Recording error history embedded rewriteable media
AssigneeStorage Technology Corporation
InventorsRichard A. Gill, Benjamin J. Baron
Life of this patent
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Abstract
A system for recording the history associated with writing data onto rewriteable media includes an access head for writing data onto the media and reading data from the media. A drive motor moves the media past the access head. A write formatter formats data into a device block to be written onto the media. A read formatter detects errors in data read from the media. A control unit determines an error recovery procedure based on an error detected in reading the media and enables the write formatter to insert an indication of the error recovery procedure into the device block. The error recovery procedure is then attempted. The process is repeated until either a successful write occurs or the media is determined to be bad.
Claims6
Rewritable media comprising:
- at least one data track, each data track comprising a plurality of device blocks;
- an indication of the number of attempts required to write each device block;
- and
- an indication of an error type detected when unsuccessfully writing at least one of the device blocks.
Rewritable media comprising:
- at least one data track, each data track comprising a plurality of device blocks;
- an indication of the number of attempts required to write each device block;
- and
- an indication of an error recovery procedure used to successfully write a device block after an unsuccessful attempt at writing the device block.
Dependencies are inferred from the claim text.