On 18/08/2016 17:47, Roberto Resoli wrote:
Hello,
I'm currently running a three nodes cluster with drbd 9.0.3 and
drbdmanage 0.97.
It happens that in my setup i can dedicate two phisical interfaces per
node to the storage network, and possibly create a "full mesh" network
as of Chapter 5.1.4 of DRBD9 manual
(http://drbd.linbit.com/doc/users-guide-90/ch-admin-manual#s-drbdconf-conns).
The goal is to use only dedicated links (no network switch) for the
storage network connections.
I understand that this network topology is currently not supported by
drbdmanage, and I'm asking if it would be possible to configure the
three storage nodes as usual (one ip address per node) and change the
configuration of the network connections afterwards.
In particular I see that currently is not possible to dedicate an IP for
every different link betwen a managed resource and its peer node.
Am I wrong? Any advice/suggestion?
I can't comment on the DRBD related portions, but can't you add both
interfaces on each machine to a single bridge, and then configure the IP
address on the bridge. Hence each machine will only have one IP address,
and the other machines will use their dedicated network to connect to
it. I would assume the overhead of the bridge inside the kernel would be
minimal, but possibly not, so it might be a good idea to test it out.
Regards,
Adam
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