Seagate Medalist 2160WC (ST52160WC) Manual descarregar pdf (Página 93)

3.9 Reserve (10) command (56

)

The Reserve (10) command is used to reserve a logical unit. The 3rd

Party reservation allows logical units to be reserved for another specified

SCSI device.

Bytes

Bits

7654321 0

0 Operation Code (56

)

1 Logical Unit Number

(1)

3rd

Party

(2)

Reserved Extent

(3)

2 Reservation Identification (4)

3 3rd Party Device ID not supported

4 Reserved

5 Reserved

Reserved

7–8 Extent List Length (3)

9 Control Byte (5)

Notes:

. The Logical Unit Number must be 0.

If bit 4 is 0, byte 2 must also be 0.

If bit 4 is 1, byte 2 identifies the SCSI bus ID of the device

for which the drive is reserved.

Extent not supported

Must be 0 if not supported by the drive.

Normally all zeros. Control Byte can be supported as a special

factory-installed option.

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Seagate Medalist 2160WC (ST52160WC) Manual Página 93