CLOUD STORAGE AND METHOD FOR MANAGING THE SAME
First Claim
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1. A cloud storage managing a plurality of files, comprising:
- a plurality of metadata servers managing a plurality of metadata associated with the plurality of files;
a plurality of data servers managing the data of the plurality of files; and
a cluster management server managing the plurality of metadata servers and the plurality of data servers.
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Abstract
Disclosed is a cloud storage managing a plurality of files, including: a plurality of metadata servers managing a plurality of metadata associated with the plurality of files; a plurality of data servers managing the data of the plurality of files; and a cluster management server managing the plurality of metadata servers and the plurality of data servers.
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Citations
17 Claims
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1. A cloud storage managing a plurality of files, comprising:
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a plurality of metadata servers managing a plurality of metadata associated with the plurality of files; a plurality of data servers managing the data of the plurality of files; and a cluster management server managing the plurality of metadata servers and the plurality of data servers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method for managing a cloud storage including a plurality of metadata servers managing a plurality of metadata associated with a plurality of files, a plurality of data servers managing the data of the plurality of files, and a cluster management server managing the plurality of metadata servers and the plurality of data servers, the method comprising:
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transmitting a specific volume to any second metadata server included in the plurality of metadata servers by any first metadata server included in the plurality of metadata servers when a ratio of a metadata storage space between each of the plurality of metadata servers is changed or user workload is concentrated on the specific volume of the first metadata server; storing the received volume in a repository included in the second metadata server; transmitting the information on the volume migration of the first metadata server and the information on the volume generation of the second metadata server to the cluster management server; and updating the volume list included in the cluster management server based on the transmitted information on the volume migration of the first metadata server and the transmitted information on the volume generation of the second metadata server.
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17. A method for managing a cloud storage including a plurality of metadata servers managing a plurality of metadata associated with a plurality of files, a plurality of data servers managing the data of the plurality of files, and a cluster management server managing the plurality of metadata servers and the plurality of data servers, the method comprising:
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initializing a new metadata server to be newly added; driving a metadata server demon of the new metadata server and requesting the registration of the new metadata server to the cluster management server; and generating at least one volume storing the metadata from the new metadata server and requesting the registration of the at least one generated volume to the cluster management server.
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Specification