Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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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
76543210
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
76543210
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
9BMS 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
