Fujitsu MAP3147 Computer Drive User Manual


 
Sense Data Error Recovery Methods
5 - 26 C141-E167
b. Verify Error Recovery Parameters (Page Code = 7)
EER (enable early recovery)
PER (post error)
DTE (disable transfer on error)
DCR (disable correction)
Number of retries during verify (See Table 5.5)
c. Additional Error Recovery Parameters (Page Code = 21)
Number of retries during seek error (See Table 5.5)
Table 5.5 Disk drive errors and number of retries
Item Type of Error Number of Tries Specification [Default value]
1 Seek Error Number of Retries during a Seek Error [15]
2 Data field Read Error
of Data field
Number of Retries during Read or [64]
Number of Retries during Verify
Remark:
The number of retries is calculated single logical sector processing units, except in the following
cases.
The number of retries is calculated as individual retries.
In processing of data blocks for which alternate sector processing is completed, the number
of retries on the defective sectors is calculated separately from the number of retries on the
alternate sectors.