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US 8,908,314 B2Granted
Data file information based selection of tape drive tape speed
AssigneeOracle International Corporation
InventorRyan P. McCallister
Life of this patent
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Abstract
A microprocessor of a tape drive may identify a pattern associated with data files previously written to tape, predict information about a next data file to be written to the tape based on the pattern, select a tape rate based on the predicted information, and operate the tape drive at the selected tape rate.
Claims20
A tape drive system comprising:
- a reel motor;
- a reel adapted to carry a tape and be driven by the reel motor;
- and
- a microprocessor configured to predict whether a size of a data file to be written to the tape is less than a predetermined threshold size and to operate the reel motor at a speed that depends on whether the size of the data file to be written to the tape is less than the predetermined threshold size.
1 more element
A tape drive system comprising:
- a reel motor;
- a reel adapted to carry a tape and be driven by the reel motor;
- and
- a microprocessor configured to predict a type of data file to be written to the tape and to operate the reel motor at a speed that depends on the predicted type of data file.
1 more element
A method for controlling a tape drive comprising:
- identifying a pattern associated with data files previously written to tape;
- predicting information about a next data file to be written to the tape based on the pattern;
- selecting a tape rate based on the predicted information;
- and
- operating the tape drive at the selected tape rate.
2 more elements
Dependencies are inferred from the claim text.