HP BLc7000 HP Direct-Connect External SAS Storage for HP BladeSystem Solutions - Page 86

MDS600 disk enclosure port information, the 3Gb SAS BL Switch.

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MDS600 disk enclosure port information As shown in the following illustration: • Drawer numbers: The MDS600 has two drawers that contain the drives. From the rear of the device, drawer number 1 is on the right. • SAS Ports: Each MDS600 I/O module has two SAS ports. Use these SAS ports to connect to the 3Gb SAS BL Switch. When two I/O modules are installed in an MDS600 drawer, the ports are referred to as follows: ◦ Top I/O module: Primary, with host ports referred to as 1 (bottom port) and 2 (top port) ◦ Bottom I/O module: Secondary, with host ports referred to as 1 (bottom port) and 2 (top port) 1. Primary I/O module (drawer 1) 2. Secondary I/O module (drawer 1) 3. MDS600 enclosure drawer 1 4. MDS600 enclosure drawer 2 When cabling MDS600 enclosures to the switch, note the following: • When only one MDS600 storage enclosure is connected to a BladeSystem c-Class enclosure, a common cabling pattern is to connect one MDS600 drawer to switch ports 1-4 and the other MDS600 drawer to switch ports 5-8. This allows server bays 1-8 to access one MDS600 drawer and server bays 9-16 to access the other MDS600 drawer. 86 Device SAS port information

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MDS600 disk enclosure port information
As shown in the following illustration:
•
Drawer numbers:
The MDS600 has two drawers that contain the drives. From the rear of the
device, drawer number 1 is on the right.
•
SAS Ports:
Each MDS600 I/O module has two SAS ports. Use these SAS ports to connect to
the 3Gb SAS BL Switch.
When two I/O modules are installed in an MDS600 drawer, the ports are referred to as
follows:
◦
Top I/O module: Primary, with host ports referred to as 1 (bottom port) and 2 (top port)
◦
Bottom I/O module: Secondary, with host ports referred to as 1 (bottom port) and 2 (top
port)
3. MDS600 enclosure drawer 1
1. Primary I/O module (drawer 1)
4. MDS600 enclosure drawer 2
2. Secondary I/O module (drawer 1)
When cabling MDS600 enclosures to the switch, note the following:
•
When only one MDS600 storage enclosure is connected to a BladeSystem c-Class enclosure,
a common cabling pattern is to connect one MDS600 drawer to switch ports 1–4 and the
other MDS600 drawer to switch ports 5–8. This allows server bays 1–8 to access one MDS600
drawer and server bays 9–16 to access the other MDS600 drawer.
86
Device SAS port information