Patents Assigned to Pure Storage
  • Patent number: 11704192
    Abstract: A storage system has zones in solid-state storage memory, with power loss protection. The system identifies portions of data for processes that utilize power loss protection. The system determines to activate or deactivate power loss protection for the portions of data for the processes. The system tracks activation and deactivation of power loss protection in zones in the solid-state storage memory, in accordance with the portions of data having power loss protection activated or deactivated.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: July 18, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Andrew R. Bernat, Matthew Paul Fay, Ronald Karr
  • Patent number: 11704035
    Abstract: An illustrative unified data storage method includes providing, by a data storage system, block containers that represent a linear address space of blocks; and using, by the data storage system, the block containers to store content for a plurality of different data storage services. In certain examples, the different data storage services include at least one of a file storage service, an object storage service, or a database service.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: July 18, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Dirk Meister, Matthew Paul Fay, Subramaniam Periyagaram, Ronald Karr, David A. Grunwald
  • Patent number: 11704073
    Abstract: A method for accessing a file in a storage system is provided. The method includes determining, for each file chunk of the file, an authority among differing storage nodes of the storage system and receiving from the authority having ownership of the file chunk, location information for the file chunk. The method includes accessing file chunks of the file as directed by each of the determined authorities.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: July 18, 2023
    Assignee: PURE STORAGE, INC
    Inventors: John Hayes, Robert Lee, Igor Ostrovsky, Peter Vajgel
  • Patent number: 11704195
    Abstract: A method for execution in a storage network, the method begins by determining a user device group content preference, wherein the user group content includes target content for a user device group and the determining includes predicting future target content for the user group. The method continues by selecting a plurality of network edge units for staging encoded data slices, identifying target content for partial download to the plurality of network edge units and dispersed error encoding the target content to generate a set of encoded data slices. The method then continues by identifying encoded data slices from the set of encoded data slices corresponding to the target content for partial download and determining a partial downloading schedule for sending the encoded data slices for partial download to each network edge unit of the plurality of network edge units.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: July 18, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: S. Christopher Gladwin, Gary W. Grube, Timothy W. Markison
  • Patent number: 11704202
    Abstract: Recovering from system faults for replicated datasets, including: receiving, by the cloud-based storage system, a request to modify a dataset that is stored by the cloud-based storage system, wherein the dataset is synchronously replicated among a plurality of storage systems that includes the cloud-based storage system, wherein a request to modify the dataset is acknowledged as being complete when each of the plurality of storage systems has modified its copy of the dataset; generating recovery information indicating whether the request to modify the dataset has been applied on all storage systems in the plurality of storage systems synchronously replicating the dataset; and after a system fault, applying a recovery action in dependence upon the recovery information indicating whether the request to modify the dataset has been applied on all storage systems in the plurality of storage systems synchronously replicating the dataset.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: July 18, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Joshua Freilich, Aswin Karumbunathan, Naveen Neelakantam, Ronald Karr
  • Patent number: 11698837
    Abstract: Servicing I/O operations in a cloud-based storage system, including: receiving, by the cloud-based storage system, a request to write data to the cloud-based storage system; storing, in solid-state storage of the cloud-based storage system, the data; storing, in object storage of the cloud-based storage system, the data; detecting that at least some portion of the solid-state storage of the cloud-based storage system has become unavailable; identifying data that was stored in the portion of the solid-state storage of the cloud-based storage system that has become unavailable; retrieving, from object storage of the cloud-based storage system, the data that was stored in the portion of the solid-state storage of the cloud-based storage system that has become unavailable; and storing, in solid-state storage of the cloud-based storage system, the retrieved data.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: July 11, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Constantine Sapuntzakis, Naveen Neelakantam, Ronald Karr
  • Patent number: 11698844
    Abstract: Managing storage systems that are synchronously replicating a dataset, including: detecting a change in membership to the set of storage systems synchronously replicating the dataset; and applying one or more membership protocols to determine a new set of storage systems to synchronously replicate the dataset, wherein the one or more membership protocols include a quorum protocol, an external management protocol, or a racing protocol, and wherein one or more I/O operations directed to the dataset are applied to a new set of storage systems.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: July 11, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Ronald Karr, David Grunwald, Naveen Neelakantam, Zoheb Shivani, Thomas Gill, Connor Brooks, Aswin Karumbunathan, Kunal Trivedi
  • Patent number: 11698759
    Abstract: A clustered storage system may include potentially many different nodes. A node may mount a virtual storage volume for the use of a container application at the node. The node may receive a request from a different node and respond by indicating whether the virtual storage volume is in active use. In this way, the clustered storage system may safely but forcibly unmount a virtual storage volume having a failed or hanging mount point so that the volume may be mounted on a different node.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: July 11, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Dinesh Israni, Vinod Jayaraman, Goutham Rao
  • Publication number: 20230214303
    Abstract: A method for execution by a distributed storage network begins by receiving a request to transfer a copy of a set of encoded data slices from at least some associated virtual storage vaults to a destination virtual storage vault and continues by determining whether the destination storage unit supports a source virtual storage vault of the at least some source virtual storage vaults. When the destination storage unit supports the source virtual storage vault the method continues by determining a sub-set of encoded data slices of the set of encoded data slices for transfer and finally, by facilitating sending the sub-set of encoded data slices to the destination storage unit.
