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Abstract

Techniques are described for managing access of executing programs to non-local block data storage. In some situations, a block data storage service uses multiple server storage systems to reliably store copies of network-accessible block data storage volumes that may be used by programs executing on other physical computing systems, and at least some stored data for some volumes may also be stored on remote archival storage systems. A group of multiple server block data storage systems that store block data volumes may in some situations be co-located at a data center, and programs that use volumes stored there may execute on other computing systems at that data center, while the archival storage systems may be located outside the data center. The data stored on the archival storage systems may be used in various ways, including to reduce the amount of data stored in at least some volume copies.

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First Claim