Patents by Inventor Ronald Karr

Ronald Karr has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Storage System Parity Based On System Characteristics
    Publication number: 20230114317
    Abstract: Providing for increased flexibility for large scale parity, the including: writing data to a storage system, including utilizing a first data protection scheme; identifying, for storage media in the storage system, characteristics of the storage media; identifying, in dependence up the characteristics for the storage media, a second data protection scheme to use for the data; and writing the data to the to the storage system utilizing the second data protection scheme.
    Type: Application
    Filed: November 1, 2022
    Publication date: April 13, 2023
    Inventors: ETHAN MILLER, ROBERT LEE, PAR BOTES, RONALD KARR
  • Recovering Data In A Virtual Storage System
    Publication number: 20230115293
    Abstract: Data recovery in a virtual storage system, including: detecting, within storage provided by a first tier of storage of the virtual storage system, data loss within a dataset, wherein recovery data for the dataset is stored in a second tier of storage; determining a recovery point for the dataset up to which a consistent version of the dataset is recoverable from the recovery data stored in the second tier of storage; and restoring, within the storage provided by the first tier of storage of the virtual storage system, the consistent version of the dataset.
    Type: Application
    Filed: December 8, 2022
    Publication date: April 13, 2023
    Inventors: RONALD KARR, NAVEEN NEELAKANTAM, JOSHUA FREILICH, ASWIN KARUMBUNATHAN
  • Selective throttling of operations potentially related to a security threat to a storage system
    Patent number: 11625481
    Abstract: An illustrative method includes a data protection system detecting a request to perform an operation with respect to a storage system, identifying one or more attributes of the request, determining, based on the one or more attributes, that the request is possibly related to a security threat against the storage system, and throttling, based on the determining that the request is possibly related to the security threat against the storage system, a performance of the operation.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: April 11, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Ethan L. Miller, Ronald Karr
  • 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
  • Replicating A Storage System
    Publication number: 20230107685
    Abstract: Creating a replica of a storage system, including: receiving, by a first storage system from a computing device, data to be stored on the first storage system; reducing, by the first storage system, the data using one or more data reduction techniques; sending, from the first storage system to the second storage system, the reduced data, wherein the reduced data is encrypted; and sending, from the second storage system to a third storage system, the reduced data, wherein the reduced data is encrypted.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 6, 2023
    Inventors: RONALD KARR, CONSTANTINE SAPUNTZAKIS, JOHN COLGROVE
  • Providing application aware storage
    Patent number: 11620075
    Abstract: Providing application aware storage, including: identifying one or more sub-regions of data stored on a storage device that is associated with an application, including determining, in dependence upon data contained in the one or more sub-regions, whether the one or more sub-regions are associated with a known application type; and compiling quantifiable characteristics for the application, including information describing the application's utilization of the storage system.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: April 4, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Steven Hodgson, Ronald Karr
  • Calculating storage consumption for distinct client entities
    Patent number: 11614881
    Abstract: Determining storage consumption in group of storage resources, including for the group of data units within a group of storage resources: for each data unit in the group of data units, determining whether the data unit is associated with one or more client entities; and for each data unit associated with one or more client entities, determining a category for the data unit; calculating storage consumption for a client based on the category of each data unit; and reporting the calculated storage consumption.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: March 28, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Matthew Fay, Naveen Neelakantam, Ronald Karr, Taher Vohra
  • Multi-layer security threat detection for a storage system
    Patent number: 11615185
    Abstract: An illustrative method includes a data protection system performing, for a storage system, a first security threat detection process, determining, based on the performing of the first security threat detection process, that the storage system is possibly being targeted by a security threat, and performing a second security threat detection process, the second security threat detection process providing higher confidence threat detection than the first security threat detection process.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: March 28, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Patrick D. Lee, Ronald Karr, Andrew Kutner, Andrew Miller, David Huskisson
  • Directing I/O To An Active Membership Of Storage Systems
    Publication number: 20230088620
    Abstract: Determining active membership among a set of storage systems, including: determining, by a cloud-based storage system among the set of storage systems, that a membership event corresponds to a change in membership to the set of storage systems synchronously replicating the dataset; applying, in dependence upon the membership event, one or more membership protocols to determine a new set of storage systems to synchronously replicate the dataset; and for one or more I/O operations directed to the dataset, applying the one or more I/O operations to the dataset synchronously replicated by the new set of storage systems.
