Building-block configurations

An Elastic Storage Server for Power® system is available in various building-block configurations.

There are several different ESS models: GL2, GL4, GL6, GS1, GS2, GS4, and GS6.

The memory size is optional in the various building-block configurations. 256GB is the recommended memory size for models GL4 and GL6.

GL2 configurations

The following building-block configurations include DCS3700 JBOD 60-drive enclosures with 7.2K NL-SAS HDDs and 400GB SSDs.

GL2 configuration 1 consists of:
  • Optional: 128GB (8 x 16GB DRAM)
  • Eight SAS cables
  • Two DCS3700 enclosures
    • In Enclosure 1:
      • 58 drive slots are populated with 2TB 7.2K NL-SAS HDDs
      • Drive slot 3 in drawer 1 and drive slot 12 in drawer 5 are populated with 400GB SSDs
    • In Enclosure 2:
      • 58 drive slots are populated with 2TB 7.2K NL-SAS HDDs
      • Drive slot 3 in drawer 1 and drive slot 12 in drawer 5 are empty
GL2 configuration 2 consists of:
  • Optional: 128GB (8 x 16GB DRAM)
  • Eight SAS cables
  • Two DCS3700 enclosures
    • In Enclosure 1:
      • 58 drive slots are populated with 4TB 7.2K NL-SAS HDDs
      • Drive slot 3 in drawer 1 and drive slot 12 in drawer 5 are populated with 400GB SSDs
    • In Enclosure 2:
      • 58 drive slots are populated with 4TB 7.2K NL-SAS HDDs
      • Drive slot 3 in drawer 1 and drive slot 12 in drawer 5 are empty
Figure 1. Sample GL2 configurations. One, two, and five building blocks.
Sample GL2 configurations with one, two, and five building blocks

GL4 configurations

The following building-block configurations include DCS3700 JBOD 60-drive enclosures with 7.2K NL-SAS HDDs and 400GB SSDs.

GL4 configuration 1 consists of:
  • Recommended: 256GB (16 x 16GB DRAM)
  • 16 SAS cables
  • Four DCS3700 enclosures
    • In Enclosure 1:
      • 58 drive slots are populated with 2TB 7.2K NL-SAS HDDs
      • Drive slot 3 in drawer 1 and drive slot 12 in drawer 5 are populated with 400GB SSDs
    • In Enclosures 2, 3, and 4:
      • 58 drive slots are populated with 2TB 7.2K NL-SAS HDDs
      • Drive slot 3 in drawer 1 and drive slot 12 in drawer 5 are empty
GL4 configuration 2 consists of:
  • Recommended: 256GB (16 x 16GB DRAM)
  • 16 SAS cables
  • Four DCS3700 enclosures
    • In Enclosure 1:
      • 58 drive slots are populated with 4TB 7.2K NL-SAS HDDs
      • Drive slot 3 in drawer 1 and drive slot 12 in drawer 5 are populated with 400GB SSDs
    • In Enclosures 2, 3, and 4:
      • 58 drive slots are populated with 4TB 7.2K NL-SAS HDDs
      • Drive slot 3 in drawer 1 and drive slot 12 in drawer 5 are empty
Figure 2. Sample GL4 configurations. One, two, and three building blocks.
Sample GL4 configurations with one, two, and three building blocks

GL6 configurations

The following building-block configurations include DCS3700 JBOD 60-drive enclosures with 7.2K NL-SAS HDDs and 400GB SSDs.

GL6 configuration 1 consists of:
  • Recommended: 256GB (16 x 16GB DRAM)
  • 24 SAS cables
  • Six DCS3700 enclosures
    • In Enclosure 1:
      • 58 drive slots are populated with 2TB 7.2K NL-SAS HDDs
      • Drive slot 3 in drawer 1 and drive slot 12 in drawer 5 are populated with 400GB SSDs
    • In Enclosures 2, 3, 4, 5, and 6:
      • 58 drive slots are populated with 2TB 7.2K NL-SAS HDDs
      • Drive slot 3 in drawer 1 and drive slot 12 in drawer 5 are empty
GL6 configuration 2 consists of:
  • Recommended: 256GB (16 x 16GB DRAM)
  • 24 SAS cables
  • Six DCS3700 enclosures
    • In Enclosure 1:
      • 58 drive slots are populated with 4TB 7.2K NL-SAS HDDs
      • Drive slot 3 in drawer 1 and drive slot 12 in drawer 5 are populated with 400GB SSDs
    • In Enclosures 2, 3, 4, 5, and 6:
      • 58 drive slots are populated with 4TB 7.2K NL-SAS HDDs
      • Drive slot 3 in drawer 1 and drive slot 12 in drawer 5 are empty
Figure 3. Sample GL6 configurations. With one, two, and three building blocks.
Sample GL6 configurations with one, two, and three building blocks

GS1 configurations

The following building-block configurations include an EXP24S JBOD 24-drive enclosure with 2.5-inch SSDs.

