Quantum Scalar 50 LTO-3HH Uživatelská příručka stáhnout pdf (Strana 39)

Chapter 1 Library Description

Library Scalability (Stacked Configurations)

Quantum Scalar 50 User’s Guide 15

Library Scalability (Stacked Configurations)

The Scalar 50 library modules can be used as stand-alone libraries, or

combined with other Scalar 50 library modules in a standard 19-inch rack

to form a larger library system (called a multiple library stack). The

multiple library or stacked configuration appears as a single large

capacity library (or multiple libraries if partitioned) to the host (see

figure 7).

Multiple Library Stack

Requirements 1

To ensure the proper operation of your multiple library stack, review the

following list of multiple library stack requirements:

• Multiple library stacks that contain a Scalar 50 can NOT exceed two

library cabinets.

• The Scalar 50 must be the Master library in a multiple library stack

containing PX502 libraries.

• The Master library must always be in the bottom most position in the

library stack.

• If a Scalar 50 is stacked with PX502 libraries, the PX502 can NOT

contain an HP LTO-2 tape drive or a FC1202 Fibre Channel bridge.

These devices are not supported by Scalar 50.

• All Scalar 50 libraries must have full capacity enabled.

• A library that contains SAS drives cannot be shared with SCSI or

Fibre Channel libraries.

• If your Scalar 50 is not already enabled with full slot capacity, you

must initially configure the Scalar 50 libraries and enable

Full

capacity with a

Capacity Key before configuring the cabinets as

Master and Slave libraries (see

Library on page 125 for more Capacity

Key information).

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Quantum Scalar 50 LTO-3HH Uživatelská příručka Strana 39