    Type: Application
    Filed: November 28, 2022
    Publication date: March 23, 2023
    Inventors: ASWIN KARUMBUNATHAN, JOSHUA FREILICH, NAVEEN NEELAKANTAM, RONALD KARR
  • INTERVALS FOR DATA REPLICATION
    Publication number: 20230087089
    Abstract: A storage system performs data replication with a recovery point objective (RPO). The storage system replicates data at intervals through data transfers over a network. The storage system determines bandwidth of the network. The storage system determines the intervals for replicating the data, based on size of data transfers, network bandwidth, and the recovery point objective.
    Type: Application
    Filed: November 11, 2022
    Publication date: March 23, 2023
    Inventors: Abhishek Jain, Ronald Karr
  • Identifying valid data after a storage system recovery
    Patent number: 11609718
    Abstract: Staging data on a storage element integrating fast durable storage and bulk durable storage, including: receiving, at a storage element integrating fast durable storage and bulk durable storage, a data storage operation from a host computer; storing data corresponding to the data storage operation within fast durable storage in accordance with a first data resiliency technique; and responsive to detecting a condition for transferring data between fast durable storage and bulk durable storage, transferring the data from fast durable storage to bulk durable storage in accordance with a second data resiliency technique.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: March 21, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Ronald Karr, Constantine Sapuntzakis, Mark McAuliffe, Farhan Abrol, Neil Vachharajani, Timothy Brennan
  • WRITING SEGMENTS AND ERASE BLOCKS BASED ON ORDERING
    Publication number: 20230085040
    Abstract: A method is provided. The method includes receiving a set of data blocks to be stored in a storage system. The storage system includes a plurality of non-volatile memory modules. The method also includes generating a set of segments based on the set of data blocks. A respective segment comprising portions of one or more erase blocks. The method further includes writing the set of segments to the non-volatile memory modules based on orderings of the portions of the one or more erase blocks.
    Type: Application
    Filed: September 19, 2022
    Publication date: March 16, 2023
    Inventors: Benjamin Scholbrock, Andrew R. Bernat, Ronald Karr, Xiaohui Wang
  • Synchronizing Metadata A Cloud-Based Storage System
    Publication number: 20230083480
    Abstract: Symmetric storage using a cloud-based storage system, including: receiving, at a cloud-based storage system among storage systems synchronously replicating a dataset, 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 an address within a storage object, wherein the storage object includes the dataset; and synchronizing metadata on another storage system of the storage systems by sending the metadata update from the cloud-based storage system to the other storage system to update a metadata representation on the second storage system in accordance with the metadata update.
    Type: Application
    Filed: November 22, 2022
    Publication date: March 16, 2023
    Inventors: ASWIN KARUMBUNATHAN, JOSHUA FREILICH, NAVEEN NEELAKANTAM, RONALD KARR
  • Storage cluster with zoned drives
    Patent number: 11604598
    Abstract: A non-volatile solid-state storage is provided. The non-volatile solid state storage includes a non-volatile random access memory (NVRAM) addressable by a processor external to the non-volatile solid state storage. The NVRAM is configured to store user data and metadata relating to the user data. The non-volatile solid state storage includes a flash memory addressable by the processor. The flash memory is configured to store the user data responsive to the processor directing transfer of the user data from the NVRAM to the flash memory.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: March 14, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Brian T. Gold, Ronald Karr
  • Encryption Indicator-based Retention of Recovery Datasets for a Storage System
    Publication number: 20230062383
    Abstract: An illustrative method includes determining an encryption indicator for a first recovery dataset by determining a difference in an amount or percentage of incompressible data associated with the first recovery dataset compared to an amount or percentage of incompressible data associated with a second recovery dataset that temporally precedes the first recovery dataset, the encryption indicator representative of data within or represented by the first recovery dataset that cannot be compressed more than a threshold amount; and performing, based on the encryption indicator for the first recovery dataset, an action with respect to the second recovery dataset, wherein the second recovery dataset is usable to restore data maintained by a storage system to a second state corresponding to a second point in time that temporally precedes a first point in time corresponding to the first recovery dataset.