    Type: Application
    Filed: March 10, 2023
    Publication date: July 6, 2023
    Applicant: Pure Storage, Inc.
    Inventors: Adam M. Gray, Greg R. Dhuse, Andrew D. Baptist, Ravi V. Khadiwala, Wesley B. Leggette, Scott M. Horan, Franco V. Borich, Bart R. Cilfone, Daniel J. Scholl
  • Patent number: 11693985
    Abstract: A method for execution by a storage network, the method begins by determining a failure rate of storage nodes of an active storage pool, establishing a number of standby storage nodes based on the determined failure rate, identifying resource identifiers for the failed storage node, selecting an available standby storage node, facilitating populating the selected available standby storage node with data slices associated with the failed storage node, utilizing the selected available standby storage node, facilitating population of a replacement storage node with the data slices from the selected available standby storage node and facilitating processing of further receive data access requests for data associated with the associated resource identifiers by utilizing the replacement storage node.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: July 4, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Teague S. Algie, Jason K. Resch
  • Patent number: 11693604
    Abstract: Administering storage access in a cloud-based storage system includes: acquiring, by a first storage controller, in response to a protocol request for exclusive access to an area of storage, a first lease for the area of storage of the cloud-based storage system; and storing, by the first storage controller, a first identifier for the first lease in a predefined portion of the area of storage, where the predefined portion of the area of storage is accessible to a second storage controller.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: July 4, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Irfan Hamid, Timothy Brennan
  • Patent number: 11693713
    Abstract: Self-tuning clusters for resilient microservices, including: receiving, by a services orchestrator within a cloud-computing environment and from a plurality of cloud computing instances, respective latency measurements corresponding to respective control plane operations directed to a shared resource of the plurality of cloud computing instances; determining, based on a current timeout value and on the respective latency measurements from the plurality of cloud computing instances, an updated timeout value for the shared resource; and providing, to each of the plurality of cloud computing instances, the updated timeout value for the shared resource.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: July 4, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Taher Vohra, Patrick Lee, Ethan Miller
  • Publication number: 20230205630
    Abstract: A processing system of a storage network operates by: sending, to at least one storage unit of the storage network, at least one read request corresponding to at least a read threshold number of a set of encoded data slices to be retrieved, wherein the set of encoded data slices correspond to data, wherein the data is coded in accordance with dispersed error coding parameters that include a write threshold number and the read threshold number, wherein the write threshold number is a number of encoded data slices in the set of encoded data slices and wherein the read threshold number is a number of the set of encoded data slices that is required to decode the data; receiving, via the at least one processing circuit and from the at least one storage unit, a first subset of the set of encoded data slices, wherein the first subset is missing at least one missing encoded data slice that was not received from the at least one storage unit in response to the at least one read request and wherein a number of encoded
    Type: Application
    Filed: February 27, 2023
    Publication date: June 29, 2023
    Applicant: Pure Storage, Inc.
    Inventors: Ilya Volvovski, Bruno H. Cabral, Manish Motwani, Thomas D. Cocagne, Timothy W. Markison, Gary W. Grube, Wesley B. Leggette, Jason K. Resch, Michael C. Storm, Greg R. Dhuse, Yogesh R. Vedpathak, Ravi V. Khadiwala
  • Publication number: 20230208916
    Abstract: A method for execution by one or more computing devices of a storage network includes identifying a storage unit of a set of storage units for testing, where a data segment of data is error encoded into a set of encoded data slices that is stored in the set of storage units. The method further includes determining whether a threshold number of favorably performing other storage units of the set of storage units will be available during the testing. When the threshold number of favorably performing other storage units will be available, the method further includes initiating the testing of the storage unit and setting a status of the storage unit to unavailable. When the testing has been completed, the method further includes updating the status of the storage unit to available. The method further includes generating a testing report regarding the testing of the storage unit.
