Quantum DLT-S4 Betriebsanweisung PDF herunterladen (Seite 219)

100

101

Chapter 4 SCSI Commands

MODE SENSE (6) / (10) Command (1Ah / 5Ah)

DLT-S4 Interface Reference Guide 185

Figure 97 Fibre Channel —

Port Control MODE SENSE

Page — Data Format

Table 105 Fibre Channel —

Port Control MODE SENSE

Page — Field Descriptions

Bit

Byte

7 6 5 4 3 2 1 0

0 PS (0) SPF (0) Page Code (19h)

1 Page Length

2 Reserved Protocol Identifier (0h)

3 DTFD PLPB DDIS DLM RHA ALWLI DTIPE DTOLI

4 — 5 Reserved

6 Reserved RR_TOV Units

7 Resource Recovery Time-out (RR_TOV)

Field Description

PS Parameters Savable. Always set to 0.

SPF SubPage Format. Always set to 0. Indicates that this page uses the page_0 page format.

Page Code Identifies the type of

MODE SENSE page being transferred. A value of 19h identifies this

as the Port Control page.

Page Length Indicates the number of bytes in the page, excluding bytes 0 and 1.

Protocol

Identifier

A value of 0h indicates that this mode page applies to an FCP-2 port (see the Fibre

Channel Protocol – 2 (FCP–2) standard).

DTFD Disable Tape Drive Fabric Discovery. Always set to 0. The drive always recognizes a

fabric loop port if it is present.

PLPB Prevent Loop Port Bypass. Always set to 1. The loop port is always participating and

ignores all LPE and LPB primitives.

1 2 ... 214 215 216 217 218 219 220 221 222 223 224 ... 385 386

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