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Defined identifiers, Defined identifiers 52, Device identification page – HP C737990900 User Manual

Page 51

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Commands 51

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Device Identification Page

The Device Identification page contains information that identifies the tape

drive uniquely. For SCSI, a combination of the Vendor ID and Serial Number is

returned. For Fibre Channel, the Port and Device Names are returned as well.

Identification Descriptors are constructed as follows:

Defined Identifiers

The following identifiers will be returned in the given order. What Port Name is

returned depends on which port the Inquiry is sent to.

7

6

5

4

3

2

1

0

0

Peripheral Qualifier (0)

Peripheral Device Type (1)

1

Page Code (83h)

2

Reserved (0)

3

Page Length (n

-

3)

4

(MSB)

Identification Descriptors

n

(LSB)

7

6

5

4

3

2

1

0

0

Reserved (0)

Code Set

1

Reserved (0)

Identifier Type

2

Reserved (0)

3

Identifier Length (n

-

3)

4

(MSB)

Identifier

n

(LSB)

Code Set

1 The Identification Descriptor is a binary field.
2 The Identification Descriptor contains only ASCII data.

Identifier Type

1 Vendor ID followed by the product identification field from the standard inquiry data and the

serial number field from the Serial Number Inquiry Page.

3 All devices with a Fibre Channel interface support an Identifier type of 3. In this case the

Identification Descriptor is the Fibre Channel 64-bit Name Identifier.