11 log sense page 15 – Hitachi ULTRASTAR 15K450 HUS154530VLF400 User Manual
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Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
156
19.7.11 Log Sense Page 15
This page contains information about Background Medium Scan operations.
Table 134: Log Sense Page 15
The following table describes the BMS Status Parameter structure.
• Power On Minutes indicates the total power on minutes at the time the log page is requested
• BMS Status is described in the following table
Byte
Bit
7
6
5
4
3
2
1
0
0
Reserved
Page code = 15h
1
Reserved
2-3
Page Length = (19 + 24N -3)
Background Medium Scan parameters
4-19
BMS Status Parameter
20-43
First Medium Scan Parameter
...
19+24N
Last Medium Scan Parameter
Byte
Bit
7
6
5
4
3
2
1
0
0-1
Parameter Code = 0000h
2
DU=0
DS=0
TSD=0
ETC=0
TMC=0
F&L = 11b
2-3
Page Length = 0Ch
4-7
Power On Minutes
8
Reserved = 0
9
BMS Status
10-11
Number of Scans Performed
12-13
Medium Scan Progress
14-15
Reserved = 0
BMS Status
Description
00h
No scans active
01h
Background medium scan is active
02h
Background pre-scan is active