Quantum DLT-S4 Guia do Utilizador descarregar pdf (Página 252)

100

101

Chapter 4 SCSI Commands

PERSISTENT RESERVE IN Command (5Eh)

DLT-S4 Interface Reference Guide 218

Figure 113 PERSISTENT

RESERVATION IN Type Mask

— Data Format

Table 120 PERSISTENT

RESERVATION IN Type Mas

— Field Descriptions

PTPL_C Always set to 1 indicating the drive support the APTPL feature.

TMV Always set to 1 indicating the Persistent Reservation Type Mark field is valid.

PTPL_A A Persist Through Power Loss Activated (PTPL_A) bit set to one indicates that

persist through power loss capability (see SPC-3) is activated because the most

recent successfully completed

PERSISTENT RESERVE OUT command with

bit set to one in the parameter data. A PTPL_A bit set to zero indicates that the

persist through power loss capability is not activated.

Persistent

Reservation Type

Mask

The

PERSISTENT RESERVATION TYPE MASK field (see figure 113) contains a bit

map that indicates the persistent reservation types that are supported by the

device server.

Bit

7 6 5 4 3 2 1 0

Byte

WR_EX_A

EX_AC_R

WR_EX_RO

Reserve

EX_AC

Reserve

WR_EX Reserved

5 Reserved

EX_AC_A

Field Description

WR_EX_AR The WR_EX_AR bit is set to zero, indicating that the device server does not

support the Write Exclusive – All Registrants persistent reservation type.

Field Description

1 2 ... 247 248 249 250 251 252 253 254 255 256 257 ... 385 386

Comentários a estes Manuais

Sem comentários

Quantum DLT-S4 Guia do Utilizador Página 252

Comentários a estes Manuais

Manuais e produtos relacionados com Unidades de fita magnética Quantum DLT-S4