Fujitsu MBA3147RC Product Manual - Page 66

Notes, Correction is

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Installation (1) Error recovery parameters The following parameters are used to control operations such as HDD internal error recovery: a. Read/write error recovery parameters (page code = 1) • AWRE: • ARRE: • TB: • EER: • PER: • DCR: Parameter Automatic alternate block allocation at Write operation Automatic alternate block allocation at read operation Uncorrectable data transfer to the initiator Immediate correction of correctable error Report of recovered error Suppression of ECC error correction • RETRY COUNT AT READ OPERATION • RETRY COUNT AT WRITE OPERATION • RECOVERY TIME LIMIT Default value 1 (enabled) 1 (enabled) 0 (disabled) 1 (enabled) 0 (disabled) 0 (Correction is enabled.) 63 63 30 sec b. Verify error recovery parameters (page code = 7) • ERR: • PER: • DTE: • DCR: Parameter Immediate correction of recoverable error Report of recovered error Stop of command processing at successful error recovery Suppression of ECC error correction • RETRY COUNT AT VERIFICATION Default value 1 (enabled) 0 (disabled) 0 (Processing is continued.) 0 (Correction is enabled.) 63 c. Additional error recovery parameters (page code = 21) Parameter • Retry count at seek error Default value 15 Notes: 1. The user can arbitrarily specify the following parameters according to the system requirements: • ARRE • AWRE • TB • PER 2. The user also can arbitrarily specify parameters other than the above. However, it is recommended to use the default setting in normal operations. 62 C141-E252

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Installation
62
C141-E252
(1)
Error recovery parameters
The following parameters are used to control operations such as HDD internal error recovery:
a.
Read/write error recovery parameters (page code = 1)
Parameter
Default value
• AWRE:
• ARRE:
• TB:
• EER:
• PER:
• DCR:
Automatic alternate block allocation at Write
operation
Automatic alternate block allocation at read
operation
Uncorrectable data transfer to the initiator
Immediate correction of correctable error
Report of recovered error
Suppression of ECC error correction
1 (enabled)
1 (enabled)
0 (disabled)
1 (enabled)
0 (disabled)
0 (Correction is
enabled.)
• RETRY COUNT AT READ OPERATION
• RETRY COUNT AT WRITE OPERATION
• RECOVERY TIME LIMIT
63
63
30 sec
b.
Verify error recovery parameters (page code = 7)
Parameter
Default value
• ERR:
• PER:
• DTE:
• DCR:
Immediate correction of recoverable error
Report of recovered error
Stop of command processing at successful
error recovery
Suppression of ECC error correction
1 (enabled)
0 (disabled)
0 (Processing is
continued.)
0 (Correction is
enabled.)
• RETRY COUNT AT VERIFICATION
63
c.
Additional error recovery parameters (page code = 21)
Parameter
Default value
• Retry count at seek error
15
Notes:
1.
The user can arbitrarily specify the following parameters according to the system
requirements:
ARRE
AWRE
TB
PER
2.
The user also can arbitrarily specify parameters other than the above.
However, it is
recommended to use the default setting in normal operations.