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Enabling data integrity checking and faster application recovery in synchronous replicated datasets

  • US 10,228,871 B2
  • Filed: 02/22/2016
  • Issued: 03/12/2019
  • Est. Priority Date: 02/22/2016
  • Status: Active Grant
First Claim
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1. A method comprising:

  • evaluating a snapshot create request using a snapshot replication policy rule to determine whether the snapshot create request comprises a replication label, wherein the snapshot replication policy rule is specified for a synchronous replication relationship between a first node hosting first storage and a second node hosting second storage, the snapshot replication policy rule specifying that the replication label is used to designate that snapshot create requests, targeting the first storage and having the replication label, are to be replicated to the second storage and that snapshot create requests without the replication label are excluded from being replicated to the second storage;

    creating a snapshot of the first storage at the first node based upon the snapshot create request;

    creating a replication snapshot of the second storage at the second node based upon the snapshot create request comprising the replication label; and

    validating data integrity based upon a comparison of the snapshot and the replication snapshot.

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