Quantum Scalar i40 Guía de usuario descargar pdf (Pagina 93)

Chapter 4: Configuring the Library

Configuring Tape Drive Parameters

Quantum Scalar i40 and Scalar i80 User’s Guide 65

Note: If the affected partition is online, it will be taken offline before

the parameters are set, and brought back online after they are

set.

Table 5 Fibre Channel Tape

Drive Configurable Settings

Setting Description

Loop ID A unique loop ID is selected by default for all FC tape

drives installed in the library. For example, the tape

drive installed in the top drive bay is assigned a

default loop ID of 61. The tape drive installed in the

bottom drive bay is assigned a default loop ID of 63.

If you change the default loop IDs, make sure each FC

tape drive with a topology setting of Auto (LN), Loop

(L), or Auto (NL) has a unique loop ID.

Requested

Top olo g y*

The requested topology connection mode can be set

to one of the following:

• Auto (LN) — Auto-configure trying L-Port first

• Loop (L) — Force L-Port

• Point to Point — Force N-Port

• Auto (NL) — Auto-configure trying N-Port first

(default)

Requested

Speed*

The requested interface speed can be set to Auto

(Auto-negotiate — default), 1 Gb/s, 2 Gb/s, 4 Gb/s, or

8 Gb/s, depending on the tape drive. For example,

LTO-4 drives will not support speeds faster than

4 GB/s, and LTO-6 tape drives will not support speeds

less than 2 Gb/s. .

* Auto tries to use the most appropriate/fastest drive settings. On the Web

client, the Setup - Drive Settings screen displays both the requested and the

actual FC topology connection mode and interface speed. If FC drives are not

connected to the host, the negotiated actual settings appear on the screen as

“unknown.”

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Quantum Scalar i40 Guía de usuario Pagina 93