SYSTEMS AND METHODS FOR VIRTUAL MACHINE BACKUP PROCESS BY EXAMINING FILE SYSTEM JOURNAL RECORDS
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United States of America Patent
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Issued Date -
Aug 21, 2014
app pub date -
Feb 21, 2014
filing date -
Feb 21, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A new approach is proposed that contemplates systems and methods to support backing up only portions of data associated with a virtual machine that have been changed since the last backup of the data was performed. During a backup process, the proposed approach looks for a journal record of a file system located within one of the partitions on a virtual disk of the virtual machine, wherein the journal record reflects disk operations that have been performed to a storage device associated with a host device/machine running the virtual machine. Once portions of the storage device which data have been modified since the last data backup are identified based on the journal of the file system, only the modified portions of the storage device are submitted to the backup process to be backed up to a backup storage device.
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