Installation
(1)Error recovery parameter
The following parameters are used to control operations such as the HDD internal error recovery:
a. Read/write error recovery parameters (page code = 1)
| Parameter |
• AWRE: | Automatic alternate block allocation at Write |
| operation |
• ARRE: | Automatic alternate block allocation at read |
| operation |
• TB: | Uncorrectable data transfer to the initiator |
• EER: | Immediate correction of correctable error |
• PER: | Report of recovered error |
• DCR: | Suppression of ECC error correction |
•Retry count at read operation
•Retry count at write operation
•Recovery time limit
b. Verify error recovery parameters (page code = 7)
| Parameter |
• ERR: | Immediate correction of recoverable error |
• PER: | Report of recovered error |
• DTE: | Stop of command processing at successful |
| error recovery |
• DCR: | Suppression of ECC error correction |
•Retry count at verification
c. Additional error recovery parameters (page code = 21)
Parameter
• Retry count at seek error
Default value
1(enabled)
1(enabled)
1(enabled)
1(enabled)
0 (disabled)
0 (Correction is
enabled.)
63
63
30 sec
Default value
1(enabled)
0 (disabled)
0 (Processing is
continued.)
0 (Correction is
enabled.)
63
Default value
15
|
