[gpfsug-discuss] Fwd: FLASH: IBM Spectrum Scale (GPFS): RDMA-enabled network adapter failure on the NSD server may result in file IO error (2017.06.30)

Aaron Knister aaron.s.knister at nasa.gov
Fri Jun 30 18:14:07 BST 2017


I'm curious to know why this doesn't affect GSS/ESS? Is it a feature of 
the additional check-summing done on those platforms?


-------- Forwarded Message --------
Subject: 	FLASH: IBM Spectrum Scale (GPFS): RDMA-enabled network adapter 
failure on the NSD server may result in file IO error (2017.06.30)
Date: 	Fri, 30 Jun 2017 14:19:02 +0000
From: 	IBM My Notifications <mynotify at stg.events.ihost.com>
To: 	aaron.s.knister at nasa.gov




My Notifications for Storage - 30 Jun 2017

Dear Subscriber (aaron.s.knister at nasa.gov),

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------------------------------------------------------------------------------
1. IBM Spectrum Scale

- TITLE: IBM Spectrum Scale (GPFS): RDMA-enabled network adapter failure 
on the NSD server may result in file IO error
- URL: 
http://www.ibm.com/support/docview.wss?uid=ssg1S1010233&myns=s033&mynp=OCSTXKQY&mynp=OCSWJ00&mync=E&cm_sp=s033-_-OCSTXKQY-OCSWJ00-_-E
- ABSTRACT: IBM has identified an issue with all IBM GPFS and IBM 
Spectrum Scale versions where the NSD server is enabled to use RDMA for 
file IO and the storage used in your GPFS cluster accessed via NSD 
servers (not fully SAN accessible) includes anything other than IBM 
Elastic Storage Server (ESS) or GPFS Storage Server (GSS); under these 
conditions, when the RDMA-enabled network adapter fails, the issue may 
result in undetected data corruption for file write or read operations.

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