[PVE-User] looking for recommendations of VLAN setup

Alwin Antreich sysadmin-pve at cognitec.com
Tue Feb 7 23:36:29 CET 2017


On 02/06/2017 11:31 AM, Thomas Lamprecht wrote:
> Hi,
>> But this setup is exactly what I'd want to avoid. Imagine you have a
>> VM running on Node A that needs VLAN 7. With this kind of
>> setup Proxmox could migrate the VM to Node B or C in case of failure
>> of node A. But if the VM is put on Node C the VM has no
>> connectivity to VLAN 7 which is against the concept of HA. What good
>> is a VM when it has no connectivity to the network it
>> requires for its services?
> You could use HA groups to ensure a VM can run only on those nodes which
> provides the necessary abilities.

Yep, we use weighted resource groups, so the VM will failover and
migrate back to only those nodes capable of servicing hardware resources
needed for the VM (eg. CPU type, network, storage).

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