Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition
Reexamination Certificate
2008-01-15
2008-01-15
Thai, Tuan V. (Department: 2186)
Electrical computers and digital processing systems: memory
Storage accessing and control
Specific memory composition
C711S154000, C711S167000
Reexamination Certificate
active
07320050
ABSTRACT:
Embodiments of the invention raise the performance of a HDD by controlling the timing of notifying of command completion. In one embodiment, transmission of command completion notifications to a host is managed by a host interface manager. If two data write addresses respectively for two queued commands are adjacent or near to each other, that is, these addresses on the magnetic disk can be accessed without rotational latency, the host interface manager postpones the transmission of a command completion notification (X) concerning the first write command (X). Two command completion notifications (X) and (Y) are performed at a time after the write data (Y) for the next command is transmitted and its write to the medium is completed.
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Kanamaru Atsushi
Kobayashi Hiromi
Saito Takahiro
Duncan Patrick
Hitachi Global Storage Technologies - Netherlands B.V.
Thai Tuan V.
Townsend and Townsend / and Crew LLP
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