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IBM Spectrum Scale – Product Analysis

The IBM Spectrum Scale software based on GPFS is a scale-out parallel file system. Typical large scale environments include data analytics with Hadoop Media & Entertainment, geo-sciences, life sciences, backup and archive. Spectrum scale is also offered as the ESS system, an integration of elements by IBM into a multi-featured NAS system targeted at enterprises that also supports object access, which is covered in the Evaluator Researrch separately.

In addition to the General Parallel File System, Spectrum Scale includes the Linux operating system as the base system and Spectrum Protect (previously named Tivoli Storage Manager or TSM) integrated for additional advanced features. OpenStack Swift open source software is installed on nodes to provide object storage access with objects stored as files. Additional software support S3 access as well.

IBM Spectrum Scale software can be installed on different servers and utilize multiple storage systems including IBM NVMe-based FlashSystem 9100 in the case of ESS. Additionally, Spectrum Scale can be installed on AWS for customers that run or develop analytics software in the public cloud.

There are multiple editions of Spectrum Scale that are offered with variations of licensing, included functionality, and operating systems supported. Details of the versions is included after the product highlights section.


IBM Spectrum Scale Product Analysis Includes: 

  • Highlights
  • Overview of System
  • Hardware Architecture
  • Reliability, Availability, and Serviceability
  • Software Features and Functions
  • Evaluator Group Comments

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Related to this document:
, Scale-out File System Evaluation Guide, Scale-out File Systems Comparison Matrix

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October 28, 2020


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