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公开(公告)号：US20230033584A1
公开(公告)日：2023-02-02
申请号：US17387807
申请日：2021-07-28
Applicant: NETAPP, INC.
Inventor： Sumith Makam , Rahul Thapliyal , Kartik R , Roopesh Chuggani , Abhisar Lnu , Maria Josephine Priyanka S
IPC: G06F12/0891
Abstract: Methods and systems for a networked storage system are provided. One method includes: generating, by a first node, a dummy entry in a storage location cache of the first node, the dummy entry associated with a read request received by the first node for data stored using a logical object owned by a second node; receiving, by the first node, an invalidation request to invalidate any storage location entry associated with the data, the invalidation request sent in response to the second node receiving a write request to modify the data; invalidating, by the first node, the dummy entry; receiving, by the first node, a response to the read request from the second node with the requested data; and replacing, by the first node, the dummy entry with a storage location entry and invalidating the storage location entry based on the invalidated dummy entry.
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公开(公告)号：US11768775B2
公开(公告)日：2023-09-26
申请号：US17387807
申请日：2021-07-28
Applicant: NETAPP, INC.
Inventor： Sumith Makam , Rahul Thapliyal , Kartik R , Roopesh Chuggani , Abhisar Lnu , Maria Josephine Priyanka S
IPC: G06F12/0891
CPC classification number: G06F12/0891 , G06F2212/1024
Abstract: Methods and systems for a networked storage system are provided. One method includes: generating, by a first node, a dummy entry in a storage location cache of the first node, the dummy entry associated with a read request received by the first node for data stored using a logical object owned by a second node; receiving, by the first node, an invalidation request to invalidate any storage location entry associated with the data, the invalidation request sent in response to the second node receiving a write request to modify the data; invalidating, by the first node, the dummy entry; receiving, by the first node, a response to the read request from the second node with the requested data; and replacing, by the first node, the dummy entry with a storage location entry and invalidating the storage location entry based on the invalidated dummy entry.
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公开(公告)号：US11368167B2
公开(公告)日：2022-06-21
申请号：US17027995
申请日：2020-09-22
Applicant: NetApp Inc.
Inventor： Roopesh Chuggani , Rahul Thapliyal
Abstract: Techniques are provided for implementing additional compression for existing compressed data. Format information stored within a data block is evaluated to determine whether the data block is compressed or uncompressed. In response to the data block being compressed according to a first compression format, the data block is decompressed using the format information. The data block is compressed with one or more other data blocks to create compressed data having a second compression format different than the first compression format.
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公开(公告)号：US20210405882A1
公开(公告)日：2021-12-30
申请号：US17028020
申请日：2020-09-22
Applicant: NetApp Inc.
Inventor： Girish Hebbale Venkatasubbaiah , Rahul Thapliyal , Dnyaneshwar Nagorao Pawar , Kartik Rathnakar , Venkateswarlu Tella , Ananthan Subramanian
IPC: G06F3/06 , G06F16/215 , G06F16/25 , G06F16/28 , H03M7/30
Abstract: Techniques are provided for a layout format for compressed data. A first set of data blocks are grouped into a first group based upon a first frequency of access to the first set of data blocks. A second set of data blocks are grouped into a second group based upon a second frequency of access to the second set of data blocks. The first set of data blocks are compressed into a first compression group using a first compression algorithm. The second set of data blocks are compressed into a second compression group using a second compression algorithm.
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公开(公告)号：US12088327B2
公开(公告)日：2024-09-10
申请号：US18448218
申请日：2023-08-11
Applicant: NetApp Inc.
Inventor： Roopesh Chuggani , Rahul Thapliyal
CPC classification number: H03M7/6011 , G06F3/0608 , G06F3/064 , G06F3/067 , G06F3/0689 , H03M7/6005
Abstract: Techniques are provided for implementing additional compression for existing compressed data. Format information stored within a data block is evaluated to determine whether the data block is compressed or uncompressed. In response to the data block being compressed according to a first compression format, the data block is decompressed using the format information. The data block is compressed with one or more other data blocks to create compressed data having a second compression format different than the first compression format.
