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US 2003/0145165 A1Published application
Interrupting disc write operations to service read commands
AssigneeSeagate Technology LLC
InventorsJames Arthur Herbst, Steven Scott Williams, Bradley Ronald Brookes
Life of this patent
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Abstract
Systems and methods in a disc drive improve data transfer performance by interrupting disc write operations to service read commands.
Claims30
A method for servicing read commands in a disc drive, comprising steps of:
- (a) receiving in the disc drive a read command requesting data;
- (b) determining that a disc write operation is in progress in the disc drive;
- and
- (c) discontinuing the disc write operation to service the read command.
1 more element
A method for managing read commands and write operations in a disc drive, comprising steps of:
- (a) receiving a read command in the disc drive;
- (b) determining that a disc write operation is in progress in the disc drive;
- (c) determining if the disc write operation is to be discontinued to service the read command;
- and
- (d) discontinuing the disc write operation to service the read command, if it is determined in determining step (c) that the disc write operation is to be discontinued.
2 more elements
A disc drive comprising:
- a disc on which data associated with a disc write operation are written and from which data associated with a read command are read;
- and
- a write discontinuation means in the disc drive for discontinuing a disc write operation in progress in the disc drive to service a read command.
Dependencies are inferred from the claim text.