Technical specifications

Models (Building Blocks)

GS1S, GS2S, GS4S

GL1S, GL2S, GL4S, GL6S

GH14, GH24

Systems

IBM Power 5148-22L ESS Data Server (two per Building Block)
IBM Power 5148-21L ESS Management Server (one per cluster)

Interconnects

10GbE, 40GbE, 100GbE Ethernet FDR, EDR InfiniBand

Storage units

5147-024 2U JBODs

5147-084 5U JBODs

5147-084 5U JBODs
5147-024 2U JBODs

Operating system

Red Hat Enterprise Linux (RHEL) Little Endian

Cluster management software

IBM Spectrum Scale for ESS (5765-ESS), xCAT

Number of JBODs

1, 2 or 4 2U, 24 drive 2.5-inch SSDs

1, 2, 4 or 6 5U, 84 drive 3.5-inch HDDs

1 or 2 2U, 24 drive 2.5-inch SSDs
4, 5U, 84 drive 3.5-inch HDDs

Drive capacity

4 TB or 15 TB SSDs

800GB SSD, 4 TB, 8 TB or 10 TB nearline-SAS HDDs

4 TB or 15 TB SSDs
4 TB, 8 TB or 10 TB nearline-SAS HDDs

Maximum number of drives

96 SSDs

502 HDDs
2 - 800GB SSDs for metadata

48 SSDs
336 HDDs

Maximum usable capacity per ESS

1.0 PB usable

3.7 PB usable

4.4 PB usable

Supported RAID levels

RAID-1 (8+2P) or (8+3P) with IBM declustered RAID technology

Performance

See SPEC SFS 2014 version results:https://www.spec.org/sfs2014/results/sfs2014.html

Rack cabinets

42U rack cabinet

2,020 mm H x 640 mm W x 1,100 mm D (79.5 in. H x 25.2 in. W x 43.3 in. D); 261 kg (574.2 lb)

Power

IBM Ultra Density Enterprise 60A/208V/3ph (US)

Scalability

IBM Elastic Storage Server scales in a building block approach—capacity, bandwidth and the single namespace increases as more building blocks are added to scale out the entire solution. If the solution is sold as standalone, the POWER8 processor-based IBM Elastic Storage Server management server will act as the quorum node.

Services

  • IBM Elastic Storage Server hardware installation is included at no charge.
  • IBM Lab Services is available for customer configuration and enablement support.

Warranty

3-year parts, customer-replaceable unit (CRU) or on-site labor, limited warranty, with individual nodes retaining the warranty and service upgrade offerings for that IBM machine type. Base support is 9x5, next business day. Optional warranty service upgrades available.

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