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How to ensure NFS uses strong encryption algorithms for secure data in motion ?

Ensuring data is secure over the wire as well as on the disk is now a days a common norm. IBM Spectrum Scale provides secure data at rest at filesystem level as well as in motion for it's interface protocols. NFS is one such protocol which allows secure data in motion leveraging Kerberos. When...

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Introducing IBM Spectrum Scale Erasure Code Edition

1. Overview of IBM Spectrum Scale Erasure Code Edition [caption id="attachment 8490" align="alignright" width="574"] Figure 1. High Performance Scale-out Storage with IBM Spectrum Scale Erasure Code Edition [/caption] IBM Spectrum Scale Erasure Code Edition (ECE) is a high...

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Upgrading IBM Spectrum Scale sync replication / stretch cluster setup in PureApp

Use case : In a GPFS stretch cluster / GPFS synchronous mirroring setup (which consist of 2 sites with 3rd site as tie breaker) with shared storage deployment model ( block based storage at the backend) one is required to upgrade the setup due to EOL or other issues in a typical IBM PureApp...

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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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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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GDPR Compliance and Unstructure Data Storage

The EU General Data Protection Regulation (GDPR) compliance centers around Personal Data and its Protection (article 4, section 1) in the context of any organization that conducts business with personal data of data subjects, in or from the 28 EU member states. GDPR requirements span compliance,...

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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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