SCSI Description

￿￿￿￿.1)The￿5'drive.'%6collects￿%QOOCPFand stores￿￿￿performance%J￿data and error summaries in counters. The LOG SELECT command is used to zero these counters. The LOG SELECT command is a complementary command to the LOG SENSE command. The format of the LOG SELECT CDB and a description of the fields follows in Table 5-42and Table 5-43respectively.

LOG SELECT Command Descriptor Block-Data Format

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

Table5-42

 

 

Operation Code (4Ch)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reserved

 

 

 

PCR

SP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

PC

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 – 6

 

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

7 – 8

 

 

 

Parameter List Length

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

$[VG$KV

￿LOG ￿SELECT ￿Command ￿Descriptor Block￿-Field￿Descriptions￿

￿

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(KGNFPCR

 

 

 

Parameter Code Reset.&GUETKRVKQPMust be 1. Causes all

 

 

 

 

 

 

 

 

 

 

the implemented counters to be set to 0.

 

 

 

 

 

 

 

 

 

 

Save Parameters. A value of 1 indicates that

 

 

 

 

 

 

SP

 

 

 

certain counters are to be cleared from non-vol-

 

 

 

 

 

 

 

 

 

 

atile memory.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PC

 

 

 

Page Control. Must be 01b OR 11b.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Parameter

 

 

 

 

 

 

 

 

 

 

Table5-43List Length

 

 

 

Must be 0.

 

 

 

 

 

 

 

 

 

 

 

 

5-36 Maxtor Atlas 10K III

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Maxtor 10K III manual LOG Select Command Descriptor Block-Data Format, Operation Code 4Ch Reserved, Pcr