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Spectrum Scale and Containers

Recently, IBM has announced a new version of Storage Enabler for Containers (SEC), which adds support for IBM Spectrum Scale. SEC solves the important problem of providing persistent and dynamically provisioned storage for Docker containers, which can be orchestrated as a Kubernetes cluster, to...

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EMS HA in ESS LE (Little Endian) environment

This document will guide to setup EMS HA in ESS environment. By default, ESS systems ships with one EMS and it manage one or more building blocks of ESS. We also know EMS is the only management node which exist to manage any of the IO nodes (one or more building blocks) life cycle. Outage of...

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Recovery Group Failover Procedure of IBM Elastic Storage Server (ESS)

1. Overview IBM Elastic Storage Server (ESS) building block is typically composed of two recovery group servers (aka I/O servers) and several JBOD enclosures depending on the ESS models. Each enclosure is twin-tailed connected to both I/O servers with SAS cables for redundancy. Typically, ESS...

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Whats new in IBM Elastic Storage Server (ESS) Version 5.3.1 and 5.3.1.1

There have been multiple exciting features in 5.3.1 and 5.3.1.1. These releases are based on Red Hat Enterprise Linux (RHEL) 7.4 and Spectrum Scale 5.0.1 ESS comes in a range of models tailored to address customers’ storage requirements. This includes newly introduced hybrid models that...

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Mellanox SX1710 40G switch MLAG configuration for ESS

When we have 2 Mellanox 40G switches, we can use MLAG to bond ports between swithes, with server connected to these ports having bonding settings, the 40G network can have High Availability. Switch front view: Switch back view: 1. First, connect the serial console port of the swithes,...

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What's New - IBM Spectrum Scale 5.0.1 ?

What's New in IBM Spectrum Scale 5.0.1 IBM Spectrum Scale 5.0.1 was released in May 2018. So what is new in this release that one should be aware of ? What are the enhancements ? What are the improvements ? IBM Spectrum Scale 5.0.1 was released in May 2018. So what is new in this release...

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New features in IBM Elastic Storage Server (ESS) Version 5.3

I am glad to convey that ESS version 5.3 has been released on 26th March 2018, and being part of the development team I feel excited to share the details of what’s new in this release. The IBM Elastic Storage Server is a modern implementation of software defined storage, combining IBM Spectrum...

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ESS Fault Tolerance

1. Introduction IBM Elastic Storage Server (ESS) uses Reed-Solomon codes or N-way replication to protect data integrity when the physical disk fail. In addition, ESS has the ability to detect disk location. ESS can place data strips across disks that belong to different locations. This...

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ESS Disk Management

1. Overview IBM Spectrum Scale RAID is a software implementation of storage RAID technologies within IBM Spectrum Scale, which is available with the IBM Elastic Storage Sever(ESS). IBM Spectrum Scale RAID uses Reed-Solomon Code or N-way replication to protect data integrity, it supports 3-way...

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