IBM Magstar 3494 manual Auto Mode to Pause Mode No Error, Auto Pending Pop-Up Window

1.The library manager checks the status of the interface to the cartridge accessor. If it is not available, a pop-up window is displayed indicating the cartridge accessor interface is unavailable. The operator can cancel the request to Auto mode.

2.The library manager checks the cartridge accessor status. If it is not available because of a previous failure, the accessor is tested to see if it can be made available. If it can be made available, the transition to automatic is attempted. If a hardware problem is detected, the library returns to Pause and a pop-up window indicates the cartridge accessor is unavailable. The operator can cancel the request to Auto mode.

3.The library manager checks the power status of the cartridge accessor. If power is not on, a pop-up window indicates the fault and prompts the operator to ensure all safety interlocks are closed.

4.If the high availability model is installed, the library manager determines which accessor is to be the active accessor based on the previous state. If both are available, the preferred accessor is the local accessor. If both are not available, a pop-up window is displayed. The operator can cancel the request to auto mode.

5.The Pause Mode pop-up window is closed.

6.The Auto LED on the operator panel ¯ashes until the transition is complete and then stays lit. The Auto Pending pop-up window indicates that the library is changing from Pause mode to Auto mode ( Figure 33). Emergency Motion Off recovery is in progress will appear in the pop-up window for a short time during this transition. When emergency motion off recovery is complete, the pop-up window closes.

Figure 33. Auto Pending Pop-Up Window

7.The 3494 enters Auto mode.

8.An attention message is sent to all attached hosts indicating that the state of the library has changed.

Auto Mode to Pause Mode (No Error)

A request to enter Pause mode can be performed by the operator at the operator panel (see ªChanging to Pause Modeº on page 76) or by using the library manager. However the request is generated, the status of the 3494 is checked.

When a request to enter Pause mode is started using the library manager, the following actions occur during the change from the Auto mode to the Pause mode:

1.The Pause Pending pop-up window is displayed indicating that the change to Pause mode is in progress and that the cartridge accessor is being parked. The Pause LED on the operator panel ¯ashes until the transition is complete and then stays lit. The border of the Pause Pending pop-up window alternates

Chapter 4. Operational Modes and States, and Informational States 69