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5.3 Host Commands
Table 5.21 Selective self-test log data structure
Byte(hex) Item
00, 01 Data Structure Revision Number
02 to 09 Starting LBA
0A to 11
Test Span 1
Ending LBA
12 to 19 Starting LBA
1A to 21
Test Span 2
Ending LBA
22 to 29 Starting LBA
2A to 31
Test Span 3
Ending LBA
32 to 39 Starting LBA
3A to 41
Test Span 4
Ending LBA
42 to 49 Starting LBA
4A to 51
Test Span 5
Ending LBA
52 to 151 Reserved
152 to 1EB Vender Unique
1EC to 1F3 Current LBA under test
1F4 to 1F5 Current Span under test
1F6 to 1F7 Feature Flags
1F8 Offline Execution Flag
1F9 Selective Offline Scan Number
1FA, 1FB
Vender Unique
Reserved
1FC, 1FD Selective Self-test pending time [min]
1FE, 1FF Checksum
• Test Span
Selective self-test log provides for the definition of up to five test spans. If the
starting and ending LBA values for a test span are both zero, a test span is not
defined and not tested.
• Current LBA under test
As the self-test progress, the device shall modify this value to contain the LBA
currently being tested.
C141-E269 5-69