Journaling technique for write transactions to mass storage
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United States of America Patent
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Jul 3, 2007
Grant Date -
Sep 18, 2003
app pub date -
Mar 13, 2002
filing date -
Mar 13, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A technique includes writing blocks of data from a plurality of servers to an array of disks that are shared in common by the servers. Prior to the writing in each block of data to the array of disks, the method includes storing in a journal a copy of the block of data to be written to the array of disks. Also stored in the journal is at least one header, and this header(s) indicates that the copy was successfully stored in the journal.
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