×

Adaptive quiesce for efficient cross-host consistent CDP checkpoints

  • US 8,959,059 B2
  • Filed: 09/05/2014
  • Issued: 02/17/2015
  • Est. Priority Date: 02/07/2012
  • Status: Active Grant
First Claim
Patent Images

1. A method for generating cross-host consistent checkpoints for disaster recovery systems, comprising:

  • establishing a first time out period;

    transmitting write quiesce commands to each of a plurality of enterprise host computers, the write quiesce commands including the first timeout period, wherein each of the plurality of enterprise host computers are operative to write enterprise data to source datastores;

    receiving responses from each of the plurality of enterprise host computers, wherein each response indicates if a respective enterprise host computer has successfully stopped writing the enterprise data to the source datastores within the first time out period; and

    comparing a response time from each of the plurality of enterprise host computers to the first time out period; and

    determining a second time out period based on the responses from at least one of the plurality of enterprise host computers.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×