HP AG321A Guia de Início Rápido descarregar pdf (Página 7)

16 Powering on the extended library

Power on both Libraries. The Libraries can be powered on in either order.

The initialization sequence is faster when the lower Library is powered

on first.

NOTE:

The Library Extender receives power from the Libraries; it does

not have its own power cord or power button.

Check the LEDs

Green when the master Library is

powered on and the Extender is

installed correctly.

1. Library Extender power status

Green when the Extender is oper-

ating correctly. Flashing when the

Extender has failed with a hard

error and is no longer functional.

2. Master Library connection and

Library Extender status

Green when the lower library is

powered on and the Extender is

installed correctly.

3. Lower Library connection status

All three LEDs will be green when the Extender is installed correctly and

functional. Check the LEDs on the Extender to verify that the Extender is

operating correctly.

Magazines and mailslots

Magazine and mailslot numbering begins with the lower Library and

continues with the master (upper) Library.

Storage slot numbering

Slot numbers (without mailslots

enabled)

Extended Library Configuration

Master LibraryLower LibraryMaster LibraryLower Library

25–721–24MSL4048MSL2024

49–961–48MSL4048MSL4048

25–1201–24MSL8096MSL2024

49–1441–48MSL8096MSL4048

Mailslot numbering

The mailslots in both Libraries can be configured for use in the extended

library.

Mailslot numbers (with all

mailslots enabled)

Extended Library Configuration

Master LibraryLower LibraryMaster LibraryLower Library

M2–M4M1MSL4048MSL2024

M4–M6M1–M3MSL4048MSL4048

M2–M16M1MSL8096MSL2024

M4–M19M1–M3MSL8096MSL4048

Tape drives

Tape drives are numbered starting with the lower Library and continuing

with the master Library.

Any tape drive in the extended Library can host the SCSI Library

interface. The default is the lowest tape drive in the lower Library.

Power supply redundancy

Both Libraries must have a working power supply for the extended library

to operate. To have total power supply redundancy, both Libraries must

have working redundant power supplies. In an extended library, if only

one Library has redundant power supplies installed, the extended library

will continue to operate in case of a power supply failure in that Library.

An extended library containing an MSL2024 cannot have total power

supply redundancy because the MSL2024 only has one power supply.

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