Granted Patent B1

US 10,705,924 · App. 16/212,584 · Granted Jul 7, 2020

Inventors: Vishal Thakur (Pune, IN); Rushikesh Patil (Pune, IN); Sunil Hasbe (Shirur Anantpal, IN)

Assignee: Veritas Technologies LLC

G06F11/1464G06F9/45558G06F9/546G06F11/1484G06F16/27G06F2009/45562G06F2201/815G06F2209/548

Abstract

Claims (60)

1. A computer-implemented method for replicating information with information retention systems, at least a portion of the method being performed by a computing device comprising at least one processor, the method comprising:

queueing, by a filter driver at the source server computing device and until a clone of a virtual machine is created, information communicated between the virtual machine and a source storage device;

initiating creating the clone of the virtual machine on the source server computing device;

sending, via a source replication gateway and to a target server computing device, update information sets comprising the information communicated between the virtual machine and the source storage device prior to initiating the queueing;

inserting a flush marker into a network queue after the last update information set;

stopping, when the flush marker is inserted into the network queue, the queueing of the information communicated between the virtual machine and the source storage device;

sending, after sending the update information sets, the flush marker via the source replication gateway to the target server computing device;

pausing replication of the source storage device;

resuming replication of the source storage device in response to completing creating the clone of the virtual machine; and

sending, to the target server computing device, additional information communicated between the virtual machine and the source storage device after stopping the queueing.

2. The computer-implemented method of claim 1 , further comprising receiving an instruction initiating the cloning of the virtual machine.

3. The computer-implemented method of claim 2 , further comprising receiving, from a graphical user interface, the instruction initiating the cloning of the virtual machine.

4. The computer-implemented method of claim 1 , wherein the target server computing device is a cloud-based computing device.

5. The computer-implemented method of claim 1 , further comprising configuring the clone of the virtual machine to use a cloned target storage device coupled to the target server.

6. The computer-implemented method of claim 1 , further comprising:

recording, in a dirty region log, an indication the queued information communicated between the virtual machine and the source storage device has potentially changed; and

clearing, in response to sending the information communicated between the virtual machine and the source storage device after stopping the queueing, at least a portion of the dirty region log.

7. The computer-implemented method of claim 6 , further comprising storing the dirty region log on the source storage device.

8. The computer-implemented method of claim 1 , further comprising performing a security action comprising:

receiving stored information via the source replication gateway; and

writing the received information to the source storage device.

9. A system for replicating information with information retention systems, the system comprising:

a queueing module, stored in a memory, that queues, by a filter driver at a source server computing device and until a clone of a virtual machine is created, information communicated between the virtual machine and a source storage device;

an initiating module, stored in the memory, that initiates creating the clone of the virtual machine on the source server computing device;

a first sending module, stored in the memory, that sends, via a source replication gateway and to a target server computing device, update information sets comprising the information communicated between the virtual machine and the source storage device prior to initiating the queueing;

an inserting module, stored in the memory, that inserts a flush marker into a network queue after the last update information set;

a stopping module, stored in the memory, that stops, when the flush marker is inserted into the network queue, the queueing of the information communicated between the virtual machine and the source storage device;

a second sending module, stored in the memory, that sends, after sending the update information sets, the flush marker via the source replication gateway to the target server computing device;

a pausing module, stored in the memory, that pauses replication of the source storage device;

a resuming module, stored in the memory, that resumes replication of the source storage device in response to completing creating the clone of the virtual machine;

a third sending module, stored in the memory, that sends, to the target server computing device, additional information communicated between the virtual machine and the source storage device after stopping the queueing; and

at least one physical processor that executes the queuing module, the initiating module, the first sending module, the inserting module, the stopping module, the second sending module, the pausing module, the resuming module, and the third sending module.

10. The system of claim 9 , further comprising a receiving module, stored in the memory, that receives, from a graphical user interface, an instruction initiating the cloning of the virtual machine.

11. The system of claim 9 , wherein the target server computing device is a cloud-based computing device.

12. The system of claim 9 , further comprising a configuring module, stored in the memory, that configures the clone of the virtual machine to use a cloned target storage device coupled to the target server.

13. The system of claim 9 , further comprising:

a recording module, stored in the memory, that records, in a dirty region log, an indication the queued information communicated between the virtual machine and the source storage device has potentially changed; and

a clearing module, stored in the memory, that clears, in response to sending the information communicated between the virtual machine and the source storage device after stopping the queueing, at least a portion of the dirty region log.

14. The system of claim 9 , further comprising a performing module, stored in the memory, that performs a security action comprising:

receiving stored information via the source replication gateway; and

writing the received information to the source storage device.

15. A non-transitory computer-readable medium comprising one or more computer-executable instructions that, when executed by at least one processor of a source server computing device, cause the source server computing device to:

queue, by a filter driver at the source server computing device and until a clone of a virtual machine is created, information communicated between the virtual machine and a source storage device;

initiate creating the clone of the virtual machine on the source server computing device;

send, via a source replication gateway and to a target server computing device, update information sets comprising the information communicated between the virtual machine and the source storage device prior to initiating the queueing;

insert a flush marker into a network queue after the last update information set;

stop, when the flush marker is inserted into the network queue, the queueing of the information communicated between the virtual machine and the source storage device;

send, after sending the update information sets, the flush marker via the source replication gateway to the target server computing device;

pause replication of the source storage device;

resume replication of the source storage device in response to completing creating the clone of the virtual machine; and

send, to the target server computing device, additional information communicated between the virtual machine and the source storage device after stopping the queueing.

16. The non-transitory computer-readable medium of claim 15 , further comprising one or more computer-executable instructions that, when executed by at least one processor of a source server computing device, cause the source server computing device to receive, from a graphical user interface, an instruction initiating the cloning of the virtual machine.

17. The non-transitory computer-readable medium of claim 15 , wherein the target server computing device is a cloud-based computing device.

18. The non-transitory computer-readable medium of claim 15 , further comprising one or more computer-executable instructions that, when executed by at least one processor of a source server computing device, cause the source server computing device to configure the clone of the virtual machine to use a cloned target storage device coupled to the target server.

19. The non-transitory computer-readable medium of claim 15 , further comprising one or more computer-executable instructions that, when executed by at least one processor of a source server computing device, cause the source server computing device to:

record, in a dirty region log, an indication the queued information communicated between the virtual machine and the source storage device has potentially changed; and

clear, in response to sending the information communicated between the virtual machine and the source storage device after stopping the queueing, at least a portion of the dirty region log.

20. The non-transitory computer-readable medium of claim 15 , further comprising one or more computer-executable instructions that, when executed by at least one processor of a source server computing device, cause the source server computing device to perform a security action comprising:

receiving stored information via the source replication gateway; and

writing the received information to the source storage device.

Assignments (12)