Patents by Inventor ASWIN KARUMBUNATHAN
ASWIN KARUMBUNATHAN 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).
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Patent number: 11928366Abstract: A cloud-based storage system within a cloud computing environment, the cloud-based storage system including: monitoring, for the cloud-based storage system, one or more storage system operations, wherein the cloud-based storage system includes a virtual instance storage layer and a cloud-based storage layer; determining, based at least upon the one or more storage system operations, one or more access patterns for the cloud-based storage system; and modifying, based at least upon the one or more access patterns for the cloud-based storage system, one or more cloud configurations for the cloud-based storage system.Type: GrantFiled: July 1, 2022Date of Patent: March 12, 2024Assignee: PURE STORAGE, INC.Inventors: Aswin Karumbunathan, John Colgrove, Constantine Sapuntzakis, Joshua Freilich, Naveen Neelakantam, Sergey Zhuravlev
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Patent number: 11838359Abstract: 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: GrantFiled: November 22, 2022Date of Patent: December 5, 2023Assignee: PURE STORAGE, INC.Inventors: Aswin Karumbunathan, Joshua Freilich, Naveen Neelakantam, Ronald Karr
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Publication number: 20230359532Abstract: Taking recovery actions for replicated datasets, including: determining whether a request to modify a dataset that is synchronously replicated among a plurality of storage systems has been applied on a particular storage system of the plurality of storage systems, wherein the plurality of storage systems is synchronously replicating the dataset by acknowledging the request as being complete when each storage system has modified its copy of the dataset; and applying a recovery action based on whether the request to modify the dataset has been applied on the particular storage system of the plurality of storage systems.Type: ApplicationFiled: July 12, 2023Publication date: November 9, 2023Inventors: JOSHUA FREILICH, ASWIN KARUMBUNATHAN, NAVEEN NEELAKANTAM, RONALD KARR
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Publication number: 20230353635Abstract: Synchronously replicating a dataset across cloud-based storage systems, including adding a cloud-based storage system to a set of storage systems that the dataset is synchronously replicated across, where access operations are applied to the dataset equivalently through all storage systems in the set, all storage systems in the set store a separate copy of the dataset, and operations to modify the dataset performed and completed through any of the storage systems in the set are reflected in access operations to read the dataset, the cloud-based storage system including one or more cloud computing instances executing a storage controller application, a virtual drive layer that includes one or more cloud computing instances with local storage for storing at least a portion of the dataset as block data, and an object storage layer for storing at least a portion of the dataset as object data.Type: ApplicationFiled: July 10, 2023Publication date: November 2, 2023Inventors: ASWIN KARUMBUNATHAN, JOHN COLGROVE, CONSTANTINE SAPUNTZAKIS, JOSHUA FREILICH, NAVEEN NEELAKANTAM, SERGEY ZHURAVLEV, RONALD KARR
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Patent number: 11797197Abstract: Dynamic scaling of a virtual storage system, including: detecting, within one or more virtual components of the virtual storage system, a change in performance; determining, in response to the detected change in performance, a scaling response based on the virtual storage system meeting one or more target performance metrics; and scaling, based on one or more available virtual components of the virtual storage system, up or down such that performance of the virtual storage system is in accordance within the one or more target performance metrics.Type: GrantFiled: January 30, 2020Date of Patent: October 24, 2023Assignee: PURE STORAGE, INC.Inventors: Ronald Karr, Naveen Neelakantam, Joshua Freilich, Aswin Karumbunathan
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Publication number: 20230289268Abstract: 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: ApplicationFiled: May 19, 2023Publication date: September 14, 2023Inventors: RONALD KARR, DAVID GRUNWALD, NAVEEN NEELAKANTAM, ZOHEB SHIVANI, THOMAS GILL, CONNOR BROOKS, ASWIN KARUMBUNATHAN, KUNAL TRIVEDI
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Patent number: 11716385Abstract: Synchronously replicating a dataset across cloud-based storage systems, including adding a cloud-based storage system to a set of storage systems that the dataset is synchronously replicated across, where access operations are applied to the dataset equivalently through all storage systems in the set, all storage systems in the set store a separate copy of the dataset, and operations to modify the dataset performed and completed through any of the storage systems in the set are reflected in access operations to read the dataset, the cloud-based storage system including one or more cloud computing instances executing a storage controller application, a virtual drive layer that includes one or more cloud computing instances with local storage for storing at least a portion of the dataset as block data, and an object storage layer for storing at least a portion of the dataset as object data.Type: GrantFiled: July 29, 2021Date of Patent: August 1, 2023Assignee: PURE STORAGE, INC.Inventors: Aswin Karumbunathan, John Colgrove, Constantine Sapuntzakis, Joshua Freilich, Naveen Neelakantam, Sergey Zhuravlev, Ronald Karr