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Patent Agency Ranking
公开(公告)号：US20240128984A1
公开(公告)日：2024-04-18
申请号：US18448218
申请日：2023-08-11
Applicant: NetApp Inc.
Inventor： Roopesh Chuggani , Rahul Thapliyal
CPC classification number: H03M7/6011 , G06F3/0608 , G06F3/064 , G06F3/067 , G06F3/0689 , H03M7/6005
Abstract: Techniques are provided for implementing additional compression for existing compressed data. Format information stored within a data block is evaluated to determine whether the data block is compressed or uncompressed. In response to the data block being compressed according to a first compression format, the data block is decompressed using the format information. The data block is compressed with one or more other data blocks to create compressed data having a second compression format different than the first compression format.
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公开(公告)号：US11861169B2
公开(公告)日：2024-01-02
申请号：US17028020
申请日：2020-09-22
Applicant: NetApp Inc.
Inventor： Girish Hebbale Venkatasubbaiah , Rahul Thapliyal , Dnyaneshwar Nagorao Pawar , Kartik Rathnakar , Venkateswarlu Tella , Ananthan Subramanian
IPC: G06F3/06 , G06F16/215 , G06F16/25 , H03M7/30 , G06F16/28
CPC classification number: G06F3/0608 , G06F3/067 , G06F3/0641 , G06F16/215 , G06F16/258 , G06F16/285 , H03M7/3091
Abstract: Techniques are provided for a layout format for compressed data. A first set of data blocks are grouped into a first group based upon a first frequency of access to the first set of data blocks. A second set of data blocks are grouped into a second group based upon a second frequency of access to the second set of data blocks. The first set of data blocks are compressed into a first compression group using a first compression algorithm. The second set of data blocks are compressed into a second compression group using a second compression algorithm.
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公开(公告)号：US11728827B2
公开(公告)日：2023-08-15
申请号：US17844339
申请日：2022-06-20
Applicant: NetApp Inc.
Inventor： Roopesh Chuggani , Rahul Thapliyal
CPC classification number: H03M7/6011 , G06F3/064 , G06F3/067 , G06F3/0608 , G06F3/0689 , H03M7/6005
Abstract: Techniques are provided for implementing additional compression for existing compressed data. Format information stored within a data block is evaluated to determine whether the data block is compressed or uncompressed. In response to the data block being compressed according to a first compression format, the data block is decompressed using the format information. The data block is compressed with one or more other data blocks to create compressed data having a second compression format different than the first compression format.
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公开(公告)号：US20250047302A1
公开(公告)日：2025-02-06
申请号：US18798037
申请日：2024-08-08
Applicant: NetApp, Inc.
Inventor： Roopesh Chuggani , Rahul Thapliyal
Abstract: Techniques are provided for implementing additional compression for existing compressed data. Format information stored within a data block is evaluated to determine whether the data block is compressed or uncompressed. In response to the data block being compressed according to a first compression format, the data block is decompressed using the format information. The data block is compressed with one or more other data blocks to create compressed data having a second compression format different than the first compression format.
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公开(公告)号：US11544011B1
公开(公告)日：2023-01-03
申请号：US17387792
申请日：2021-07-28
Applicant: NETAPP, INC.
Inventor： Sumith Makam , Rahul Thapliyal , Kartik R , Roopesh Chuggani , Abhisar Lnu , Maria Josephine Priyanka S
IPC: G06F3/06
Abstract: Methods and systems for a networked storage system are provided. One method includes: receiving, by a first storage node, a request to modify data stored using a logical storage object presented by the first storage node, the first storage node communicating with a second storage node configured as a failover partner of the first storage node; transmitting, by the first storage node, an invalidation request to the second storage node to invalidate an entry in a storage location cache of the second storage node, the entry indicating a storage location where data is stored by the first storage node, before modification; and responding, by the first storage node, to the request after modifying the data and upon receiving a response from the second storage node indicating successful invalidation of the entry.
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