Using multiple NICs for Oracle dNFS
- From: "Hameed, Amir" <Amir.Hameed@xxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Wed, 28 Mar 2012 13:51:39 -0400
Folks,
When configuring multiple NICs (two in our case) for dNFS per RAC
server, do all NICs need to be in the same VLAN (assuming that private
dedicated VLANs are used) or does each NIC need to be in its own private
VLAN?
We have configured two 10GbE NICs in a private VLAN on each RAC node.
However, when I run trace-route (these are Solaris boxes) from the dNFS
NIC IPs to the NAS IP, trace-route works fine on one NIC and not on the
other and this behavior is consistent on all RAC nodes where trace-route
is working fine on one of the NICs and not on the other. Our networking
people are not able to figure out what is causing it. Our Unix people
believe that if multiple NICs are part of the same VLAN then the traffic
will go out (to NAS) only from one NIC but will be received by both NICs
(from NAS). I am not a networking expert and would appreciate if anyone
can provide some feedback.
Thanks
Amir
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