cold isn't vMotion - also as your shared storage is compatible with VMware Storage API or will not depends on if data remains on your storage network or public network you.

Also 10 GB I think is overkill for your vmotion network - it is designed to work with 1 GB.

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