Re: [gpfsug-discuss] Short-term Deactivation of NSD server

Mon, 07 Sep 2020 20:09:20 -0700

Siji,
 
With Scale 5.x , you should be able to remove the server from the server list (mmchnsd) without stopping the cluster or unmounting the file system. Please refer to the mmchnsd manpage.
 
  Felipe
 
----
Felipe Knop [email protected]
GPFS Development and Security
IBM Systems
IBM Building 008
2455 South Rd, Poughkeepsie, NY 12601
(845) 433-9314 T/L 293-9314
 
 
 
----- Original message -----
From: "Saula, Oluwasijibomi" <[email protected]>
Sent by: [email protected]
To: "[email protected]" <[email protected]>
Cc:
Subject: [EXTERNAL] [gpfsug-discuss] Short-term Deactivation of NSD server
Date: Fri, Sep 4, 2020 12:03 PM
 
Hello GPFS Experts,
 
Say, is there any way to disable a particular NSD server outside of shutting down GPFS on the server, or shutting down the entire cluster and removing the NSD server from the list of NSD servers?
 
I'm finding that TSM activity on one of our NSD servers is stifling IO traffic through the server and resulting in intermittent latency for clients. If we could restrict cluster IO from going through this NSD server, we might be able to minimize or eliminate the latencies experienced by the clients while TSM activity is ongoing.
 
Thoughts?
 
 
 

 

Thanks,
 

Oluwasijibomi (Siji) Saula

HPC Systems Administrator  /  Information Technology

 

Research 2 Building 220B / Fargo ND 58108-6050

p: 701.231.7749 / www.ndsu.edu

 

 
 

 

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