Network area storage block and file aggregation
First Claim
1. A storage area network having an aggregator server (3) that can access at least one remote storage server (6, 7), the aggregator server operating on a block level protocol and the remote storage server operating on a file level protocol, the aggregator server (3) having a functional unit that maps files of the remote storage server to a respective series of blocks and inputs the block map to a block storage aggregation layer.
1 Assignment
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Accused Products
Abstract
A system for allowing storage servers that operate on an external file level protocol to be incorporated in a storage network that operates with a block level protocol. A functional unit in a main server aggregator 3 retains a block map referred to files on the file level server. The block map is input to the aggregation layer of the aggregator server as if it were a block level store. Block access requests are mapped back to the relevant file and file offset location and the functional unit sends file protocol access requests to the remote file level server and has a file access acceleration system.
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Citations
6 Claims
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1. A storage area network having an aggregator server (3) that can access at least one remote storage server (6, 7), the aggregator server operating on a block level protocol and the remote storage server operating on a file level protocol,
the aggregator server (3) having a functional unit that maps files of the remote storage server to a respective series of blocks and inputs the block map to a block storage aggregation layer.
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4. A method of aggregating remote file level storage in a block level aggregation process the method comprising
defining a file of the remote file level storage as a series of blocks, maintaining a record of the block locations within the file, providing the series of blocks for aggregation in the block level aggregation process and providing access to the record of the block locations within the file from the aggregation process.
Specification