ADIC Switches manual Switching over to Dual-AMU, Prerequisites

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4.6Switching over to Dual-AMU

On switching over the passive AMU becomes the active AMU and if pos- sible, the active AMU becomes the passive AMU. The connections of the connection cables between AMU computer and control unit must be changed over for the change.

Prerequisites

•2 AMU computers are installed and in operation

•Both AMU computers are configured identically

Procedure

Step 1 Stop the command stream to the system:

•with the “HOLD” command for HACC/MVS

•by “Setting offline” the drives in the system

Step 2 Switch the AML/J off (Stopping the AML/J system on page 4-4).

Step 3 Change over the connections of the following cables at the con- trol rack:

•Scanner interface cable X17 (COM 2)

•Ribbon cables XJ11, XJ5 and XJ3

Step 4 Close the side door of the control cabinet

Step 5 Switch the AMU (B) computer on

Step 6 Open the AMU log in the 9LHZmenu with the /RJcommand

Step 7 Switch the main switch S3 on the control rack on

Step 8 Switch the host to the Dual-AMU with the corresponding host command

XJ11	XJ3
	XJ5
	X17

Figure 4-3: Plug board of the AML/J control rack

4-8 Operation

DOC D00 025-A

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Contents Operator Guide Page Contents Safety Menus and commandsOperation Processing media Iv Contents DOC D00 025-A Introduction Contents Target groupLayout of the Guide Explanation of the symbols and notes Further documentationBold Technical support AdicProduct observation March 31 Introduction DOC D00 025-A Description of the system Overview of the system components Host connectionDescription of function Functional unitsDrives Control cabinetAML Management Unit AMU Hardware components Storage cells L3 LDTechnical data of the handling unit Handling unitCartridges 6 I/O unitTechnical Data Weight in lbs Weight in kg With Without MediaWidth x depth Height Electrical system NoiseClimatic conditions Europe North AmericaOverview DOC D00 025-A Safety Use as intended Symbol Damage Signal word Definition Consequences PersonsVoltage Material ElectroOr severe injuries are threatening QuenceSystem access Main switchScope Protective devicesSafety DOC D00 025-A Switches on the control cabinet Switch Description Circuit of the main switchFollowing are not DrivesStarting the AML/J system Stopping the AML/J system Normal stoppingStep System is not deenergized completely with the main switch Emergency shutdownRestarting the AML/J system Manual operating mode AMS the 0DQXDO2SHUDWLRQcommand in the 2SHUDWLRQVSwitching over to Dual-AMU PrerequisitesAMU Operation DOC D00 025-A Application Selecting a command Layout of the menu barButton Function Change size of the windows Move windowsClose window Menu overview AMS menu overviewShutdown menu Field ExplanationBefore shutting down stop the communi Cation with the host computer e. g. withCommand Field Explanation Total System Shutdown windowRS\ Edit menuView menu Archive0HGLXP \SH Only with a host command Value of this field can be changedThis command can be executed only After logging in as administrator orSupervisor Existing entry is only overwrittenLVWField/commandRI,V-Explanation Time of day Trace ID Trace text Fe?DPX?ORJV. g. DWUF?QDPHor 3 Log RJField/commandDUFKLYH Explanation LVSOD\ fonts Operator login Operations menuRovhu Manual Operation1DPHfree Disaster Recovery 6WDWXVAdmin menu Administrator LoginWindow menu LqgrzHelp menu 23 Help menuCommandExplanation 25 Help for AMU AML Management Unit window+HOSLQGHHelp index Menus and commands DOC D00 025-A Processing media Overview Problem Foreign DynamicUnit/C enable I/O unit/CInserting cartridges Ejecting cartridges I/O unit/D Hicap Inserting cartridges Ejecting cartridges I/O unit/E Two I/O units/EEjecting cartridges Disaster Recovery Perform a login in the operator menuStart the ejection with 6WDUW Index Hicap Iii March 31 In-iv Index DOC D00 025-A