[gpfsug-discuss] GPFS Network Configuration - 1 Daemon Network , 1 Admin Network

[J. Eric Wonderley]

1)  You want more that one quorum node on your server cluster.  The
non-quorum node does need a daemon network interface exposed to the client
cluster as does the quorum nodes.

2)  No.  Admin network is for intra cluster communications...not inter
cluster(between clusters).  Daemon interface(port 1191) is used for
communications between clusters.  I think there is little benefit gained by
having designated an admin network...maybe someone can point out benefits
of an admin network.



Eric Wonderley

On Mon, Apr 10, 2017 at 12:47 PM, Hans-Joachim Ehlers <service at metamodul.com
> wrote:

> My understanding of the GPFS networks is not quite clear.
>
> For an GPFS setup i would like to use 2 Networks
>
> 1 Daemon (data)  network using port 1191 using for example. 10.1.1.0/24
>
> 2 Admin Network using for example: 192.168.1.0/24 network
>
> Questions
>
> 1) Thus in a 2+1 Cluster ( 2 GPFS Server + 1 Quorum Server ) Config -
> Does the Tiebreaker Node needs to have access to the daemon(data) 10.1.1.
> network or is it sufficient for the tiebreaker node to be configured as
> part of the admin 192.168.1 network ?
>
> 2) Does a remote cluster needs access to the GPFS Admin 192.168.1
> network or is it sufficient for the remote cluster to access the 10.1.1
> network ? If so i assume that remotecluster commands and ping to/from
> remote cluster are going via the Daemon network ?
>
> Note:
>
> I am aware and read https://www.ibm.com/developerworks/community/
> wikis/home?lang=en#!/wiki/General%20Parallel%20File%
> 20System%20(GPFS)/page/GPFS%20Network%20Communication%20Overview
>
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