Patents Assigned to Pure Storage
  • Failure abatement approach for a failed storage unit
    Patent number: 11650878
    Abstract: A method for execution by a vault management device of a storage network includes determining a failure impact level to vaults of the storage network based on a failed storage unit within the vaults, where the vaults include a first vault that is associated with a first set of storage units and a first decode threshold number, and a second vault that is associated with a second set of storage units and a second decode threshold number, and where the failure impact level is based on the number of non-failed storage units within each of the vaults. The method continues with determining a failure abatement approach based on the failure impact level. The method continues by with facilitating the failure abatement approach.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: May 16, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Asimuddin Kazi, Jason K. Resch
  • Generating estimated efficiency models for selecting a processing unit in a storage network
    Patent number: 11650879
    Abstract: A method for execution by a computing device of a storage network begins or continues by generating a plurality of estimated efficiency models associated with a plurality of processing units of the storage network, where an estimated efficiency model of the plurality of estimated efficiency models includes estimated efficiency probabilities, and where the estimated efficiency probabilities correspond to data access request types for a processing unit of the plurality of processing units. The method further includes storing the plurality of estimated efficiency models in memory of the storage network.
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: May 16, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Ravi V. Khadiwala, Jason K. Resch
  • Batch rebuilding a set of encoded data slices
    Patent number: 11650883
    Abstract: A method includes, determining, for a batch rebuild process regarding a first batch threshold number of encoded data slices of a set of encoded data slices that need rebuilding, a target storage unit of target storage units of a set of storage units of the storage network is unavailable, where a data segment of data is dispersed storage error encoded into the set of encoded data slices, the set of encoded data slices is stored in the set of storage units, and the first batch threshold number of encoded data slices is to be stored in the target storage units. When the target storage unit becomes available before a second batch rebuild threshold number of encoded data slices of the set of encoded data slices is met, the method includes executing the batch rebuild process for the first batch threshold number of encoded data slices.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: May 16, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Niall J. McShane, Andrew D. Baptist, Ravi V. Khadiwala
  • Modifying encoded data in a distributed storage network
    Patent number: 11645133
    Abstract: A computing device includes processing circuitry configured to determine whether to modify the dispersed error encoding parameters of a set of encoded data slices (EDSs) stored in a distributed storage network to produce a set of modified EDSs, wherein a data object is segmented into a plurality of data segments and in response to a determination to modify the dispersed error encoding parameters of the set of EDSs, identify a plurality of storage units to store the modified EDSs and determine modified dispersed error encoding parameters for the modified EDSs. The computing device is further configured to assign each storage unit of the plurality of storage units to execute one or more storage modification tasks associated with producing the modified EDSs; and transmit one or more EDS of the set of EDSs to each storage unit of the plurality of storage units for modification and storage.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: May 9, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Wesley B. Leggette, Andrew D. Baptist, Greg R. Dhuse, Jason K. Resch, Gary W. Grube, S. Christopher Gladwin
  • Recovery point determination for data restoration in a storage system
    Patent number: 11645162
    Abstract: An illustrative method includes a data protection system detecting, for a storage system, a potential data corruption in the storage system, analyzing, in response to the detecting of the potential data corruption, one or more metrics of the storage system, and determining, based on the analyzing of the one or more metrics of the storage system, a corruption-free recovery point for potential use to recover from the potential data corruption.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: May 9, 2023
    Assignee: Pure Storage, Inc.
