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58 Sun StorageTek 2500 Series Array Hardware Installation Guide • March 2007
Before you connect data hosts directly to the array, check that the following
prerequisites have been met:
■ Interface cables are connected and between the HBAs and the array controllers.
■ SAS cables (1-, 3-, or 6-meters) are available to connect the array host ports to the
data host HBAs.
Each controller module on a controller tray has three SAS host ports (
FIGURE 3-11).
FIGURE 3-11 SAS Data Host Ports (on back of tray).
▼ To Connect Data Hosts to a 2530 Array
1. Locate the host ports at the back of the controller tray (FIGURE 3-11).
If the host port has a plastic protection plug, remove it.
2. Connect one end of the SAS cable to a host port on a controller module.
Host ports are numbered from left to right: host port 1, host port 2, and host
port 3.
3. Connect the other end of each SAS cable to a data host HBA.
4. Affix a label to each end of the cable. See “Host Cable Labeling” on page 59 for
information about cable labels.
5. Repeat these steps for each host-to-controller connection.
Controller B
Controller A
1. SAS Host Port 1
2. SAS Host Port 2
3. SAS Host Port 3
Link Link
HOST
1
S
A
S
LinkLink LinkLink
HOST
23
S
A
S
Link Link
DRIVE EXPANSION
S
A
S
Link Link
HOST
1
S
A
S
LinkLink LinkLink
HOST
23
S
A
S
Link Link
DRIVE EXPANSION
S
A
S
1
1
2
2
3 3