IBM T200F manual Read Block Limits Command, Read Block Limits Descriptor

Models: T200F T200

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READ BLOCK LIMITS

Table 61. READ BLOCK LIMITS Command

 

7

6

5

4

 

3

 

2

1

0

 

 

 

 

 

 

 

 

 

 

0

 

 

 

Operation Code (05h)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Logical Unit Number (0)

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The READ BLOCK LIMITS command requests that the drive return the maximum and minimum block sizes that it supports. The maximum block size is set to 0xFFFFFF and the minimum block size is set to 1.

The format of the data returned is shown in Table 62.

Table 62. READ BLOCK LIMITS Descriptor

 

7

6

5

 

4

3

 

2

1

0

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

:

 

 

Maximum block length limit (FFFFFFh)

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

Minimum block length limit (1)

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

48Ultrium Internal Tape Drive and 3580 Ultrium Tape Drive: SCSI Reference

Page 62
Image 62
IBM T200F manual Read Block Limits Command, Read Block Limits Descriptor, Maximum block length limit FFFFFFh