    Inventors: David Huskisson, Ronald Karr, Andrew Kutner, Andrew Miller, Patrick D. Lee, Cynthia Dote
  • Resilient mediation between storage systems replicating a dataset
    Patent number: 11645173
    Abstract: Resilient mediation between storage systems replicating a dataset, including: receiving, by a mediation service from one or more storage systems that synchronously replicate a dataset, a request to resolve which storage system continues to service a dataset after the request; and sending, from the mediation service to at least one of the storage systems, a positive mediation result, wherein: the storage systems that received the positive mediation result continue to process data storage requests directed to the dataset, and the storage systems that did not receive a positive mediation result from the mediation service do not continue to process data storage requests directed to the dataset.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: May 9, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: David Grunwald, Ronald Karr, Thomas Gill, John Colgrove, Kunal Trivedi
  • Cost conscious garbage collection
    Patent number: 11640239
    Abstract: Cost conscious garbage collection, including: selecting one or more storage classes from among a plurality of storage classes of one or more data storage services for storing one or more data objects; determining, for the one or more data objects stored in the one or more data storage services, an estimated quantity of data eligible for garbage collection; and initiating, after determining that resources for continued storage of the one or more data objects exceed resources for performing garbage collection on the data eligible for garbage collection and based upon an expected cost savings based on storage cost savings from performing garbage collection compared against access cost expenses for performing one or more cloud-based operations to perform the garbage collection, garbage collection on the one or more data objects in the one or more data storage services.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: May 2, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Dirk Meister, Subramaniam Periyagaram, Reese Robertson, Prudhvi Lokireddy
  • Variable write threshold storage replication sites in a distributed storage network
    Patent number: 11640248
    Abstract: A computing device including a processing module configured to receive a read request for a read threshold number of encoded data slices of the set of encoded data slices, determine whether a read threshold number of encoded data slices of the set of encoded data slices is available in a set of storage units associated with a first storage site and when a read threshold number of encoded data slices of the set of encoded data slices is not available in the set of storage units associated with a first storage site, transmit a read request for a read threshold number of encoded data slices to the set of storage units associated with a second storage site.
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: May 2, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Greg R. Dhuse, Jason K. Resch, Ethan S. Wozniak
  • Intelligent block deallocation verification
    Patent number: 11640244
    Abstract: A first data block on a storage device including a data structure of deallocated data blocks on the storage device and a corresponding program erase count value for each of the deallocated data blocks is identified. A determination as to whether a second data block from the data structure of deallocated data blocks remains deallocated after being added to the data structure of deallocated data blocks based on the program erase count value is made. The data is stored at the second data block upon determining that the second data block remains deallocated after being added to the data structure of deallocated data blocks.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: May 2, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Eric D. Seppanen, Neil Buda Vachharajani, Nidhi Pankaj Doshi
  • Migrating applications to a cloud-computing environment
    Patent number: 11637896
    Abstract: A system and methods for migrating applications to a cloud-computing environment. In some examples, the method includes determining an application configuration for an application executed in a storage system generating, for one or more volumes associated with the application, one or more volume tags indicating the application configuration; replicating the one or more volumes to a cloud-computing environment, and generating, in the cloud-computing environment, based on the one or more volume tags, the application configuration for the application.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: April 25, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Virendra Prakashaiah, Taher Vohra
  • Optimized inline deduplication
    Patent number: 11636031
    Abstract: Methods, computer systems, and computer readable medium are described. In a particular embodiment, a storage controller is configured to receive, from a host computing device, a request to perform a bulk array task and in response to receiving the request, store an indication relating old keys of a mapping table to new keys, wherein both the old keys and the new keys correspond to the request. The storage controller is also configured to convey a response indicating completing of the request without prior access of user data and update the mapping table to replace the old keys with the new keys.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: April 25, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: John Colgrove, John Hayes, Ethan Miller, Feng Wang
  • Remote access to a storage device
    Patent number: 11632360
    Abstract: An exemplary access control system controls access to a computing system such as a data storage system. For example, the exemplary access control system includes a cloud storage platform that authorizes a user to access the cloud storage platform. After access to the cloud storage platform is authorized, the cloud storage platform receives, from the user, a request to access, through the cloud storage platform, an application executing on a remote storage device. The cloud storage platform obtains an access token in response to receiving the request from the user. The cloud storage platform transmits the access token to the storage device for use by the storage device to validate the user and grant the user access, through the cloud storage platform, to the application executing on the storage device.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: April 18, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Yu Tan, Shiva Ankam
