Patents by Inventor Constantine Sapuntzakis
Constantine Sapuntzakis 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: 11960777Abstract: Utilizing multiple redundancy schemes within a unified storage element, including: receiving, in a storage system at a unified storage element that integrates both fast durable storage and bulk durable storage, a data storage operation from a host computer; storing, in accordance with a first data resiliency technique that corresponds to a RAID N+R format, data corresponding to the data storage operation within the fast durable storage of the unified storage element; and responsive to determining that the complete RAID stripe has been written to the fast durable storage, moving a portion of the stored data from the fast durable storage to the bulk durable storage of the unified storage element, the bulk durable storage storing the data in accordance with a second data resiliency technique that corresponds to a RAID M+R format, wherein M is different from N.Type: GrantFiled: February 27, 2023Date of Patent: April 16, 2024Assignee: PURE STORAGE, INC.Inventors: Ronald Karr, Constantine Sapuntzakis, John Colgrove
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Patent number: 11947683Abstract: 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: GrantFiled: December 12, 2022Date of Patent: April 2, 2024Assignee: PURE STORAGE, INC.Inventors: Ronald Karr, Constantine Sapuntzakis, John Colgrove
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Patent number: 11943293Abstract: Restoring a storage system from a replication target, 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 retrieving, by the first storage system from the second storage system, the reduced data, wherein the reduced data is encrypted.Type: GrantFiled: July 24, 2020Date of Patent: March 26, 2024Assignee: PURE STORAGE, INC.Inventors: John Colgrove, Ronald Karr, Constantine Sapuntzakis
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Patent number: 11936654Abstract: Providing authorization and authentication in a cloud for a user of a storage array includes: receiving, by a storage array access module from a client-side array services module, a token representing authentication of user credentials and authorized access privileges defining one or more storage array services accessible by the user, where the token is generated by a cloud-based security module upon authentication of the user credentials and identification of authorized access privileges for the user; receiving, by the storage array access module from the user, a user access request to one or more storage array services; and determining, by the storage array access module, whether to grant the user access request in dependence upon the authorized access privileges represented by the token.Type: GrantFiled: November 8, 2022Date of Patent: March 19, 2024Assignee: PURE STORAGE, INC.Inventors: Jimmy T. Hu, Benjamin Borowiec, Ethan Miller, Terence Noonan, Constantine Sapuntzakis, Neil Vachharajani, Daquan Zuo
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Patent number: 11930112Abstract: Multi-path end-to-end encryption in a storage system, includes: receiving, by a storage system through a first path, a first write request for first data to be stored in a dataset, where the first data is encrypted with a first encryption key associated with requests received from the first path; decrypting the first data utilizing the first encryption key; encrypting the first data using a storage system encryption key; storing the first data in the dataset; receiving, by the storage system through a second path, a second write request for second data to be stored in the dataset, where the second data is encrypted with a second encryption key associated with requests received from the second path; decrypting the second data utilizing the second encryption key; encrypting the second data using the storage system encryption key; and storing the second data in the dataset.Type: GrantFiled: July 24, 2020Date of Patent: March 12, 2024Assignee: PURE STORAGE, INC.Inventors: Ronald Karr, Constantine Sapuntzakis, John Colgrove
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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: 11868318Abstract: End-to-end encryption in a storage system with multi-tenancy, includes: performing deduplication on a first tenant dataset, the first tenant dataset including data encrypted using a first storage system encryption key; and performing deduplication on a second tenant dataset, the second tenant dataset including data encrypted using a second storage system encryption key, where deduplication is not performed between the first and second tenant datasets.Type: GrantFiled: July 24, 2020Date of Patent: January 9, 2024Assignee: PURE STORAGE, INC.Inventors: Ronald Karr, Constantine Sapuntzakis, John Colgrove
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Publication number: 20230359402Abstract: Variable redundancy for metadata in storage systems, including: gathering information describing one or more failure characteristics for a plurality of storage devices of a storage system; determining, based on the one or more failure characteristics, a degree of redundancy for metadata stored in the storage system; and applying the degree of redundancy to the metadata.Type: ApplicationFiled: June 12, 2023Publication date: November 9, 2023Inventors: ANDREW BERNAT, MARK McAULIFFE, CONSTANTINE SAPUNTZAKIS
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Publication number: 20230350751Abstract: Performing partial redundant array of independent disks (RAID) stripe parity calculations, including: receiving a last portion of a RAID stripe among multiple portions of the RAID stripe, all portions for a successful write of the RAID stripe being previously received except for the last portion; calculating a parity value based on the last portion of the RAID stripe and a previous parity value without calculating the parity value using a previous portion of the RAID stripe; and writing of the RAID stripe.Type: ApplicationFiled: July 7, 2023Publication date: November 2, 2023Inventors: CONSTANTINE SAPUNTZAKIS, MARCO SANVIDO, TIMOTHY BRENNAN
