IBM T200F User Manual download pdf (Page 30)

LOG SELECT

Table 14. LOG SELECT Command

76543210

0 Operation Code (4Ch)

1 Logical Unit Number (0) Reserved PCR SP(0)

2 PC Reserved

3 Reserved

4 Reserved

5 Reserved

6 Reserved

Parameter List Length

9 Control

The LOG SELECT command causes log data on the drive to be reset to its default

value or to be set to an initiator-specific value.

If the Parameter Code Reset (PCR) flag is set, the Parameter List Length is 0, and

the Page Control (PC) field is 01b or 11b, then all the logs on the drive that can be

reset are reset to their default values.

If the Parameter Code Reset (PCR) flag is set, the Parameter List Length is 0, and

the Page Control (PC) field is 00b or 10b, then no action is taken and Good status

is returned.

If the Parameter Code Reset (PCR) flag is clear, the Parameter List Length is not 0,

and the Page Control (PC) field is 01b or 11b, then data is sent from the server and

is written to the indicated logs, provided those logs are writable.

If the preceding conditions do not apply, Check Condition status is returned. The

Sense Key is set to Illegal Request and the ASC/ASCQ is set to Invalid Field in

CDB (2400).

The Save Page (SP) flag is not supported and must be set to 0.

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

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IBM T200F User Manual Page 30