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公开(公告)号：US12229148B2
公开(公告)日：2025-02-18
申请号：US18464378
申请日：2023-09-11
Applicant: NetApp Inc.
Inventor： Sharankumar Yelheri , Atul Ramesh Pandit , Tijin George
Abstract: Techniques are provided for on-demand creation and/or utilization of containers and/or serverless threads for hosting data connector components. The data connector components can be used to perform integrity checking, anomaly detection, and file system metadata analysis associated with objects stored within an object store. The data connector components may be configured to execute machine learning functionality to perform operations and tasks. The data connector components can perform full scans or incremental scans. The data connector components may be stateless, and thus may be offlined, upgraded, onlined, and/or have tasks transferred between data connector components. Results of operations performed by the data connector components upon base objects may be stored within sibling objects.
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公开(公告)号：US12229010B2
公开(公告)日：2025-02-18
申请号：US17730899
申请日：2022-04-27
Applicant: NetApp Inc.
Inventor： Rakesh Bhargava M. R. , Murali Subramanian , Tijin George , Ching-Yuk Paul Ngan
IPC: G06F11/14
Abstract: Techniques are provided for volume group backup, volume group restore, and volume group garbage collection for volume groups backed up to an object store. A volume group workflow is implemented to orchestrate individual consistent volume workflows that are separately and individually implemented by nodes hosting constituent volumes of a volume group. The volume group workflow and the individual consistent volume workflows are performed to back up the volume group to the object store, restore a volume group backup from the object store to a restore destination, and/or perform garbage collection on slots of objects storing data unique to a volume group backup to delete.
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63.发明授权公开(公告)号：US12210757B2
公开(公告)日：2025-01-28
申请号：US18340976
申请日：2023-06-26
Applicant: NetApp Inc.
Inventor： Tijin George , Jagavar Nehra , Roopesh Chuggani , Dnyaneshwar Nagorao Pawar
Abstract: Techniques are provided for incremental snapshot copy to an object store. A list of deallocated block numbers of primary storage of a computing device are identified. Entries for the list of deallocated block numbers are removed from a mapping metafile. A list of changed block numbers corresponding to changes between a current snapshot of the primary storage and a prior copied snapshot copied from the primary storage to the object store is determined. The mapping metafile is evaluated using the list of changed block numbers to identify a deduplicated set of changed block numbers without entries within the mapping metafile. An object, comprising data of the deduplicated set of changed block numbers, is transmitted to the object store for storage as a new copied snapshot.
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公开(公告)号：US20240403173A1
公开(公告)日：2024-12-05
申请号：US18641800
申请日：2024-04-22
Applicant: NetApp, Inc.
Inventor： Sanhita Praveen Dhavale , Tijin George , Allan Jessie Sur
IPC: G06F11/14
Abstract: Techniques are provided for a data format for efficient management of checkpoint support. The data format corresponds to a base metafile and a set of instance metafiles used to track storage operations such as a directory restore operation. The base metafile and the set of instance metafiles can be used to resume the storage operation from where the storage operation left off in the event of a failure. The base metafile and the set of instance metafiles can be used to track progress of the storage operation processing objects stored within an object store of a cloud storage environment.
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公开(公告)号：US20240403171A1
公开(公告)日：2024-12-05
申请号：US18423365
申请日：2024-01-26
Applicant: NetApp Inc.
Inventor： Sanhita Praveen Dhavale , Tijin George , Avanthi Rajan , Hatsha Vardhan Reddy Perannagari , Sumedh Guha
IPC: G06F11/14
Abstract: Techniques are provided for performing a storage operation targeting objects stored across multiple storage tiers of a cloud storage environment. A volume may be backed up as objects stored across the multiple storage tiers of the cloud storage environment, such as a standard storage tier directly accessible to the storage operation, an archival storage tier not directly accessible to the storage operation, etc. The storage operation may target the objects, such as where the storage operation is a directory restore operation to restore a directory of the volume. The storage operation can be successfully implemented such as to restore the directory even though objects of the storage operation are stored across the multiple storage tiers of the cloud storage environment.
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Patent Agency Ranking
公开(公告)号：US20240275814A1
公开(公告)日：2024-08-15
申请号：US18168739
申请日：2023-02-14
Applicant: NetApp, Inc.
