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Spectrum Scale Tuning for Power Architecture

NOTE: This content was originally published under the IBM developerWorks site. Since the location where this content was published is being taken offline the content is being copied here so it can continue to be accessed. The document attached to this post was previously published in 2017. ...

Fred Stock's profile image

Blog Entry
Spectrum Scale operating system and network tuning

NOTE: This content was originally published under the IBM developerWorks site. Since the location where this content was published is being taken offline the content is being copied here so it can continue to be accessed. xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas...

Fred Stock's profile image

Blog Entry
How to use IBM Spectrum Scale with CSI Operator 1.0 on Openshift 4.2 - sample usage scenario with Tensorflow deployment

In this blog entry I would like to present how to use the IBM Spectrum Scale with CSI Operator on Openshift 4.2 by introducing a sample Tensorflow deployment with assigned GPFS storage. The basic concepts of CSI, storage provisioning, deployment and service routes will be covered in detail. At...

Archive User's profile image

Blog Entry
Bulk File Creation useful for Test on Filesystems

More often than not, we need a tool that helps create "given number of file" and "given size of files" in a "given directory" on a file storage or a filesystem. I need it in many POC with Spectrum Scale. So here is a quick basic script that helps you do that. Get it from: https://github.com...

SANDEEP PATIL's profile image

Blog Entry
Protecting z/OS from Faulty SAN Storage Links

Executive Summary IBM recommends that clients exploit the “ Improved Channel Path Recovery ” (ICR) function , first delivered in z/OS 1.13 (2011), to quickly fence failing I/O resources and minimize any impact on the production work load. The ICR function allows clients to set a z/OS policy...

Archive User's profile image

Blog Entry
Performance Optimization on the DS8888F

Shortly after the DS8888F model was introduced toward the end of 2016, IBM published SPC-1 v3 benchmark numbers of 1.5M, more than 3x the previous DS8000 generation models, and at the time the highest SPC-1 v3 number. The DS8888F have two servers with up to 48 POWER8 cores and 1TB of memory...

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Blog Entry
zHyperLink™ Video Demo

On December 8, 2017, IBM made the DS8886 zHyperLink support generally available. Today’s blog entry introduces a video demo of the zHyperLink technology. Story Board TL;DR , Clients can transparently cut their application response times in half. Pass this video along to your clients so...

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Blog Entry
IBM Spectrum Scale HDFS Transparency Short Circuit Write Support

Background • Native HDFS supports short circuit read to read data directly from local file system when HDFS client and target datanode are co-located on the same physical node. • 10% ~ 30% performance gain according to workloads and total reading data size • HDFS Transparency supports short...

Archive User's profile image