Manx SA7x Guía de instalación Pagina 87

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4.2 Single-Host Installation of an SF3xx Storage Array
4.2.1 Inspecting the Storage Array (Single-Host)
This procedure describes the steps to inspect the SF3xx storage array for
correct configuration.
Inspect the storage array from the front, then from the rear.
1. At the front of the SF3xx storage array:
a. Verify the correct setting for all the DSSI ID switches behind the door
of the operator control panel (OCP) of every SF7x enclosure installed.
Make sure that each ISE has a unique DSSI node ID for the DSSI bus
that it is on. By convention, DSSI node ID (0) is used for a tape ISE.
Disk ISEs should start with DSSI node ID (1) and sequence up from
there.
b. The Mass Storage Control Protocol (MSCP) switch should be in the
down (enabled) position at all times unless you are instructed to change
it to the up (disabled) position.
Table 4–1 SF7x DSSI ID Verification (Front View)
SF1, SF2, SF4, SF5
Left Rear (LR)
Left Front (LF)
Right Front (RF)
Right Rear (RR)
001
010
011
100
SF3, SF6 in split bus mode
Left Rear (LR)
Left Front (LF)
Right Front (RF)
Right Rear (RR)
101
110
110
101
c. Make sure that all OCP buttons are in the out position.
d. Make sure that the OCP itself is correctly seated in the SF7x enclosure.
To do so, place a thumb on either side of the OCP and press in. See
Figure 4–2.
Installing an SF3xx Storage Array to a VAX 6000 System 4–3
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