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View Prior Art for Claim 00018

A storage area network comprising:an initiator;

a plurality of mirrored storages; and

a virtualizer, wherein the virtualizer is configured to:receive, at a virtualizer, a write command from an initiator in a storage area network, wherein the storage area network includes the initiator and a plurality of mirrored storages;

send, from the virtualizer, a write command to the plurality of mirrored storages;

receive, at the virtualizer, transfer ready messages from each of the plurality of mirrored storages; and

send a transfer ready message from the virtualizer to the initiator once transfer ready messages have been received from each of the plurality of mirrored storages.

#241Two Phase Commit in Distributed Databases

Applies to Claims 1,15,16,17,18,19,20,8

Submitted by: Larry BreenLast updated: over 3 years ago

Title Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems

ISBN 0-89791-070-2

Description

The standard two phase commit protocol for distributed databases involves a co-ordinator (virtualiser), query to commit (transfer ready), commit (data message), equivalent to this patents claims

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