SCSI Description
5–56
Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives
LOG SENSE Command (4Dh) (continued)
5.13.2 LOG SENSE Log Pages
The log pages that are returned from the drive have a common format that is shown
in Figure 5
−
22. Each page contains a 4-byte header followed by one or more log
parameters. Refer to Table 5
−
23.
Bit
Byte
7
6
5
4
3
2
1
0
0
Reserved
Page Code
1
Reserved
2 – 3
Page Length (n-3)
4 to
x+3
Log Parameter (first)
(length x)
1
•
•
•
•
•
•
•
•
n-y+1
to n
Log Parameter (last)
(length y)
1
NOTE:
1
Length x or y is the sum of parameter header and parameter data value bytes.
Figure 5
−
22 LOG SENSE Log Page Format
−
Data Format
Table 5
−
23 LOG SENSE Log Page Format
−
Field Descriptions
Field
Description
Page Code
The page code as given in Table 5
−
20.
Page Length
The allocation length for the page minus the 4-byte header.
Log Parameter
One or more log data entities that are returned as par of a Log Page. Each
Log Parameter starts with a 4-byte header followed by one or more bytes
of
value
data. In most cases, the parameter value is a 4-byte longword
that contains the present value of an error or performance counter. See
Figure 5
−
23 for the format of a generic log parameter.
Summary of Contents for Quantum Atlas 10K II 9.2/18.4/36.7/73.4 GB
Page 15: ...Contents Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives xv...
Page 19: ...Contents Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives xix...
Page 25: ...About This Manual 1 4 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 55: ...Installation 3 28 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 69: ...SCSI Description 5 2 Quantum Atlas 10K II Ultra160 m SCSI Hard Disk Drives...
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Page 315: ...Feature Descriptions 6 14 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 321: ...Appendix A Quick Reference A 6 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 363: ...Appendix B SCSI Bus Signal Timing B 42 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 369: ...Index I 4 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
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