Page Length:
The Page Length specifies the total number of bytes contained in this log page, not including the
four bytes of the header.
Statistic Counter structure
Bit 7 6 5 4 3 2 1 0
Byte
0 (MSB) Parameter Code (n)
1 (LSB)
2 DU(0) DS(1) TSD(0) ETC(0) TMC(0) Reserved Reserved LP(0)
3 Parameter Length (4)
4 (MSB)
5 Statistic Counter Value
6
7 (LSB)
Field descriptions:
Parameter Code :
The Parameter Code is a 2-byte value that uniquely identifies the parameter within the log. It
ranges from 1..9.
DU: Disable Update is set for any parameter that the Host cannot reset.
DS: Disable Save. The media changer has no support for SP bit. Set to 1.
TSD: Target shall determine save method, set to 0.
ETC: No threshold comparison, set to 0.
TMC: No threshold supported, set to 0.
LP: The List Parameter field is set to zero for parameters that are counters and set to one for
parameters that are not counters.
Parameter Definition Description DU LP
1 Minutes of Operation: This 4 byte unsigned counter specifies the minutes of
operation. Every minute the device is turned on this
counter will increment.
0 0
2 Number of Power-ups: This 4 byte unsigned counter specifies the number of
times the library is turned on.
0 0
3 Number of Firmware
Updates:
This 4 byte unsigned counter specifies the number of
times the internal flash code (ROM) has been updated.
0 0
4 Number of Loader
Moves:
This 4 byte unsigned counter specifies the number of
times the media changer performed a successful Move
operation.
0 0
5 Number of Event
Entries:
This 4 byte unsigned counter specifies the number of
Event entries in the trace buffer.
0 0
6 Number of Error
Entries:
This 4 byte unsigned counter specifies the number of
Error entries in the trace buffer.
0 0
7 Number of
Informational Entries
This 4 byte unsigned counter specifies the number of
Informational entries in the trace buffer.
0 0
3-18 TL2000 and TL4000 SCSI Reference
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