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    PROMOTING A PREVIOUS VERSION TO ROLL BACK A DATA OBJECT
    1.
    发明申请
    PROMOTING A PREVIOUS VERSION TO ROLL BACK A DATA OBJECT 有权

    公开(公告)号：US20240427665A1

    公开(公告)日：2024-12-26

    申请号：US18823168

    申请日：2024-09-03

    Applicant: Pure Storage, Inc.

    Inventor： Andrew Baptist ,  Wesley Leggette ,  Jason K. Resch ,  Manish Motwani ,  John Quigley

    IPC: G06F11/10 ,  G06F3/06 ,  H04L67/1097 ,  H04L69/00 ,  H04L69/22

    Abstract: A method for execution by one or more computing devices of a storage network includes determining an error condition associated with storage of a current version of a data object that is stored in a set of storage units of the storage network and is stored as a previous version of the data object. The method further includes sending a rollback transaction request message to at least some storage units of the set of storage units, where the at least some storage units are associated with the error condition, and where the rollback transaction request message instructs the at least some storage units to promote the previous version to be a new current version of the data object such that the new current version of the data object is accessible in the storage network.

    Data Reconstruction in a Storage Network and Methods for Use Therewith
    2.
    发明申请
    Data Reconstruction in a Storage Network and Methods for Use Therewith 有权

    公开(公告)号：US20240394146A1

    公开(公告)日：2024-11-28

    申请号：US18791544

    申请日：2024-08-01

    Applicant: Pure Storage, Inc.

    Inventor： Greg R. Dhuse ,  Vance T. Thornton ,  Jason K. Resch ,  Ilya Volvovski ,  Dustin M. Hendrickson ,  John Quigley

    IPC: G06F11/10 ,  G06F11/07 ,  G06F11/14 ,  G06F11/16 ,  G06F16/13 ,  G06F21/31 ,  G06F21/62 ,  H04L9/32 ,  H04L9/40 ,  H04L67/06 ,  H04L67/1097 ,  H04W12/041 ,  H04W12/0431 ,  H04W12/10 ,  H04W12/30

    Abstract: A processor in a storage network operates by: receiving an access request for a data segment, wherein the data segment is encoded utilizing an error correcting information dispersal algorithm as a set of encoded data slices that are stored in a plurality of storage units of the storage network and wherein each encoded data slice of the set of encoded data slices includes a corresponding checksum of a plurality of checksums; retrieving, from the storage network, a subset of encoded data slices that includes a threshold number of encoded data slices of the set of encoded data slices; determining, based on ones of the plurality of checksums corresponding to the subset of encoded data slices, when the subset of encoded data slices includes at least one corrupted encoded data slice; retrieving from at least one of the plurality of storage units an addition number of encoded data slices required to generate a reconstructed data segment based on the subset of encoded data slices; generating the reconstructed data segment in accordance with the error correcting information dispersal algorithm, using the additional number of encoded data slices and at least some of the subset of encoded data slices; providing the reconstructed data segment in response to the access request; forming a reconstructed set of encoded data slices utilizing the error correcting information dispersal algorithm on the reconstructed data segment; and replacing the at least one corrupted encoded data slice with at least one reconstructed encoded data slice of the reconstructed set of encoded data slices.

    Reconstructing Data Segments in a Storage Network and Methods for Use Therewith
    4.
    发明申请
    Reconstructing Data Segments in a Storage Network and Methods for Use Therewith 有权

    公开(公告)号：US20220114053A1

    公开(公告)日：2022-04-14

    申请号：US17645563

    申请日：2021-12-22

    Applicant: Pure Storage, Inc.

    Inventor： Greg R. Dhuse ,  Vance T. Thornton ,  Jason K. Resch ,  Ilya Volvovski ,  Dustin M. Hendrickson ,  John Quigley

    IPC: G06F11/10 ,  G06F16/13 ,  H04L9/32 ,  G06F11/16 ,  H04L67/06 ,  H04W12/30 ,  H04W12/041 ,  H04W12/0431 ,  G06F11/07 ,  G06F11/14

    Abstract: A processor in a storage network operates by: receiving an access request for a data segment, wherein the data segment is encoded utilizing an error correcting information dispersal algorithm as a set of encoded data slices that are stored in a plurality of storage units of the storage network and wherein each encoded data slice of the set of encoded data slices includes a corresponding checksum of a plurality of checksums; retrieving, from the storage network, a subset of encoded data slices that includes a threshold number of encoded data slices of the set of encoded data slices; determining, based on ones of the plurality of checksums corresponding to the subset of encoded data slices, when the subset of encoded data slices includes at least one corrupted encoded data slice; retrieving from at least one of the plurality of storage units an addition number of encoded data slices required to generate a reconstructed data segment based on the subset of encoded data slices; generating the reconstructed data segment in accordance with the error correcting information dispersal algorithm, using the additional number of encoded data slices and at least some of the subset of encoded data slices; providing the reconstructed data segment in response to the access request; forming a reconstructed set of encoded data slices utilizing the error correcting information dispersal algorithm on the reconstructed data segment; and replacing the at least one corrupted encoded data slice with at least one reconstructed encoded data slice of the reconstructed set of encoded data slices.

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