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Storage Controller Health (SCH) Status Messages

What are Storage Controller Health Status Messages? The DS8K Storage Controller Health Message function sends alerts at the Logical Control Unit (LCU) level when resources are not available or under service. This process runs on both primary and secondary storage systems in a mirrored...

Beth Peterson's profile image

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Announcing HDP 3.0 support with IBM Spectrum Scale

We are excited to announce IBM Spectrum Scale support for Hortonworks Data Platform (HDP) 3.0 . IBM Storage first announced its partnership with Hortonworks for IBM Spectrum Scale storage in Feb, 2017 . Since then, we have continued our joint engineering efforts to certify all releases of IBM...

Pallavi Galgali's profile image



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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


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How to configure and performance tuning different system workloads on IBM Spectrum Scale Sharing Nothing Cluster

IBM Spectrum Scale Sharing Nothing Cluster performance tuning guide has been posted and please refer to link before you doing the below change. A restart of IBM Spectrum Scale will be needed to bring into effect any configuration option changes that do not successfully complete with the '-i' ...

Archive User's profile image

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How to configure and performance tuning database workloads on IBM Spectrum Scale Sharing Nothing Cluster

IBM Spectrum Scale Sharing Nothing Cluster performance tuning guide has been posted and please refer to link before you doing the below change. If the cluster is focused on database workloads such as SAP HANA/DB2 DPF/DashDB or DIO/AIO, the following configuration options must be tuned: ...

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How to configure and performance tuning Spark workloads on IBM Spectrum Scale Sharing Nothing Cluster

IBM Spectrum Scale Sharing Nothing Cluster performance tuning guide has been posted and please refer to link before you doing the below change. Here is the tuning steps. Step1: Configure spark.shuffle.file.buffer By default, this must be configured on $SPARK HOME/conf/spark-defaults.conf...

Archive User's profile image