HP 2000sa HP Direct-Connect External SAS Storage for HP BladeSystem Solutions - Page 101

Shared storage—single controller, standard cabling, the MSA2000sa G2.

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Shared storage-single controller, standard cabling This example illustrates standard cabling for a single-controller MSA2000sa enclosure. In this configuration, note the following: • One cable from the switch to the MSA controller offers single-path connectivity. NOTE: Features of the MSA2000sa and MSA2000sa G2 differ, but cabling and configuration concepts are the same. This cabling scenario showing the MSA2000sa may also be applied to the MSA2000sa G2. Devices and quantities MSA2000sa controller enclosures: 1 MSA2000 drive enclosures: 0 BladeSystem c7000 enclosures: 1 3Gb SAS BL Switches: 1 Server blade types: half-height and full-height Connection details • Switch in interconnect bay 5: ◦ Port 1: to MSA SAS port A0 Notes • If additional ports on the MSA controllers or 3Gb SAS BL Switch are available, HP recommends connecting an additional cable from the switch to the MSA controllers, for additional performance and fault tolerance. For an example, see "Shared storage-dual controller, optimal cabling, MSA2000sa" (page 103) NOTE: Connections to a single-controller MSA2000sa G2, are very similar to that of the MSA2000sa: connect the first SAS port on the MSA controller (A1) to the switch. Shared storage-single controller, standard cabling 101

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Shared storage—single controller, standard cabling
This example illustrates standard cabling for a single-controller MSA2000sa enclosure. In this
configuration, note the following:
•
One cable from the switch to the MSA controller offers single-path connectivity.
NOTE:
Features of the MSA2000sa and MSA2000sa G2 differ, but cabling and configuration
concepts are the same. This cabling scenario showing the MSA2000sa may also be applied to
the MSA2000sa G2.
Devices and quantities
MSA2000sa controller enclosures: 1
MSA2000 drive enclosures: 0
BladeSystem c7000 enclosures: 1
3Gb SAS BL Switches: 1
Server blade types: half-height and full-height
Connection details
•
Switch in interconnect bay 5:
◦
Port 1: to MSA SAS port A0
Notes
•
If additional ports on the MSA controllers
or 3Gb SAS BL Switch are available, HP
recommends connecting an additional
cable from the switch to the MSA
controllers, for additional performance and
fault tolerance. For an example, see
“Shared storage—dual controller, optimal
cabling, MSA2000sa” (page 103)
NOTE:
Connections to a single-controller MSA2000sa G2, are very similar to that of the
MSA2000sa: connect the first SAS port on the MSA controller (A1) to the switch.
Shared storage—single controller, standard cabling
101