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SYSTEM AND METHOD FOR OPTIMIZING MULTI-PATHING SUPPORT IN A DISTRIBUTED STORAGE SYSTEM ENVIRONMENT
SYSTEM AND METHOD FOR OPTIMIZING MULTI-PATHING SUPPORT IN A DISTRIBUTED STORAGE SYSTEM ENVIRONMENT
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机译:在分布式存储系统环境中优化多路径支持的系统和方法
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摘要
A Multi-Pathing Optimization Module (MPOM) interfaces with a client to route a data access request along a most optimal path to a storage system serving data container stored on a striped volume set (SVS). The MPOM constructs and references a Location Data Structure (LDS) containing striping rules associated with the SVS, a list of network elements (N-blades) operatively connected to the client, and a list of disk elements (D- blades) sharing a node of the storage system with the listed N-blades. The MPOM executes a Client_Locate( ) function on a per data access request basis to identify the D- blade serving the volume which will receive the request. When possible, the MPOM routes the data access request directly to the N-blade sharing a node with the identified D-blade, thereby using the most optimal path from the client to the SVS.
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