Inventor： Tijin George , Vijay Srinath , Ling Zheng
CPC classification number: H04L63/1466 , G06F16/125 , G06F16/128 , H04L63/1416 , H04L63/1425
Abstract: Systems and methods for creation and retention of immutable snapshots to facilitate ransomware protection are provided. According to one embodiment, multiple use cases for retention of snapshots are supported, including (i) maintaining a locked snapshot on a source volume of a first storage system on which it was originally created for at least an associated immutable retention time; (ii) replicating the locked snapshot to a destination volume of a second storage system and also maintaining the replica of the locked snapshot on the destination volume for at least the associated immutable retention time; and (iii) maintaining an unlocked snapshot on the source volume, replicating the unlocked snapshot to the destination volume, locking the replicated snapshot on the destination volume when it has an associated non-zero immutable retention time, and thereafter maintaining the replica on the destination volume in accordance with the immutable retention time.
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公开(公告)号：US20240184746A1
公开(公告)日：2024-06-06
申请号：US18438821
申请日：2024-02-12
Applicant: NetApp, Inc.
Inventor： Tijin George , Jagavar Nehra , Roopesh Chuggani , Dnyaneshwar Nagorao Pawar , Atul ramesh Pandit , Kiyoshi James Komatsu
IPC: G06F16/11 , G06F16/13 , G06F16/901 , G06F16/9035 , G06F16/907
CPC classification number: G06F16/128 , G06F16/13 , G06F16/902 , G06F16/9035 , G06F16/907
Abstract: Techniques are provided for managing objects within an object store. An object is maintained within an object store. In an embodiment, a rule is enforced for the object that in-use slots of the object are non-modifiable and unused slots of the object are modifiable. Metadata of additional information for a slot within the object is attached to the object header. A first application allowed to access user data within the slot is provided access to the user data without being provided access to the metadata. A second application allowed access to the user data and the additional information is provided with access to the user data and the metadata for identifying a location of additional information within the object.
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公开(公告)号：US20240118977A1
公开(公告)日：2024-04-11
申请号：US18541143
申请日：2023-12-15
Applicant: NetApp, Inc.
Inventor： Ling Zheng , Atul Ramesh Pandit , Tijin George , Ravindra Ramachandraiah Kuramkote
IPC: G06F11/14
CPC classification number: G06F11/1451 , G06F11/1458
Abstract: Techniques are provided for incremental backup to an object store. A request may be received from an application to perform a backup from a volume hosted by a node to a backup target within the object store. A set of changed files within the volume since a prior backup of the volume was performed to the backup target is identified, along with metadata associated with the set of changed files. The metadata is utilized to identify changed data blocks comprising data of the set of changed files that was modified since the prior backup. The changed data blocks are backed up to the object store.
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公开(公告)号：US11914884B2
公开(公告)日：2024-02-27
申请号：US18178706
申请日：2023-03-06
Applicant: NetApp Inc.
Inventor： Atul Ramesh Pandit , Tijin George
CPC classification number: G06F3/065 , G06F3/0604 , G06F3/067 , G06F3/0647 , G06F16/125 , G06F16/128
Abstract: Techniques are provided for storing immutable snapshot copes in write once read many (WORM) storage. A snapshot of a volume may be stored into one or more objects formatted according to an object format. An expiry time may be assigned to the snapshot and the one or more objects based upon a creation time of the snapshot and a retention time. The one or more objects may be stored within a remote object store. The one or more objects are retained in an immutable state and cannot be deleted until expiration of the expiry time. In response to identifying an existing object within the remote object store comprising shared snapshot data referenced by the snapshot, an assigned expiry time of the existing object may be modified based upon the expiry time of the snapshot to create a modified expiry time for the existing object.
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公开(公告)号：US11907116B2
公开(公告)日：2024-02-20
申请号：US17733078
申请日：2022-04-29
Applicant: NetApp Inc.
Inventor： Rakesh Bhargava M. R. , Murali Subramanian , Tijin George , Ching-Yuk Paul Ngan
IPC: G06F12/02
CPC classification number: G06F12/0253 , G06F2212/702 , G06F2212/7205
Abstract: Techniques are provided for volume group backup, volume group restore, and volume group garbage collection for volume groups backed up to an object store. A volume group workflow is implemented to orchestrate individual consistent volume workflows that are separately and individually implemented by nodes hosting constituent volumes of a volume group. The volume group workflow and the individual consistent volume workflows are performed to back up the volume group to the object store, restore a volume group backup from the object store to a restore destination, and/or perform garbage collection on slots of objects storing data unique to a volume group backup to delete.
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