[gpfsug-discuss] Question about subnets parameter and remote cluster mounts

Leonardo Sala leonardo.sala at psi.ch
Wed May 3 15:58:12 BST 2023

Dear Achim,

thanks! My point is: in case of a remote cluster mount, e.g. CL2 
mounting CL1 storage, where should I specify the subnets parameter:

1) on CL2 (client cluster)

2) on CL1 (storage cluster)

3) on both CL1 and CL2

I might have to change this parameter on a production system, and as it 
needs a restart I would like to be sure I change it only where necessary

Thanks again!



Paul Scherrer Institut
Dr. Leonardo Sala
Group Leader Data Analysis and Research Infrastructure
Deputy Department Head a.i Science IT Infrastructure and Services department
Science IT Infrastructure and Services department (AWI)
Forschungstrasse 111
5232 Villigen PSI

Phone: +41 56 310 3369
leonardo.sala at psi.ch

On 5/3/23 16:40, Achim Rehor wrote:
> correct, there is no need to put client and storage into different
> subnets,
> and it is also not necessary to specify the subnet parameter at all,
> when they share the same network.
> The subnets parameter is very helpful, though, if you are using
> multiple networks, and want to use specific ones for communication with
> one or the other remote cluster.
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