IP Library › Granted Patent US 12,189,499
Granted Patent B2
US 12,189,499 · App. 17/877,769 · Granted Jan 7, 2025

Self-service restore (SSR) snapshot replication with share-level file system disaster recovery on virtualized file servers

Inventors: Eric Wang (San Jose, CA); Kalpesh Ashok Bafna (Fremont, CA)
Assignee: Nutanix, Inc.
G06F11/1471G06F11/1451G06F11/1469
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Quick Facts
Patent No.
US 12,189,499
App. No.
17/877,769
Filed
Jul 29, 2022
Granted
Jan 7, 2025
Kind
B2
Art Unit
2132
USPC
711/162
Abstract

Examples of systems described herein provide for share-level disaster recovery on, for example, virtualized file servers by enabling additional snapshots, including self-service recovery (SSR) snapshot migration in addition to replication snapshot migration to a disaster recovery location. In examples, a disaster recovery location may receive a replication of a share of a file system, the snapshot configured for recovery of the share at the disaster recovery location. The replication snapshot may include one or more additional snapshots, each taken since a time of a previous replication snapshot. At least one of the one or more additional snapshots may include an SSR snapshot, identifiable based at least on a tag associated with a process used to create the SSR snapshot at a primary location. The at least one additional snapshot may be extracted for use by another instance of the process at the disaster recovery location.

Claims (43)

1. At least one non-transitory computer readable medium encoded with executable instructions which, when executed, cause a system to perform operations comprising:

receive a replication snapshot of a share of a file system at a disaster recovery location, wherein the replication snapshot is configured for recovery of the share at the disaster recovery location, and wherein the replication snapshot includes an additional snapshot taken since a time of a previous replication snapshot;

identify the additional snapshot as a self-service recovery (SSR) snapshot based on a tag associated with a process used to create the additional snapshot; and

extract the additional snapshot for use by another instance of the process at the disaster recovery location.

2. The non-transitory computer readable medium of claim 1 , wherein the replication snapshot and the additional snapshot are generated at a primary location.

3. The non-transitory computer readable medium of claim 2 , wherein the process used to create the additional snapshot is a self-service restore process.

4. The non-transitory computer readable medium of claim 1 , wherein the another instance of the process at the disaster recovery location used to identify the additional snapshot is another self-service restore processes.

5. The non-transitory computer readable medium of claim 1 , wherein the replication snapshot received at the disaster recovery location comprises a primary retention policy.

6. The non-transitory computer readable medium of claim 5 , wherein the additional snapshot identified at the disaster recovery location comprises a secondary retention policy, different from the primary retention policy, wherein the primary and secondary retention policies are manually configurable, automatically configurable, or combinations thereof, and wherein the primary and secondary retention policies are SSR retention policies.

7. The non-transitory computer readable medium of claim 1 , wherein the tag associated with the identified additional snapshot corresponds to retention information, identification information, timestamp information, or combinations thereof.

8. The non-transitory computer readable medium of claim 1 , wherein the replication snapshot includes the additional snapshot included in one or more additional snapshots, each of the one or more additional snapshots taken since the time of the previous replication snapshot.

9. The non-transitory computer readable medium of claim 1 , wherein a file server comprises a plurality of virtualized computing instances, each of the plurality of virtualized computing instances configured to present a namespace of storage items of the file system.

10. The non-transitory computer readable medium of claim 9 , wherein the file server comprises a plurality of host machines, each host machine configured to host at least one of a plurality of virtualized computing instances.

11. The non-transitory computer readable medium of claim 9 , wherein the replication snapshot of the file server includes snapshots of the plurality of virtualized computing instances.

12. The non-transitory computer readable medium of claim 10 , wherein at least one of the plurality of virtualized computing instances is configured to manage access requests for a storage item of the file system.

13. The non-transitory computer readable medium of claim 12 , wherein the storage item is stored in a storage pool, the storage pool including local storage devices of at least one of the plurality of host machines.

