[gpfsug-discuss] changing default configuration values

John Hearns john.hearns at asml.com
Mon Oct 9 09:38:29 BST 2017


Aaron,
The reply you just got her is absolutely the correct one.

However, its worth contributing something here. I have recently bene dealing with the parameter verbsPorts - which is a list of the interfaces which verbs should use. I found on our cluyster it was set to use dual ports for all nodes, including servers, when only our servers have dual ports.  I will follow the advice below and make a global change, then change back the configuration for the server.

It is worth looking though at  mmllnodeclass -all
There is a rather rich set of nodeclasses, including   clientNodes   managerNodes nonNsdNodes  nonQuorumNodes
So if you want to make changes to a certain type of node in your cluster you will be able to achieve it using nodeclasses.


Bond, James Bond
commander.bond at mi6.gov.uk




From: gpfsug-discuss-bounces at spectrumscale.org [mailto:gpfsug-discuss-bounces at spectrumscale.org] On Behalf Of IBM Spectrum Scale
Sent: Saturday, October 07, 2017 5:07 AM
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Subject: Re: [gpfsug-discuss] changing default configuration values


Hi Aaron,

The default value applies to all nodes in the cluster. Thus changing it will change all nodes in the cluster. You need to run mmchconfig to customize the node override again.


Regards, The Spectrum Scale (GPFS) team

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[Inactive hide details for Aaron Knister ---10/06/2017 06:30:20 PM---Is there a way to change the default value of a configurati]Aaron Knister ---10/06/2017 06:30:20 PM---Is there a way to change the default value of a configuration option without overriding any overrid

From: Aaron Knister <aaron.s.knister at nasa.gov<mailto:aaron.s.knister at nasa.gov>>
To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>>
Date: 10/06/2017 06:30 PM
Subject: [gpfsug-discuss] changing default configuration values
Sent by: gpfsug-discuss-bounces at spectrumscale.org<mailto:gpfsug-discuss-bounces at spectrumscale.org>

________________________________



Is there a way to change the default value of a configuration option
without overriding any overrides in place?

Take the following situation:

- I set parameter foo=bar for all nodes (mmchconfig foo=bar)
- I set parameter foo to baz for a few nodes (mmchconfig foo=baz -N
n001,n002)

Is there a way to then set the default value of foo to qux without
changing the value of foo for nodes n001 and n002?

-Aaron

--
Aaron Knister
NASA Center for Climate Simulation (Code 606.2)
Goddard Space Flight Center
(301) 286-2776
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