Disaster recovery rehearsal using copy on write
View Patent ↗A system for disaster recovery rehearsals using copy-on-write may include a data set of an application and a disaster recovery manager. The disaster recovery manager may be configured to perform a disaster recovery rehearsal using a copy-on-write snapshot of the data set.
1. A system comprising:
a processor; and
a computer accessible storage memory coupled to the processor, wherein the memory stores a data set of an application, wherein the data set is a replica data set of a primary data set of the application;
wherein the memory also stores a disaster recovery manager;
wherein the disaster recovery manager is configured to perform a disaster recovery rehearsal using a copy-on-write snapshot of the data set of the application;
wherein, during the disaster recovery rehearsal, updates made to the primary data set are replicated at the replica data set; and
wherein the disaster recovery rehearsal is initiated based on an automated schedule.
2. The system as recited in claim 1 , wherein the replica data set is maintained at a secondary site, and the primary data set is maintained at a primary site.
3. The system as recited in claim 1 , further comprising a physical storage device, wherein at least a portion of the copy-on-write snapshot is stored on the physical storage device, and wherein, after a completion of the disaster recovery rehearsal, the physical storage device is used to store data for another application.
4. The system as recited in claim 1 , further comprising a physical storage device, wherein at least a portion of the copy-on-write snapshot is stored on the physical storage device, and wherein, upon a completion of the disaster recovery rehearsal, the physical storage device is used for one or more off-line analysis operations on the data set.
5. The system as recited in claim 1 , wherein, upon a completion of the disaster recovery rehearsal, the disaster recovery manager is configured to generate a notification of results of the disaster recovery rehearsal.
6. A method, comprising:
creating a copy-on-write snapshot of a data set of an application, wherein the data set is a replica data set of a primary data set of the application;
performing a disaster recovery rehearsal using the copy-on-write snapshot; and
during the disaster recovery rehearsal, replicating changes made to the primary data set to the replica data set;
wherein the disaster recovery rehearsal is initiated based on an automated schedule.
7. The method as recited in claim 6 , wherein the replica data set is maintained at a secondary site, and the primary data set is maintained at a primary site.
8. A computer accessible storage medium storing program instructions, wherein the instructions are executable to:
create a copy-on-write snapshot of a data set of an application, wherein the data set is a replica data set of a primary data set of the application;
perform a disaster recovery rehearsal using the copy-on-write snapshot; and
during the disaster recovery rehearsal, replicate changes made to the primary data set to the replica data set;
wherein the disaster recovery rehearsal is initiated based on an automated schedule.
9. The computer accessible storage medium as recited in claim 8 , wherein the replica data set is maintained at a secondary site, and the primary data set is maintained at a primary site.
10. A system comprising:
a processor; and
a computer accessible storage memory coupled to the processor, wherein the memory stores a data set of an application, wherein the data set is a replica data set of a primary data set of the application;
wherein the memory also stores a disaster recovery manager;
wherein the disaster recovery manager is configured to perform a disaster recovery rehearsal using a copy-on-write snapshot of the data set of the application;
wherein, during the disaster recovery rehearsal, updates made to the primary data set are replicated at the replica data set; and
wherein the disaster recovery rehearsal comprises one or more operations to set up storage devices used by a recovery version of the application.
11. A system comprising:
a processor; and
a computer accessible storage memory coupled to the processor, wherein the memory stores a data set of an application, wherein the data set is a replica data set of a primary data set of the application;
wherein the memory also stores a disaster recovery manager;
wherein the disaster recovery manager is configured to perform a disaster recovery rehearsal using a copy-on-write snapshot of the data set of the application;
wherein, during the disaster recovery rehearsal, updates made to the primary data set are replicated at the replica data set; and
wherein the disaster recovery rehearsal comprises one or more operations to start a recovery version of the application.
12. A system comprising:
a processor; and
a computer accessible storage memory coupled to the processor, wherein the memory stores a data set of an application, wherein the data set is a replica data set of a primary data set of the application;
wherein the memory also stores a disaster recovery manager;
wherein the disaster recovery manager is configured to perform a disaster recovery rehearsal using a copy-on-write snapshot of the data set of the application;
wherein, during the disaster recovery rehearsal, updates made to the primary data set are replicated at the replica data set; and
wherein the disaster recovery rehearsal comprises an execution of one or more tests to verify correct operation of a recovery version of the application.
13. A system comprising:
a processor;
a computer accessible storage memory coupled to the processor, wherein the memory stores a data set of an application, wherein the data set is a replica data set of a primary data set of the application;
wherein the memory also stores a disaster recovery manager;
wherein the disaster recovery manager is configured to perform a disaster recovery rehearsal using a copy-on-write snapshot of the data set of the application;
wherein, during the disaster recovery rehearsal, updates made to the primary data set are replicated at the replica data set; and
a physical storage device, wherein at least a portion of the copy-on-write snapshot is stored on the physical storage device, and wherein, after a completion of the disaster recovery rehearsal, the physical storage device is used to store data for another application.
14. A system comprising:
a processor;
a computer accessible storage memory coupled to the processor, wherein the memory stores a data set of an application, wherein the data set is a replica data set of a primary data set of the application;
wherein the memory also stores a disaster recovery manager;
wherein the disaster recovery manager is configured to perform a disaster recovery rehearsal using a copy-on-write snapshot of the data set of the application; and
wherein, during the disaster recovery rehearsal, updates made to the primary data set are replicated at the replica data set; and
a physical storage device, wherein at least a portion of the copy-on-write snapshot is stored on the physical storage device, and wherein, upon a completion of the disaster recovery rehearsal, the physical storage device is used for one or more off-line analysis operations on the data set.
15. A system comprising:
a processor; and
a computer accessible storage memory coupled to the processor, wherein the memory stores a data set of an application, wherein the data set is a replica data set of a primary data set of the application;
wherein the memory also stores a disaster recovery manager;
wherein the disaster recovery manager is configured to perform a disaster recovery rehearsal using a copy-on-write snapshot of the data set of the application;
wherein, during the disaster recovery rehearsal, updates made to the primary data set are replicated at the replica data set; and
wherein, upon a completion of the disaster recovery rehearsal, the disaster recovery manager is configured to generate a notification of results of the disaster recovery rehearsal.
16. A method, comprising:
creating a copy-on-write snapshot of a data set of an application, wherein the data set is a replica data set of a primary data set of the application;
performing a disaster recovery rehearsal using the copy-on-write snapshot;
during the disaster recovery rehearsal, replicating changes made to the primary data set to the replica data set;
wherein at least a portion of the copy-on-write snapshot is stored on a physical storage device; and
storing data for another application on the physical storage device upon a completion of the disaster recovery rehearsal.
17. A method, comprising:
creating a copy-on-write snapshot of a data set of an application, wherein the data set is a replica data set of a primary data set of the application;
performing a disaster recovery rehearsal using the copy-on-write snapshot;
during the disaster recovery rehearsal, replicating changes made to the primary data set to the replica data set;
wherein at least a portion of the copy-on-write snapshot is stored on a physical storage device; and
performing one or more offline analysis operations on the data set using the physical storage device upon a completion of the disaster recovery rehearsal.