Hp NonStop G-Series Manual de usuario descargar pdf (Pagina 67)

Switchovers

ServerNet Nomadic Disk (Release 2) User’s Guide—523968-001

5-7

From the Primary Node \PRI

Assuming the switch module has power, but cannot be toggled remotely from the

backup node, manually toggle the fiber-optic switches at the primary node to the

opposite position as described in Switch Card Toggle Switches on page 4-8.

From the Backup Node \BCK

1. If you are not using Nomadic Disk Manager:

a. Change the fiber-optic switches at \BCK to the opposite position as described

in Moving the Fiber Optic Switches to the Opposite Position on page 5-4.

b. Use the SWCI STATUS command to verify that switch modules are in the

correct position.

SWCI $SWITCH1.#PRI> STATUS

c. Use the SCF START DISK command to start the nomadic volumes that were

switched from \PRI.

-> START DISK $nomadicvol, $nomadicvol

2. If you are using the Nomadic Disk Manager:

a. Log on as the super ID and start the Nomadic Disk Manager at a TACL prompt.

> NOMADIC

b. Use the TAKE command to take ownership of the Nomadic volumes from \PRI:

1 ND> TAKE DATA

The TAKE command toggles the appropriate switch cards, switching the

volumes to \BCK.

3. Start applications that access data on the Nomadic volumes, and continue

processing.

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Hp NonStop G-Series Manual de usuario Pagina 67