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5.1 Mode Parameters
a. S_L_FULL (Suspended on Log FULL)
"1": Scanning is interrupted if the BMS Result Log Medium Scan
Parameter indicates full status.
"0": Scanning continues even if the BMS Result Log Medium Scan
Parameter indicates full status.
b. LOWIR (Log Only When Intervention Required)
"1": Error information is stored in the BMS Result Log Medium Scan
Parameter only when the host requires information for error
processing.
"0": All error information is stored in the BMS Result Log Medium Scan
Parameter.
c. EN_BMS (Enable Background Media Scan)
"1": a background medium scan operations are enabled.
"0": a background medium scan is disabled.
Background medium scanning means the operation is performed without
using any bandwidth on the interface.
d. EN_PS (Enable Pre-Scan)
"1": Pre-Scan is enabled.
"0": Pre-Scan is disabled.
The background pre-scan feature is enabled by setting the EN_PS bit in the
Background Control mode page, then setting the EN_PS bit and power
cycling the device. After power is restored the pre-scan timer is set and the
device begins scanning the medium starting at LBA zero and ending with the
last LBA.
After one pre-scan processing, HDD do not execute the next pre-scan
processing until the following sequence.
1. EN_PS bit set to '0'
2. EN_PS bit set to '1'
3. Power Off and On
e. BMS Interval Time
This parameter specifies the minimum time, in hours, between the start of one
pre-scan or background medium scan operation and the start of the next
background medium scan operation.
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