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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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Publication number: 20230325282Abstract: 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: ApplicationFiled: June 13, 2023Publication date: October 12, 2023Inventors: CONSTANTINE SAPUNTZAKIS, NAVEEN NEELAKANTAM, RONALD KARR
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Publication number: 20230315346Abstract: Utilizing multiple redundancy schemes within a unified storage element, including: receiving, in a storage system at a unified storage element that integrates both fast durable storage and bulk durable storage, a data storage operation from a host computer; storing, in accordance with a first data resiliency technique that corresponds to a RAID N+R format, data corresponding to the data storage operation within the fast durable storage of the unified storage element; and responsive to determining that the complete RAID stripe has been written to the fast durable storage, moving a portion of the stored data from the fast durable storage to the bulk durable storage of the unified storage element, the bulk durable storage storing the data in accordance with a second data resiliency technique that corresponds to a RAID M+R format, wherein M is different from N.Type: ApplicationFiled: February 27, 2023Publication date: October 5, 2023Inventors: RONALD KARR, CONSTANTINE SAPUNTZAKIS, JOHN COLGROVE
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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: 11714718Abstract: A method of performing partial redundant array of independent disks (RAID) stripe parity calculations is disclosed. The method includes receiving a last portion of a RAID stripe among multiple portions of the RAID stripe, all portions for a successful write of the RAID stripe being previously received except for the last portion. The method also includes calculating a parity value based on the last portion of the RAID stripe and a previous parity value without calculating the parity value using a previous portion of the RAID stripe. The method further includes writing of the RAID stripe.Type: GrantFiled: July 13, 2022Date of Patent: August 1, 2023Assignee: PURE STORAGE, INC.Inventors: Constantine Sapuntzakis, Marco Sanvido, Timothy Brennan
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Publication number: 20230229363Abstract: 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: ApplicationFiled: March 20, 2023Publication date: July 20, 2023Inventors: RONALD KARR, CONSTANTINE SAPUNTZAKIS, MARK McAULIFFE, FARHAN ABROL, NEIL VACHHARAJANI, TIMOTHY BRENNAN
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Patent number: 11698837Abstract: 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: GrantFiled: June 17, 2021Date of Patent: July 11, 2023Assignee: Pure Storage, Inc.Inventors: Constantine Sapuntzakis, Naveen Neelakantam, Ronald Karr
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Publication number: 20230107685Abstract: 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: ApplicationFiled: December 12, 2022Publication date: April 6, 2023Inventors: RONALD KARR, CONSTANTINE SAPUNTZAKIS, JOHN COLGROVE
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Patent number: 11609718Abstract: 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: GrantFiled: July 23, 2020Date of Patent: March 21, 2023Assignee: PURE STORAGE, INC.Inventors: Ronald Karr, Constantine Sapuntzakis, Mark McAuliffe, Farhan Abrol, Neil Vachharajani, Timothy Brennan
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Publication number: 20230068106Abstract: Providing authorization and authentication in a cloud for a user of a storage array includes: receiving, by a storage array access module from a client-side array services module, a token representing authentication of user credentials and authorized access privileges defining one or more storage array services accessible by the user, where the token is generated by a cloud-based security module upon authentication of the user credentials and identification of authorized access privileges for the user; receiving, by the storage array access module from the user, a user access request to one or more storage array services; and determining, by the storage array access module, whether to grant the user access request in dependence upon the authorized access privileges represented by the token.Type: ApplicationFiled: November 8, 2022Publication date: March 2, 2023Inventors: JIMMY T. HU, BENJAMIN BOROWIEC, ETHAN MILLER, TERENCE NOONAN, CONSTANTINE SAPUNTZAKIS, NEIL VACHHARAJANI, DAQUAN ZUO
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Patent number: 11592991Abstract: Converting RAID data between persistent storage types, including: for each portion of a RAID shard of a RAID stripe: writing, to a respective plurality of source solid state drives, the portion of the RAID shard; detecting that all portions of the RAID shard have been successfully written; copying, from one of the plurality of source solid state drives to a respective target solid state drive among a plurality of target solid state drives from one of the plurality of source solid state drives, the RAID shard, where the RAID shard is copied from a source solid state drive that is different from where each other RAID shard of the RAID stripe is copied from.Type: GrantFiled: September 7, 2017Date of Patent: February 28, 2023Assignee: PURE STORAGE, INC.Inventors: Timothy Brennan, Constantine Sapuntzakis