Manx SA7x Installationsanleitung PDF herunterladen (Seite 274)

CAUTION

The following procedure assumes that the Sx300 storage array, and the

Sx72 storage enclosures and magazine tape subsystems in the array,

have been correctly installed and conﬁgured according to the standard

bus and conﬁguration guidelines in this installation guide.

Locate the system conﬁguration sheet an example can be found

in Figure C–1 and make sure that it is ﬁlled out. If the system

conﬁguration sheet does not exist, ﬁll one out immediately.

Note

The host systems must be taken down to perform any of the steps

in this procedure, unless otherwise stated. Before cabling the Sx300

storage array to the second host system, run the EVCXF conﬁguration

program under VAX/DS and set the DSSI ID number of all KFMSA

modules in the second host system to 6. Refer to the KFMSA Module

Installation and User Manual for instructions on how to change the

KFMSA module DSSI ID number.

C.1 Securing the Array for Conversion

Once the host systems have been correctly brought down, perform the following

steps:

1. Take each integrated storage element (ISE) installed in the Sx300 storage

array off-line.

a. For all Sx72 storage enclosures, press all operator control panel (OCP)

Ready buttons to their out position.

b. For all magazine tape subsystems, press the Load/Unload button. Wait

until the cartridge is returned to the magazine and the In-Use light

emitting diode (LED) is extinguished.

2. For all Sx72 storage enclosures, press all drive dc power switches to their

out position.

3. For all Sx72 storage enclosures and magazine tape subsystems, turn the ac

power switches located at the rear of each to their 0 or off position.

C–2 Converting a Single-Host Conﬁguration to a Dual-Host Conﬁguration

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Manx SA7x Installationsanleitung Seite 274