Journaling ordered changes in a storage volume
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United States of America Patent
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Feb 13, 2001
Grant Date -
N/A
app pub date -
Jun 12, 1998
filing date -
Jun 12, 1998
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Abstract
A change journal for recording changes to files in a storage volume of a computer system keeps a record for each notable change to a file. Each record is given a unique update sequence number, which is a serial number of ever-increasing value assigned to each record. Each record includes one or more change reasons specifying what type of action occurred with respect to the associated file. The presence of a close file change reason in a record connotes that the record includes all the notable changes made to the file in a preceding file session, which is defined as the time occurring after the last time a close file change reason was entered in a change record, up to the time of the next succeeding close file change reason. For each file, an entry is made in the storage volume's master file table referencing the change record that currently includes the most up-to-date information on the status of the change reasons for the file.
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Patent Owner(s)
- MICROSOFT TECHNOLOGY LICENSING, LLC
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Andrew, Brian D | Redmond, WA | 9 | 930 |
Cabrera, Luis Felipe | Bellevue, WA | 221 | 9610 |
Kimura, Gary D | Kirkland, WA | 8 | 878 |
Miller, Thomas J | Bellevue, WA | 114 | 3123 |
Zbikowski, Mark J | Woodinville, WA | 31 | 1465 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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