HP BladeSystem c3000 HP BladeSystem Deployment Guide for Solutions with 6Gb SA - Page 89
MDS600 and D6000 dual domain, standard cabling, equivalent, HP recommends using I/O module SAS port 1.
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MDS600 and D6000 dual domain, standard cabling This example illustrates standard cabling for a high-availability configuration for a dual domain configuration. In this configuration, note the following: • Two cables from an MDS600 or D6000 storage drawer to the switch provide dual-domain connectivity: ◦ One cable connects to the primary I/O module, SAS port 1. ◦ One cable connects to the secondary I/O module, SAS port 1. • For consistency across all deployments, even though SAS port 1 and SAS port 2 are functionally equivalent, HP recommends using I/O module SAS port 1. NOTE: Restrictions exist, depending on the controller, storage enclosure, and drive model. For more information, see "External SAS device, controller, drive, and cabling support matrices" (page 77) Devices and quantities MDS600/D6000 storage enclosures: 1 I/O modules: 4 BladeSystem c7000 enclosures: 1 6Gb SAS BL Switches: 2 Server blade types: half-height and full-height Connection details • Switch in interconnect bay 5: ◦ Port 1: to storage drawer 2, primary I/O module, port 1 ◦ Port 5: to storage drawer 1, primary I/O module, port 1 • Switch in interconnect bay 6: ◦ Port 1: to storage drawer 2, secondary I/O module, port 1 ◦ Port 5: to storage drawer 1, secondary I/O module, port 1 Notes • If sufficient ports on the switch are available, HP recommends connecting an additional cable from the switch to the I/O modules, for additional performance. For an example, see "MDS600 and D6000 dual domain, high-performance cabling" (page 90) Illustrated configuration examples 89