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6.Command Specification LOG SENSE
6-28 SONY AIT-3Ex drive SDX-800V series Ver.1.1
Parameter Code Length Default Cumulative Default Threshold
0001h Frame Read or Write 4 0 FFFFFFFFh
0002h Main Data SYMN Block Errors CH1 4 0 FFFFFFFFh
0003h Main Data SYMN Block Errors CH2 4 0 FFFFFFFFh
0004h Reserved 4 0 FFFFFFFFh
0005h Reserved 4 0 FFFFFFFFh
0006h Reserved 4 0 FFFFFFFFh
0007h Reserved 4 0 FFFFFFFFh
0008h Total Retry Count (Read Only) 4 0 FFFFFFFFh
0009h C2 un-correctable Block (Read Only) 4 0 FFFFFFFFh
000Ah SYMN Block Errors R1 4 0 FFFFFFFFh
000Bh SYMN Block Errors R2 4 0 FFFFFFFFh
000Ch SYMN Block Errors R3 4 0 FFFFFFFFh
000Dh SYMN Block Errors R4 4 0 FFFFFFFFh
000Eh Reserved 4 0 FFFFFFFFh
000Fh Reserved 4 0 FFFFFFFFh
0010h Reserved 4 0 FFFFFFFFh
0011h Reserved 4 0 FFFFFFFFh
Block_Error_Rate [CH1] = Param0002h / (Param0001h×N)
Block_Error_Rate [CH2] = Param0003h / (Param0001h×N)
Block_Error_Rate [R1] = Param000Ah / (Param0001h×N/2)
Block_Error_Rate [R2] = Param000Bh / (Param0001h× N/2)
Block_Error_Rate [R3] = Param000Ch / (Param0001h× N/2)
Block_Error_Rate [R4] = Param000Dh / (Param0001h× N/2)
[N]AIT-3Ex Tape: N = 206
AIT3/2 Tape: N = 336
AIT1 Tape: N = 224
The Format of this log page is shown in Table 6-30
Table 6-30: Read and Write Frame Error Counter Page Header format
Bit
Byte
7 6 5 4 3 2 1 0
0 Page Code (34h Write Frame Error Counters, 35h Read Frame Error Counters)
1 Reserved
2 (MSB) Page Length (88h)
3 (LSB)
The Error Counter Parameter format is shown in Table 6-31