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Chapter 2 Media Changer Commands

Persistent Reserve In Command (5Eh)

Quantum SuperLoader 3 Software Interface Guide 69

Persistent Reserve In Command (5Eh)

The PERSISTENT RESERVE IN command is a 10-byte command used to

obtain information about persistent reservations and registrations that

are active within a device server. It is used in conjunction with the

PERSISTENT RESERVE OUT command.

The following figure illustrates the format of the

PERSISTENT RESERVE

command; the table that follows explains the data fields of the

command.

Figure 45 Persistent Reserve

In Descriptor Block

Note: Support for Persistent Reserve is drive type dependent. See

individual drive documentation for complete details.

Bit

Byte765 4 3210

Operation Code (5Eh)

Reserved Service Action

2 - 6

Reserved

7 – 8

(MSB)

Allocation Length

(LSB)

Unused Reserved Flag Link

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 159 160

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Quantum SuperLoader 3 Guide de l'utilisateur Page 85