Log Sense Command; Table 3-26 Log Sense Command - Oracle StorageTek T10000 Reference Manual

Log Sense Command

Log Sense Command
The Log Sense command returns device statistical data to the host.

TABLE 3-26 Log Sense Command

Byte 7
0
1
2 PC
3
(MSB)
4
5 (MSB)
thru
6
7 (MSB)
thru
8
9
Parameter
PPC: Parameter Pointer Control
SP: Save Parameters
PC: Page Control
Page Code: Log page to return
Parameter Pointer
Allocation Length
64 T10000: Interface Reference Manual
6 5 4
Operation Code (4Dh)
Reserved
Subpage Code
Parameter Pointer
Allocation Length
Control Byte
Value
0 = Send all log parameters for the specified log page
1 = Vendor specific (ignored)
0 = Not supported
00b = Current Threshold Values
01b = Current Cumulative Values
10b = Default Threshold Values
11b = Default Cumulative Values
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)
Return data starting at this parameter code
Maximum length of parameter data to transfer
Bit
3 2
Page Code
Reserved
1 0
PPC SP
(LSB)
(LSB)
(LSB)
August 2016