Use of directory revision number to validate directory
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United States of America Patent
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N/A
Issued Date -
Jun 14, 2007
app pub date -
Nov 29, 2005
filing date -
Nov 29, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An information storage medium such as a magnetic tape medium records a directory revision number as part of each block written to the medium (e.g., data block, ECC block, or information block). The directory revision number can determine if the directory that was read from the tape is valid for the block that was written with that directory revision number. The directory revision number may also be used to rebuild the directory.
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