    Type: Application
    Filed: February 21, 2023
    Publication date: June 29, 2023
    Applicant: Pure Storage, Inc.
    Inventors: Thomas D. Cocagne, Jason K. Resch
  • Publication number: 20230205635
    Abstract: A distributed storage integrity system in a dispersed storage network includes a scanning agent and a control unit. The scanning agent identifies an encoded data slice that requires rebuilding, wherein the encoded data slice is one of a plurality of encoded data slices generated from a data segment using an error encoding dispersal function. The control unit retrieves at least a number T of encoded data slices needed to reconstruct the data segment based on the error encoding dispersal function. The control unit is operable to reconstruct the data segment from at least the number T of the encoded data slices and generate a rebuilt encoded data slice from the reconstructed data segment. The scanning agent is located in a storage unit and the control unit is located in the storage unit or in a storage integrity processing unit, a dispersed storage processing unit or a dispersed storage managing unit.
    Type: Application
    Filed: March 2, 2023
    Publication date: June 29, 2023
    Applicant: Pure Storage, Inc.
    Inventors: Greg Dhuse, Andrew Baptist, Zachary J. Mark, Jason K. Resch, Ilya Volvovski
  • Patent number: 11687500
    Abstract: Synchronizing metadata among storage systems synchronously replicating a dataset, where synchronizing the metadata includes: receiving, at a first storage system of the storage systems, an I/O operation directed to the dataset; determining, in dependence upon the I/O operation, a metadata update describing a mapping of segments of content to a virtual address within a storage object, wherein the storage object includes the dataset; and synchronizing metadata on a second storage system of the storage systems by sending the metadata update to the second storage system to update a metadata representation on the second storage system in accordance with the metadata update.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: June 27, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: David Grunwald, Steven Hodgson, Tabriz Holtz, Ronald Karr
  • Patent number: 11689610
    Abstract: A method of resetting a stateful connection in a storage cluster with stateless load-balancing is provided. The method includes receiving a packet associated with a stateful connection between a client and a first storage node of the storage cluster. The method includes sending a reset packet from a second storage node to the client, through a stateless load balancer, responsive to the second storage node failing to recognize the packet associated with the stateful connection between the client and the first storage node, wherein the client resets the stateful connection responsive to receiving the reset packet. The method includes sending further reset packets from the load balancer to a plurality of storage nodes of the storage cluster, responsive to receiving, at the load balancer, the reset packet from the second storage node, wherein the plurality of storage nodes reset stateful connection information responsive to receiving the further reset packets.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: June 27, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Jayesh Patel, Prabhath Sajeepa, Daniel Talayco
  • Patent number: 11687418
    Abstract: An illustrative method includes a data protection system detecting a data corruption event that impacts data stored within a storage element of a storage system, identifying one or more attributes associated with the storage element, and determining, based on the one or more attributes associated with the storage element, a recovery plan for the storage element, the recovery plan specifying one or more operations configured to recover the data stored within the storage element from the data corruption event.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: June 27, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Scott Baker, Benjamin E Casey, Ronald Karr
  • Patent number: 11687250
    Abstract: A set of blocks of a storage device are allocated for storage of data, wherein the set of blocks of the storage device is selected based on a power requirement that is based on a number of partially programmed blocks stored in the cache. Subsequent data to be stored at the storage device is assigned to the set of blocks for storage at the storage device.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: June 27, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Andrew R. Bernat, Wei Tang
  • Patent number: 11687423
    Abstract: Prioritizing highly performant storage systems for servicing a synchronously replicated dataset: detecting a communication fault between two or more storage systems that are synchronously replicating a dataset; identifying a preferred storage system for winning mediation, including determining that the preferred storage system winning mediation would result in better performance than other storage systems winning mediation; and requesting, by the preferred storage system, mediation from a mediation target.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: June 27, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Ronald Karr, John Colgrove, Ganesh Ramanarayanan, David Grunwald