×

Freeze a volume of a replication set and unfreeze the volume based on at least one of a snapshot permit message, a snapshot abort message, and expiration of a timeout

  • US 10,705,927 B2
  • Filed: 07/19/2018
  • Issued: 07/07/2020
  • Est. Priority Date: 07/19/2018
  • Status: Active Grant
First Claim
Patent Images

1. A system comprising:

  • an upstream volume controller having;

    a processor; and

    a non-transitory machine-readable storage medium comprising instructions executable by the processor to;

    freeze an upstream volume, the upstream volume being in a replication set with a downstream volume;

    receive a snapshot creation request;

    create a snapshot of the upstream volume;

    send one of a snapshot permit message or a snapshot abort message to a downstream volume processor; and

    unfreeze the upstream volume responsive to at least one of;

    the sending of the one of the snapshot permit message or the snapshot abort message;

    orexpiration of a timeout corresponding to a maximum time period during which the upstream volume is to remain frozen.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×