System, method and computer program product for synchronizing data written to tape including writing an index into a data partition
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United States of America Patent
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Mar 28, 2017
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N/A
app pub date -
Dec 10, 2015
filing date -
Jun 25, 2012
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Abstract
A system, method and computer program product for synchronizing data written to tape with improved data recovery. When writing data to tape, an index is kept in memory and updated to reflect change(s) to a file system mounted on tape. After a predetermined amount of data is written to a tape, a device may perform a sync operation, causing the index to be written into a data partition of the tape. If the sync operation is successful, the index in the index partition of the tape can be updated using a copy of the index in the data partition of the tape next time the tape is mounted. If the sync operation is not successful, the device may write the data to a different location on the same or another tape, update the index, and force another sync operation. This process can be repeated.
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