Oracle StorageTek T10000

Log Sense Command
64 T10000: Interface Reference Manual August 2016
Log Sense Command
The Log Sense command returns device statistical data to the host.
TABLE 3-26 Log Sense Command
Byte
Bit
76543210
0 Operation Code (4Dh)
1 Reserved PPC SP
2 PC Page Code
3 Subpage Code
4 (MSB) Reserved (LSB)
5
thru
6
(MSB)
Parameter Pointer
(LSB)
7
thru
8
(MSB)
Allocation Length
(LSB)
9 Control Byte
Parameter Value
PPC: Parameter Pointer Control 0 = Send all log parameters for the specified log page
1 = Vendor specific (ignored)
SP: Save Parameters 0 = Not supported
PC: Page Control 00b = Current Threshold Values
01b = Current Cumulative Values
10b = Default Threshold Values
11b = Default Cumulative Values
Page Code: Log page to return 00h = Supported log pages
02h = Write error counter page
03h = Read error counter page
06h = Non-medium error page
0Ch = Sequential access device page
2Eh = Tape alert page
3Ah = Vendor unique drive statistics page (T10000A or
T10000B only)
3Bh = Vendor unique port statistics page
3Ch = Vendor unique drive statistics page (T10000C only)
3Dh = Vendor unique drive statistics page (T10000D only)
Parameter Pointer Return data starting at this parameter code
Allocation Length Maximum length of parameter data to transfer