    Type: Application
    Filed: November 3, 2022
    Publication date: March 2, 2023
    Inventors: Benjamin P. Borowiec, Ronald Karr
  • Staging data within a unified storage element
    Patent number: 11593036
    Abstract: Staging data on a storage element integrating fast durable storage and bulk durable storage, including: receiving, at a storage element integrating fast durable storage and bulk durable storage, a data storage operation from a host computer; storing data corresponding to the data storage operation within fast durable storage in accordance with a first data resiliency technique; and responsive to detecting a condition for transferring data between fast durable storage and bulk durable storage, transferring the data from fast durable storage to bulk durable storage in accordance with a second data resiliency technique.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: February 28, 2023
    Assignee: PURE STORAGE, INC.
    Inventors: Ronald Karr, Constantine Sapuntzakis, John Colgrove
  • Protection of objects in an object store from deletion or overwriting
    Patent number: 11593017
    Abstract: An illustrative method includes an object retention management system establishing a retention policy for a bucket of an object-based storage system, detecting an operation that causes an object to be stored within the bucket, and applying, based on the detecting of the operation, the retention policy to the object, the retention policy preventing the object from being deleted or overwritten for a predefined time duration.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: February 28, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Shao-Ting Chang, Nicholas Yang, Ronald Karr
  • Directing Operations To Synchronously Replicated Storage Systems
    Publication number: 20230036992
    Abstract: Managing connectivity to synchronously replicated storage systems, including: identifying a plurality of storage systems across which a dataset is synchronously replicated; identifying a host that can issue I/O operations directed to the dataset; identifying a plurality of data communications paths between the host and the plurality of storage systems across which a dataset is synchronously replicated; identifying, from amongst the plurality of data communications paths between the host and the plurality of storage systems across which a dataset is synchronously replicated, one or more optimal paths; and issuing, to the host, an identification of the one or more optimal paths.
    Type: Application
    Filed: September 30, 2022
    Publication date: February 2, 2023
    Inventors: JOHN COLGROVE, RONALD KARR, STEVEN HODGSON, DAQUAN ZUO, ROLAND DREIER, DAVID GRUNWALD
  • Selecting paths between a host and a storage system
    Patent number: 11561730
    Abstract: Managing input/output (‘I/O’) queues in a data storage system, including: receiving, by a host that is coupled to a plurality of storage devices via a storage network, a plurality of I/O operations to be serviced by a target storage device; determining, for each of a plurality of paths between the host and the target storage device, a data transfer maximum associated with the path; determining, for one or more of the plurality of paths, a cumulative amount of data to be transferred by I/O operations pending on the path; and selecting a target path for transmitting one or more of the plurality of I/O operations to the target storage device in dependence upon the cumulative amount of data to be transferred by I/O operations pending on the path and the data transfer maximum associated with the path.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: January 24, 2023
    Assignee: Pure Storage, Inc.
    Inventors: Ronald Karr, John Mansperger
  • Data Storage In A Cloud-Based Storage System
    Publication number: 20230014785
    Abstract: Data resiliency in a cloud-based storage system, including: receiving, for storage within a first tier of cloud storage of the cloud-based storage system, one or more segments of data; generating, for each of one or more shards of data of the one or more segments of data, self-describing information for recoverability of the one or more shards of data; and storing, within a second tier of cloud storage of the cloud-based storage system, both the one or more shards of data and the generated self-describing information for recoverability of the one or more shards of data.
    Type: Application
    Filed: September 28, 2022
    Publication date: January 19, 2023
    Inventor: RONALD KARR