Patents by Inventor Brian Masao OKI

Brian Masao OKI 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).

  • Publication number: 20240104143
    Abstract: Methods, apparatus, systems, and articles of manufacture to store cluster information in a distributed datastore are disclosed. An example apparatus includes memory; programmable circuitry; and first instructions to cause the programmable circuitry to: obtain second instructions to create a cluster of first hosts; determine second hosts of the cluster of the first hosts to implement a distributed datastore in the cluster; and cause transmission of third instructions to store cluster information corresponding to the cluster of the first hosts in datastores of the second hosts.
    Type: Application
    Filed: September 27, 2022
    Publication date: March 28, 2024
    Inventors: Brian Masao Oki, Chaitanya Bandi, Subhankar Biswas, Austin Kramer, Leonid Livshin, Alkesh Shah, Pradyumna Agrawal, Cheng Cheng, Andrew Stone
  • Patent number: 11907742
    Abstract: An example method of orchestrating a software-defined (SD) network layer of a virtualized computing system is described, the virtualized computing system including a host cluster, a virtualization management server, and a network management server each connected to a physical network, the host cluster having hosts and a virtualization layer executing on hardware platforms of the hosts. The method includes receiving, at the virtualization management server, a declarative specification describing a proposed state of an SD network for the host cluster, deploying, by the virtualization management server, virtualized infrastructure components in the host cluster in response to the proposed state in the declarative specification, and deploying, by the virtualization management server in cooperation with the network management server, logical network services supported by the virtualized infrastructure components in response to the proposed state in the declarative specification.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: February 20, 2024
    Assignee: VMware, Inc.
    Inventors: Brian Masao Oki, Venkata N. V. Mukkavilli, Swapnil Dattatraya Tiwari, Vasantha K. Tammana
  • Publication number: 20240004687
    Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed for state convergence associated with high availability application migration in a virtualized environment. An example apparatus includes at least one memory, machine readable instructions, and processor circuitry to at least one of execute or instantiate the machine readable instructions to identify a high availability slot in a virtual server rack including a first virtual machine (VM) associated with first configuration data that identifies the first VM as a protected VM, transmit second configuration data to a second VM that identifies the first VM as a nonprotected VM and the second VM as the protected VM, after a determination that a network partition is identified based on a failure of a request to retrieve the second configuration data from the second VM, and transfer data from the first VM to the second VM after causing the removal of the network partition.
    Type: Application
    Filed: November 18, 2022
    Publication date: January 4, 2024
    Inventors: DEEPAK BABARJUNG, BRIAN MASAO OKI, MAARTEN WIGGERS, IVAYLO RADOSLAVOV RADEV, SANDEEP SINHA
  • Publication number: 20230393882
    Abstract: Described herein are systems, methods, and software to manage virtual machine shutdowns in a computing environment. In one example, a management service identifies a virtual machine file in a file system associated with a first virtual machine and one or more additional virtual machines and identifies a lock on the virtual machine file by the first virtual machine. The management service further stops execution of the one or more additional virtual machines in response to identifying the lock.
    Type: Application
    Filed: May 30, 2023
    Publication date: December 7, 2023
    Inventors: Avinash Nagalapur Jambana GOUD, Aniket Avinash Sakhardande, Alkesh Shah, Brian Masao OKI, Vasantha Kumari Tammana
  • Publication number: 20230393881
    Abstract: Systems, apparatus, articles of manufacture, and methods are disclosed to manage a deployment of virtual machines in a cluster by, in a first host of a plurality of hosts, monitor, with first control plane services, an availability of second control plane services at a second host of the plurality of hosts, wherein the first control plane services and the second control plane services support implementation of application programming interface (API) requests in association with managing a cluster, after a determination that the second control plane services at the second host is not available, assign the first control plane services at the first host to operate in place of the second control plane services at the second host, and in the first host, assign, via the first control plane services at the first host, resources of one or more hosts in the cluster to support the API request.
