Hitachi HDT725025VLA380 Specifications - Page 33
Defect flagging strategy
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5.0 Defect flagging strategy Media defects are remapped to the next available sector during the Format Process in manufacturing. The mapping from LBA to the physical locations is calculated by an internally maintained table. Shipped format • Data areas are optimally used. • No extra sector is wasted as a spare throughout user data areas. • All pushes generated by defects are absorbed by the spare tracks of the inner zone. Table 12: PATA Plist physical format N N +1 defect N +2 defect N +3 s k ip s k ip Defects are skipped without any constraint, such as track or cylinder boundary. Deskstar T7K500 Hard Disk Drive Specification 19
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Deskstar T7K500 Hard Disk Drive Specification
19
5.0
Defect flagging strategy
Media defects are remapped to the next available sector during the Format Process in manufacturing. The
mapping from LBA to the physical locations is calculated by an internally maintained table.
Shipped format
•
Data areas are optimally used.
•
No extra sector is wasted as a spare throughout user data areas.
•
All pushes generated by defects are absorbed by the spare tracks of the inner zone.
Table 12: PATA Plist physical format
Defects are skipped without any constraint, such as track or cylinder boundary.
N
N+1
N+2
N+3
defect
defect
skip
skip