[openstack-dev] [neutron][L3] VM Scheduling v/s Network as input any consideration ?

A, Keshava keshava.a at hp.com
Tue May 27 07:53:13 UTC 2014


Hi,
I have one of the basic question about the Nova Scheduler in the following below scenario.
Whenever a new VM to be hosted is there any consideration of network attributes ?
Example let us say all the VMs with 10.1.x is under TOR-1, and 20.1.xy are under TOR-2.
A new CN nodes is inserted under TOR-2 and at same time a new  tenant VM needs to be  hosted for 10.1.xa network.

Then is it possible to mandate the new VM(10.1.xa)   to hosted under TOR-1 instead of it got scheduled under TOR-2 ( where there CN-23 is completely free from resource perspective ) ?
This is required to achieve prefix/route aggregation and to avoid network broadcast (incase if they are scattered across different TOR/Switch) ?



[cid:image003.png at 01CF79AE.740B1EF0]

Thanks & regards,
Keshava.A

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