METHOD AND SYSTEM FOR DELETING GARBAGE FILES
First Claim
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1. A method of deleting data in a distributed network system, the method comprising:
- attempting deletion of the data in a first data server in which the data is stored among a plurality of data servers;
setting the data to garbage data when the data is not deleted in the first data server;
storing information of the garbage data in a second data server of the plurality of data servers; and
deleting the data from the first data server based on the garbage data when the first data server is restored.
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Abstract
A method and system that can completely delete garbage data in a distributed network system are provided. Because it is impossible to initially access a data server, data to delete is not deleted, and thus when a garbage file is generated, a generated garbage file can be completely deleted. In this case, by performing a deletion operation of a garbage file in a distributed data server unit, operation efficiency can be maximized.
12 Citations
17 Claims
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1. A method of deleting data in a distributed network system, the method comprising:
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attempting deletion of the data in a first data server in which the data is stored among a plurality of data servers; setting the data to garbage data when the data is not deleted in the first data server; storing information of the garbage data in a second data server of the plurality of data servers; and deleting the data from the first data server based on the garbage data when the first data server is restored. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A distributed network system that manages distributedly stored data, the distributed network system comprising:
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a client server configured to search for a data server in which the data is stored and transmit a deletion command of the data, and set undeleted data to garbage data when the data is not deleted; a first data server configured to store the data and receive a deletion command of the data or the garbage data to delete the data; and a second data server configured to store information of the garbage data and transmit a deletion command of the garbage data to the first data server based on the information of the garbage data. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification