Manx SA7x Guía de instalación Pagina 135

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5.2 Cabling the SF7x in Storage Array Position
7. For SF3, connect this 42-inch DSSI cable to the leftmost DSSI connector at
the rear of the SF7x SF2. For SF6, connect this 42-inch DSSI cable to the
leftmost DSSI connector at the rear of the SF7x SF4.
WARNING
Do not apply power to the SF7x storage enclosure at this time.
5.2.2 Dual-Host Configuration
Use the following procedures for cabling an SF7x storage enclosure in an
existing Sx300 storage array configured for dual-host.
The following procedures assume that all devices installed previous to an
new installation of an SF7x storage enclosure are cabled in the dual-host
configuration.
5.2.2.1 Identifying DSSI Connectors on the System I/O Panel
The following procedure explains how to locate and identify the DSSI
connections on the system I/O panel.
WARNING
Before performing the following steps, refer to the system documenta-
tion for the correct steps to perform an orderly shutdown of the systems
that the storage array is connected to.
Note
This procedure assumes that no SF7x storage enclosure are installed
internally in the system cabinet. If there are SF7x storage enclosures
installed in the system cabinet, then one of the KFMSA modules
installed in the system XMI backplane must be connected to those
SF7x storage enclosures. Do NOT use this KFMSA module or its DSSI
connections to connect the system to the Sx300 storage array. Do NOT
count this KFMSA module in the following steps.
1. Open the system I/O panels on both systems by removing the screws that
secure the I/O panel to the system chassis. Let the panel swing down to its
rest position.
Installing the SF7x Storage Enclosure in an Sx300 Storage Array 5–29
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