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Patent number: 11704202Abstract: 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: GrantFiled: March 24, 2022Date of Patent: July 18, 2023Assignee: PURE STORAGE, INC.Inventors: Joshua Freilich, Aswin Karumbunathan, Naveen Neelakantam, Ronald Karr
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Patent number: 11698844Abstract: 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: GrantFiled: May 26, 2022Date of Patent: July 11, 2023Assignee: Pure Storage, Inc.Inventors: Ronald Karr, David Grunwald, Naveen Neelakantam, Zoheb Shivani, Thomas Gill, Connor Brooks, Aswin Karumbunathan, Kunal Trivedi
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Publication number: 20230115293Abstract: 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: ApplicationFiled: December 8, 2022Publication date: April 13, 2023Inventors: RONALD KARR, NAVEEN NEELAKANTAM, JOSHUA FREILICH, ASWIN KARUMBUNATHAN
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Publication number: 20230088620Abstract: 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: ApplicationFiled: November 28, 2022Publication date: March 23, 2023Inventors: ASWIN KARUMBUNATHAN, JOSHUA FREILICH, NAVEEN NEELAKANTAM, RONALD KARR
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Publication number: 20230083480Abstract: 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: ApplicationFiled: November 22, 2022Publication date: March 16, 2023Inventors: ASWIN KARUMBUNATHAN, JOSHUA FREILICH, NAVEEN NEELAKANTAM, RONALD KARR
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Patent number: 11550514Abstract: Efficiently transferring data between tiers in a virtual storage system, including: receiving, by the virtual storage system, a request to write data to the virtual storage system; transforming, within storage provided by a first tier of storage of the virtual storage system, the data to generate transformed data; and migrating, from the first tier of storage to a second tier of storage that is more durable than the first tier of storage of the virtual storage system, at least a portion of the transformed data.Type: GrantFiled: January 30, 2020Date of Patent: January 10, 2023Assignee: Pure Storage, Inc.Inventors: Ronald Karr, Naveen Neelakantam, Joshua Freilich, Aswin Karumbunathan
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Patent number: 11539793Abstract: 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: GrantFiled: January 20, 2021Date of Patent: December 27, 2022Assignee: PURE STORAGE, INC.Inventors: Aswin Karumbunathan, Joshua Freilich, Naveen Neelakantam, Ronald Karr
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Patent number: 11533364Abstract: 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: GrantFiled: January 21, 2021Date of Patent: December 20, 2022Assignee: PURE STORAGE, INC.Inventors: Aswin Karumbunathan, Joshua Freilich, Naveen Neelakantam, Ronald Karr
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Patent number: 11526408Abstract: 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: GrantFiled: January 30, 2020Date of Patent: December 13, 2022Assignee: Pure Storage, Inc.Inventors: Ronald Karr, Naveen Neelakantam, Joshua Freilich, Aswin Karumbunathan
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Publication number: 20220350493Abstract: A cloud-based storage system within a cloud computing environment, the cloud-based storage system including: monitoring, for the cloud-based storage system, one or more storage system operations, wherein the cloud-based storage system includes a virtual instance storage layer and a cloud-based storage layer; determining, based at least upon the one or more storage system operations, one or more access patterns for the cloud-based storage system; and modifying, based at least upon the one or more access patterns for the cloud-based storage system, one or more cloud configurations for the cloud-based storage system.Type: ApplicationFiled: July 1, 2022Publication date: November 3, 2022Inventors: ASWIN KARUMBUNATHAN, JOHN COLGROVE, CONSTANTINE SAPUNTZAKIS, JOSHUA FREILICH, NAVEEN NEELAKANTAM, SERGEY ZHURAVLEV
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Publication number: 20220283916Abstract: 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: ApplicationFiled: May 26, 2022Publication date: September 8, 2022Inventors: RONALD KARR, DAVID GRUNWALD, NAVEEN NEELAKANTAM, ZOHEB SHIVANI, THOMAS GILL, CONNOR BROOKS, ASWIN KARUMBUNATHAN, KUNAL TRIVEDI
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Publication number: 20220229744Abstract: 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: ApplicationFiled: March 24, 2022Publication date: July 21, 2022Inventors: JOSHUA FREILICH, ASWIN KARUMBUNATHAN, NAVEEN NEELAKANTAM, RONALD KARR
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Patent number: 11379254Abstract: A cloud-based storage system within a cloud computing environment, the cloud-based storage system including: monitoring, for the cloud-based storage system, one or more storage system operations, wherein the cloud-based storage system includes a virtual instance storage layer and a cloud-based storage layer; determining, based at least upon the one or more storage system operations, one or more access patterns for the cloud-based storage system; and modifying, based at least upon the one or more access patterns for the cloud-based storage system, one or more cloud configurations for the cloud-based storage system.Type: GrantFiled: April 3, 2019Date of Patent: July 5, 2022Assignee: Pure Storage, Inc.Inventors: Aswin Karumbunathan, John Colgrove, Constantine Sapuntzakis, Joshua Freilich, Naveen Neelakantam, Sergey Zhuravlev