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Protocol for communicating data block copies in an error recovery environment

  • US 7,360,113 B2
  • Filed: 08/30/2005
  • Issued: 04/15/2008
  • Est. Priority Date: 08/30/2004
  • Status: Active Grant
First Claim
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1. A system for storing information for later recovery, the system comprising:

  • a data interceptor configured to receive a freelist command, the freelist command comprising one or more first memory addresses within a recovery storage medium, send an envelopes command, the envelopes command comprising the one or more first memory addresses and one or more second memory addresses within a primary storage, and a store data command, the store data command comprising an operation to copy one or more data blocks to the one or more first memory addresses;

    a recovery server configured to receive the envelopes command; and

    a recovery storage comprising the recovery storage medium and configured to receive the store data command.

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