14. A method comprising:

generating a replication snapshot of a share of a file system at a first location, wherein the replication snapshot comprises one or more additional snapshots, each taken since a time of a previous replication snapshot;

transmitting the replication snapshots, including the one or more additional snapshots, to a second location; and

extracting a first additional snapshot, from the replication snapshot, at the second location, for use by an instance of a process at the second location, wherein the extracting is based at least on a tag associated with the process used to create the first additional snapshot.

15. The method of claim 14 , wherein the first location is a primary location, and wherein the second location is a disaster recovery location.

16. The method of claim 15 , wherein the replication snapshot is configured for recovery of the share at the disaster recovery location.

17. The method of claim 14 , further comprising identifying the first additional snapshot as a self-service recovery (SSR) snapshot, wherein the identifying is based on the tag, and wherein the identified first additional snapshot is extracted for use by the instance of the process at the second location.

18. The method of claim 14 , wherein the process used to create the first additional snapshot is a self-service restore process.

19. The method of claim 14 , wherein the replication snapshot received at the second location comprises a primary retention policy.

20. The method of claim 19 , wherein each of the one or more additional snapshots, including the first additional snapshot, comprises a secondary retention policy, different from the primary retention policy, wherein the primary and secondary retention policies are manually configurable, automatically configurable, or combinations thereof, and wherein the primary retention policy is a primary SSR retention policy, and wherein the secondary retention policy is a secondary SSR retention policy.

21. The method of claim 14 , wherein a file server includes a plurality of host machines, and wherein each of the host machines is configured to host at least one of a plurality of virtualized computing instances.

22. The method of claim 21 , wherein the file server includes a storage pool, and wherein the storage pool includes a local storage device of at least one of the host machines.

23. The method of claim 22 , wherein the plurality of virtualized computing instances are configured to manage access requests for a storage item of the file system.

24. A system comprising:

a primary file server, the primary file server including:

a virtualized computing instance configured to form a cluster with other virtualized computing instances, the virtualized computing instance further configured to present a namespace of storage items;

a storage pool, the storage pool accessible to the virtualized computing instance and configured to store the namespace of storage items, wherein the virtualized computing instance is configured to manage access requests for a particular storage item in the namespace of storage items; and

a secondary file server, the secondary file server configured to host a replication snapshot of a share of a file system of the primary file server, and at least one additional snapshot identifiable as a self-service recovery (SSR) snapshot based on a tag and taken since a time of a previous replication snapshot, wherein the replication snapshot is configured for recovery of the share at the secondary file server.

25. The system of claim 24 , wherein the replication snapshot comprises the at least one additional snapshot, and wherein the secondary file server is further configured to identify the at least one additional snapshot as the self-service recovery (SSR) snapshot based on the tag associated with a process used to create the at least one additional snapshot.

26. The system of claim 24 , wherein the secondary file server is further configured to extract the at least one additional snapshot for use by another instance of the process at the secondary file server.

27. The system of claim 24 , wherein the primary file server includes a primary location and herein the secondary file server comprises a disaster recovery location, wherein the primary file server is different from the secondary file server.

28. The system of claim 24 , wherein the replication snapshot and the at least one additional snapshot are generated at the primary file server.

29. The system of claim 28 , wherein the process used to create the at least one additional snapshot is a self-service restore process.

30. The system of claim 24 , wherein a replication snapshot comprises a primary retention policy and the additional snapshot comprises a secondary retention policy different from the primary retention policy, wherein the primary and secondary policies are SSR retention policies.

31. The system of claim 25 , wherein the tag associated with the at least one additional snapshot corresponds to retention information, identification information, timestamp information, or combinations thereof.

32. The system of claim 24 , wherein the primary file server comprises a plurality of host machines, and wherein each of the plurality of host machines is configured to host at least one of the virtualized computing instances.

33. The system of claim 32 , wherein the storage pool includes at least one local storage device of the plurality of host machines.

Assignments (2)
SECURITY INTEREST Recorded Feb 13, 2025
From: NUTANIX, INC.
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 070206/0463 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 11, 2022
From: WANG, ERIC; BAFNA, KALPESH ASHOK
To: NUTANIX, INC.
Reel/Frame 061744/0388 →
Continuity (1)
Related Publication 20240045774A1 · Feb 8, 2024
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