[gpfsug-discuss] question about remote cluster mounting

Bryan Banister bbanister at jumptrading.com
Wed Feb 17 21:40:05 GMT 2016

Yes, you may (and should) reuse the auth key from the compute cluster,

From: gpfsug-discuss-bounces at spectrumscale.org [mailto:gpfsug-discuss-bounces at spectrumscale.org] On Behalf Of Damir Krstic
Sent: Wednesday, February 17, 2016 3:08 PM
To: gpfsug main discussion list
Subject: [gpfsug-discuss] question about remote cluster mounting

In our current environment we have a storage gpfs cluster and a compute gpfs cluster. We use gpfs remote cluster mounting mechanism to mount storage cluster on compute cluster. So far so good.

We are about to introduce 3rd storage cluster in our environment and question I have is about gpfs authorization keys.

More specifically, when we initially did remote cluster mounting, we had to run mmauth command on both the storage cluster and the compute cluster and then share the keys between the clusters.

With the third storage cluster, can we re-use authorization key from compute cluster and share it with the new storage cluster? The reason for this question is I am hoping to minimize downtime on our compute cluster and I remember having to shut gpfs down when issuing mmauth command so I am hoping I can re-use the compute cluster key without shutting gpfs down.



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