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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...
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,...
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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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...