Distributed snapshot process

摘要

Systems and methods for providing an efficient partitioned resource server are disclosed. The partitioned resource server includes a plurality of individual servers, and the individual servers support a storage service. The systems and methods provide archiving processes for partitioned resources. To this end, the systems and process include a snapshot process operating on a server and capable of coordinating with other snapshot processes operating on the other servers for generating state information representative of the state of the partitioned resources.

主权项

1. A first storage server comprising:
a resource storage device, for storing a first subset of a partitioned resource;
a first connection, for accessing a second subset of the partitioned resource stored on a second storage server, and for exchanging information with the second storage server so that the first and second storage servers operate as a storage area network;a second connection, for providing access to the partitioned resource as a whole by one or more network clients;a routing table storage device, for maintaining a routing table indicating which of the first or second servers is responsible for which subset of the partitioned resource; anda processor, for executing a snapshot process, the snapshot process determining data indicative of a state of at least the first subset of the partitioned resource, and for receiving data over the first connection from the second storage server indicative of a state of at least the second subset of the partitioned resource, and the snapshot process also generating snapshot state information representative of the partitioned resource as a whole, the snapshot state information being representative of a state of partitioned data as maintained by the first and second storage servers, and including at least information concerning a file structure of such partitioned data.