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公开(公告)号：US11119860B2
公开(公告)日：2021-09-14
申请号：US16459917
申请日：2019-07-02
Applicant: NetApp Inc.
IPC: G06F11/00 , G06F11/14 , G06F11/07 , G06F16/21 , G06F16/22 , G06F16/27 , G06F16/335 , G06F16/901 , G06F3/06 , G06F11/34
Abstract: One or more techniques and/or systems are provided for profiling a dataset. For example, a snapshot of a volume may be evaluated to identify a set of data characteristics, such as file and directory size information. A baseline dataset profile of a dataset of data within the volume may be constructed based upon the set of data characteristics. Histograms and graphs of directory counts and file counts may be constructed based upon the baseline dataset profile. An incremental dataset profile may be constructed for the dataset based upon an evaluation of the snapshot and a subsequent snapshot of the volume. Histograms and graphs of directories and files that are modified, created, and/or deleted may be constructed based upon the incremental dataset profile. Performance predictions, analytics, field diagnostics of performance issues, and/or scheduling of service execution may be implemented for a storage network hosting the volume based upon dataset profiles.
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公开(公告)号：US11907261B2
公开(公告)日：2024-02-20
申请号：US17503945
申请日：2021-10-18
Applicant: NetApp Inc.
Inventor： Krishna Murthy Chandraiah Setty Narasingarayanapeta , Rakesh Bhargava M. R. , Harsha Handral Sridhara
CPC classification number: G06F16/275 , G06F3/065 , G06F3/067 , G06F3/0619 , G06F16/2322
Abstract: Techniques are provided for timestamp consistency. An operation targeting a first storage object having a synchronous replication relationship with a second storage object is intercepted. A timestamp is assigned to the operation. A replication operation is created as a replication of the operation. The same timestamp is assigned to the replication operation. The operation is implemented upon the first storage object and the replication operation is implemented upon the second storage object.
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公开(公告)号：US11449260B2
公开(公告)日：2022-09-20
申请号：US17106240
申请日：2020-11-30
Applicant: NetApp Inc.
Abstract: Techniques are provided for persistent hole reservation. For example, hole reservation flags of operations targeting a first storage object of a first node are replicated into replication operations targeting a second storage object of a second node during a transition operation to transition the first storage object and the second storage object from an asynchronous replication state to a synchronous replication state. In another example, the second storage object is grown to a size of a replication punch hole operation that failed due to targeting a file block number greater than an end of size of the second storage object.
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Patent Agency Ranking
公开(公告)号：US11086551B2
公开(公告)日：2021-08-10
申请号：US16357407
申请日：2019-03-19
Applicant: NetApp Inc.
Abstract: Techniques are provided for freeing and utilizing unused inodes. For example, an operation, targeting a first storage object of a first node having a replication relationship with a second storage object of a second node, is intercepted. A replication operation is created as a replication of the operation. The operation is implemented upon the first storage object and the replication operation is implemented upon the second storage object. A determination is made that the replication operation uses an inode no longer used by storage objects of the second node. The inode targeted by the replication operation is freed and utilized based upon the inode being a leaf inode. If the inode is a stream directory inode, then data streams of the stream directory inode are moved under a new private inode and the stream directory inode is released.
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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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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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公开(公告)号：US11816348B2
公开(公告)日：2023-11-14
申请号：US17947429
申请日：2022-09-19
Applicant: NetApp Inc.
CPC classification number: G06F3/065 , G06F3/0604 , G06F3/067
Abstract: Techniques are provided for persistent hole reservation. For example, hole reservation flags of operations targeting a first storage object of a first node are replicated into replication operations targeting a second storage object of a second node during a transition operation to transition the first storage object and the second storage object from an asynchronous replication state to a synchronous replication state. In another example, the second storage object is grown to a size of a replication punch hole operation that failed due to targeting a file block number greater than an end of size of the second storage object.
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公开(公告)号：US09645881B2
公开(公告)日：2017-05-09
申请号：US14836259
申请日：2015-08-26
Applicant: NetApp Inc.
CPC classification number: G06F11/1451 , G06F3/0619 , G06F3/065 , G06F3/0665 , G06F3/067 , G06F11/0706 , G06F11/0727 , G06F11/0754 , G06F11/079 , G06F11/0793 , G06F17/30289 , G06F17/30312 , G06F17/30575 , G06F17/30702 , G06F17/30958 , G06F2201/80 , G06F2201/84
Abstract: One or more techniques and/or systems are provided for profiling a dataset. For example, a snapshot of a volume may be evaluated to identify a set of data characteristics, such as file and directory size information. A baseline dataset profile of a dataset of data within the volume may be constructed based upon the set of data characteristics. Histograms and graphs of directory counts and file counts may be constructed based upon the baseline dataset profile. An incremental dataset profile may be constructed for the dataset based upon an evaluation of the snapshot and a subsequent snapshot of the volume. Histograms and graphs of directories and files that are modified, created, and/or deleted may be constructed based upon the incremental dataset profile. Performance predictions, analytics, field diagnostics of performance issues, and/or scheduling of service execution may be implemented for a storage network hosting the volume based upon dataset profiles.
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