GS1 configuration 1 consists of:
  • Optional: 128GB (8 x 16GB DRAM)
  • Four SAS cables
  • One EXP24S enclosure, in which all 24 drive slots are populated with 400GB 2.5-inch SSDs
GS1 configuration 2 consists of:
  • Optional: 128GB (8 x 16GB DRAM)
  • Four SAS cables
  • One EXP24S enclosure, in which all 24 drive slots are populated with 800GB 2.5-inch SSDs
Figure 4. Sample GS1 configurations. With one, two, and 11 building blocks.
Sample GS1 configurations with one, two, and 11 building blocks

GS2 configurations

The following building-block configurations include EXP24S JBOD 24-drive enclosures with 2.5-inch SSDs.

GS2 configuration 1 consists of:
  • Optional: 128GB (8 x 16GB DRAM)
  • Eight SAS cables
  • Two EXP24S enclosures, in each of which all 24 drive slots are populated with 400GB 2.5-inch SSDs
GS2 configuration 2 consists of:
  • Optional: 128GB (8 x 16GB DRAM)
  • Eight SAS cables
  • Two EXP24S enclosures, in each of which all 24 drive slots are populated with 800GB 2.5-inch SSDs
GS2 configuration 3 consists of:
  • Optional: 128GB (8 x 16GB DRAM)
  • Eight SAS cables
  • Two EXP24S enclosures
    • In Enclosure 1:
      • Drive slots 1 and 24 are populated with 400GB 2.5-inch SSDs
      • Drive slots 2 through 23 are populated with 1.2TB 10K SAS 2.5-inch HDDs
    • In Enclosure 2, all 24 drive slots are populated with 1.2TB 10K SAS 2.5-inch HDDs
Figure 5. Sample GS2 configurations. With one, two, and nine building blocks.
Sample GS2 configurations with one, two, and nine building blocks

GS4 configurations

The following building-block configurations include EXP24S JBOD 24-drive enclosures with 2.5-inch SSDs.

GS4 configuration 1 consists of:
  • Optional: 256GB (8 x 16GB DRAM)
  • 16 SAS cables
  • Four EXP24S enclosures, in which all 96 drive slots are populated with 400GB 2.5-inch SSDs
GS4 configuration 2 consists of:
  • Optional: 256GB (8 x 16GB DRAM)
  • 16 SAS cables
  • Four EXP24S enclosures, in which all 96 drive slots are populated with 800GB 2.5-inch SSDs
GS4 configuration 3 consists of:
  • Optional: 256GB (8 x 16GB DRAM)
  • 16 SAS cables
  • Four EXP24S enclosures
    • In Enclosure 1:
      • Drive slots 1 and 24 are populated with 400GB 2.5-inch SSDs
      • Drive slots 2 through 23 are populated with 1.2TB 10K SAS 2.5-inch HDDs
    • In Enclosures 2, 3, and 4, all 24 drive slots are populated with 1.2TB 10K SAS 2.5-inch HDDs
Figure 6. Sample GS4 configurations. With one, two, and six building blocks.
Sample GS4 configurations with one, two, and six building blocks

GS6 configurations

The following building-block configuration includes EXP24S JBOD 24-drive enclosures with 1.2TB 10K SAS 2.5-inch HDDs.

GS6 configuration 1 consists of:
  • Optional: 256GB (16 x 16GB DRAM)
  • 24 SAS cables
  • Six EXP24S enclosures
    • In Enclosure 1:
      • Drive slots 1 and 24 are populated with 400GB 2.5-inch SSDs
      • Drive slots 2 through 23 are populated with 1.2TB 10K SAS 2.5-inch HDDs
    • In Enclosures 2, 3, 4, 5, and 6, all 24 drive slots are populated with 1.2TB 10K SAS 2.5-inch HDDs
Figure 7. Sample GS6 configurations. With one, two, and four building blocks.
Sample GS6 configurations with one, two, and four building blocks