Enterprise server version migration through identity preservation
First Claim
1. A system comprising:
- one or more near-line servers coupled to one or more live servers that include data that provides services to a plurality of clients; and
an engine coupled to the near-line servers and configured to continuously shadow the live servers by generating and maintaining a replica of the data, wherein the engine is configured to automatically transfer the replica of the data to one or more standby servers in response to an event of the one or more standby servers, wherein the event comprises one or more of a migration event and a drill event.
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Accused Products
Abstract
Systems and methods are described for service availability that provides automated recovery of server service in a timely and application intelligent manner, maintaining application consistency and integrity, while preserving server identity. The systems and methods, referred to herein as a Service Preservation System (SPS), manage complete recovery of server data and preserve continuity of server service, reestablishing user access to server(s) after an event or disaster in which in which primary or other server(s) fail. The failures, disasters, and losses referred to herein can be at many levels and include, but are not limited to, accidental deletion of an item, loss of an entire mailbox, loss of an entire disk drive, loss of an entire server, and/or loss of an entire server site.
141 Citations
27 Claims
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1. A system comprising:
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one or more near-line servers coupled to one or more live servers that include data that provides services to a plurality of clients; and
an engine coupled to the near-line servers and configured to continuously shadow the live servers by generating and maintaining a replica of the data, wherein the engine is configured to automatically transfer the replica of the data to one or more standby servers in response to an event of the one or more standby servers, wherein the event comprises one or more of a migration event and a drill event. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A system comprising:
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one or more near-line servers coupled to one or more live servers that include data that provides services to a plurality of clients; and
an engine coupled to the near-line servers and configured to continuously shadow the live servers by generating and maintaining a replica of the data, wherein the engine is configured to automatically transfer the replica of the data to one or more standby servers in response to an event of the one or more standby servers, wherein the event comprises a migration event that includes migration from a first version of at least one application hosted by the live servers to a second version of the application. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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Specification