4.2 Single-Host Installation of an SF3xx Storage Array
Remember, each SF7x enclosure can contain two or four disk ISEs. Each
magazine tape subsystem contains one tape ISE. A fully configured storage
array contains 24 disk ISEs or up to four tape ISEs.
If at any time you detect a failure, see Chapter 8.
Once the verification is complete, the system is ready to be turned over to the
system manager.
4.3 Dual-Host Installation of an SF3xx Storage Array
This section provides the procedures for installing the SF3xx storage array in
a dual-host configuration correctly and safely. Digital Multivendor Customer
Services or trained installing personnel must perform the procedures.
Make sure that all precautions for site preparation have been completed. Refer
to Chapter 1 and Chapter 3.
The following procedures provide the steps to do the following:
• Inspect the SF3xx storage array for correct configuration (Section 4.3.1)
• Convert the storage array from the single-host to the dual-host
configuration. See Appendix C.
• Cable the SF3xx storage array to the host systems in the dual-host
configuration (Section 4.3.2)
• Power up the Sx300 storage array after a successful installation
(Section C.2.5)
• Verify the Sx300 storage array for correct operation (Section C.2.7)
4.3.1 Inspecting the Storage Array (Dual-Host)
This procedure describes the steps to inspect the SF3xx storage array for
correct configuration.
Inspection 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.
Refer to Table 4–1.
b. The MSCP switch should be in the down or enabled position at all
times unless you are instructed to change it to the up or disabled
position.
4–16 Installing an SF3xx Storage Array to a VAX 6000 System
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