System and method for reallocating blocks in checkpointing bitmap-based file systems
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United States of America Patent
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Jun 12, 2007
Grant Date -
N/A
app pub date -
Mar 21, 2003
filing date -
Mar 21, 2003
priority date (Note) -
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Abstract
A system and method for reallocating block in a checkpointing bitmapped-based file system is provided. The system and method enable blocks to be allocated or reallocated during checkpoints which permits various file system processes to proceed during the checkpointing process. An additional copy of the bitmap is created when the bitmap is being written to disk, thereby enabling these various file system processes to continue to operate on a bitmap during the checkpointing process.
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