  • Scheduling data replication operations
    Patent number: 11630598
    Abstract: Scheduling data replication operations, including: identifying, for each of a plurality of target storage systems, an amount of data to be transferred from one or more source storage systems in order to fully replicate a dataset to the target storage system; scheduling, based on the amount of data to be transferred from one or more source storage systems in order to fully replicate the dataset to each of the target storage systems, replication operations between the storage systems; and replicating the dataset from the one or more source storage systems to each of the target storage systems in accordance with the scheduling of replication operations between the storage systems.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: April 18, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Andrew Sillifant, Grigori Inozemtsev
  • Processing evacuation events in a storage array that includes a plurality of storage devices
    Patent number: 11630585
    Abstract: Migrating data in a storage array that includes a plurality of storage devices, including: detecting, by the storage array, an occurrence of a storage device evacuation event associated with one or more source storage devices; responsive to detecting the occurrence of the storage device evacuation event, identifying, by the storage array, one or more target storage devices for receiving data stored on the one or more source storage devices; reducing, by the storage array, write access to the one or more source storage devices; and migrating the data stored on the one or more source storage devices to the one or more target storage devices.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: April 18, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: John Colgrove, Lydia Do, Ethan Miller
  • Inline flash memory qualification in a storage system
    Patent number: 11630593
    Abstract: Reading data stored at a free block of a storage device is read prior to allocating the free block for storage of data. A determination as to whether a number of bit flips of the data stored at the free block is below a threshold is made. The free block is added to a pool of active free blocks to be allocated for the storage of data upon determining that the number of bit flips of the data stored at the free block is below the threshold.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: April 18, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Shuyi Shao, Yuhong Mao, Peter E. Kirkpatrick
  • Aggregating Audit Records in a Storage Network
    Publication number: 20230112771
    Abstract: A method includes obtaining audit records. Each of the audit records indicates a timestamp for a corresponding message, at least one event type code selected from a plurality of event type codes for a corresponding audit event of the corresponding message, and an identifier for a corresponding system entity associated with creation of the corresponding message. A number of audit records are aggregated over a period of time. An audit file is generated to include the number of audit records and integrity information. Storage of the audit file is facilitated by utilizing a name of the audit file.
    Type: Application
    Filed: November 28, 2022
    Publication date: April 13, 2023
    Applicant: Pure Storage, Inc.
    Inventors: Jason K. Resch, Wesley B. Leggette
  • Uniform model for distinct types of data replication
    Patent number: 11625416
    Abstract: A uniform model for distinct types of data replication, including receiving, at a source data repository, an update to a dataset; generating, based on the update to the dataset, both metadata describing the update to the dataset and also a metadata representation of the dataset; and initiating, based on the same metadata describing the update to the dataset and also based on the same metadata representation of the dataset, either a first type of data replication or a second type of data replication from among a plurality of types of data replication.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: April 11, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: David Grunwald, Thomas Gill, Ronald Karr, Matthew Fay, Luke Paulsen, John Colgrove
  • Transitioning between replication sources for data replication operations
    Patent number: 11625185
    Abstract: Transitioning between replication sources for data replication operations, including: delaying a transition from using a first data repository as a source for data replication to using a second data repository as the source for data replication after detecting that one or more storage operations directed to the first data repository have not been replicated to the second data repository; and promoting the second data repository as the source for data replication such that storage operations received after completing the transition are directed to the second data repository.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: April 11, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: David Grunwald, Thomas Gill, Connor Brooks, Larry Touchette, Saurabh Shukla
  • Data tiering using snapshots
    Patent number: 11625181
    Abstract: Data tiering based on snapshots, including: receiving information describing, for data stored in a storage system, any snapshots associated with the data and any volumes storing the data; determining, from a plurality of storage tiers, a storage tier for the data based on the information; and storing the data in a storage device of the storage system associated with the storage tier.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: April 11, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Andrew Bernat, Zoltan Dewitt, John Colgrove
  • Hyper-convergence with scheduler extensions for software-defined container storage solutions
    Patent number: 11625274
    Abstract: A clustered storage system may include potentially many different nodes, each including a storage driver and a scheduler agent. A node may mount a virtual storage volume for the use of a container application at the node. When a master node receives a request to instantiate a new containerized application, a scheduler at the master node may determine prioritization information for the new containerized application. The prioritization information may prioritize one or more nodes at which a virtualized storage volume employed by the application container instance is mounted.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: April 11, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Dinesh Israni, Vinod Jayaraman, Goutham Rao