    Type: Application
    Filed: May 26, 2023
    Publication date: December 7, 2023
    Inventors: Brian Masao Oki, George Gregory Hicken, Mukesh Hira, Leonid Livshin, Ivaylo Vladimirov Loboshki, Ivaylo Radoslavov Radev, Alkesh Shah, Jianjun Shen, Abhishek Ajit Srivastava, Konstantinos Roussos, Stanimir Plamenov Lukanov, Anton Valentinov Donchevski, Georgi Lyubomirov Dimitrov
  • Patent number: 11824929
    Abstract: The present disclosure relates to using maintenance mode to upgrade a distributed system. One method includes determining that a first host of a cluster of a software-defined datacenter (SDDC) is to be upgraded as a part of a rolling upgrade of the hosts of the cluster, wherein the first host is executing a process instance of a cluster store, demoting the process instance to a proxy, creating a replica of the process instance using a different proxy on a second host of the cluster, instructing the first host to enter a maintenance mode, upgrading the first host, and instructing the first host to leave the maintenance mode.
    Type: Grant
    Filed: July 25, 2022
    Date of Patent: November 21, 2023
    Assignee: VMware, Inc.
    Inventors: Alkesh Shah, Ramses V. Morales, Leonid Livshin, Austin Kramer, Nitin Nagaraja, Brian Masao Oki, Sunil Vajir
  • Publication number: 20230333758
    Abstract: A method for maintaining fault tolerance in a storage cluster is provided. Embodiments include receiving, by a management component associated with a distributed data store on a cluster of host machines, a request to place a first host machine of the cluster of host machines in a maintenance mode, wherein the first host machine stores given data of the distributed data store. Embodiments include determining whether a second host machine that does not currently store any data of the distributed data store exists in the cluster of host machines. Embodiments include determining, based on whether the second host machine exists in the cluster of host machines, whether to transfer the given data of the distributed data store from the first host machine to the second host machine. Embodiments include initiating the maintenance mode on the first host machine.
    Type: Application
    Filed: June 20, 2023
    Publication date: October 19, 2023
    Inventors: Alkesh SHAH, Austin KRAMER, Leonid LIVSHIN, Ramses V. MORALES, Brian Masao OKI
  • Patent number: 11748222
    Abstract: The present disclosure relates to health measurement and remediation of distributed systems upgrades. One method includes communicating a request for a health status to a cluster store provided by a cluster of hosts of a software-defined datacenter, wherein the cluster store includes a plurality of process instances undergoing a rolling upgrade, receiving a health status indication in response to the request, the health status indication determined based on a determination of whether the cluster store is available and a determination of whether the cluster store is operational, and taking a remediation action in response to the health status indication exceeding a threshold.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: September 5, 2023
    Assignee: VMware, Inc.
    Inventors: Ramses V. Morales, Alkesh Shah, Leonid Livshin, Austin Kramer, Nitin Nagaraja, Brian Masao Oki, Sunil Vajir
  • Patent number: 11722560
    Abstract: A method for reconciling host membership information in a data center. The method generally includes querying, by a remote management device configured to manage one or more host clusters in the data center, one or more cluster stores to retrieve first host membership information for each of the one or more host clusters, each cluster store being associated with a host cluster of the one or more host clusters, comparing second host membership information stored at the remote management device for the one or more host clusters to the first host membership information to identify one or more discrepancies between the second host membership information and the first host membership information, and updating the second host membership information such that the second host membership information is consistent with the first host membership information.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: August 8, 2023
    Assignee: VMWARE, INC.
    Inventors: Alkesh Shah, Subhankar Biswas, Leonid Livshin, Brian Masao Oki, Sunil Vajir
  • Patent number: 11720267
    Abstract: A method for maintaining fault tolerance in a storage cluster is provided. Embodiments include receiving, by a management component associated with a distributed data store on a cluster of host machines, a request to place a first host machine of the cluster of host machines in a maintenance mode, wherein the first host machine stores given data of the distributed data store. Embodiments include determining whether a second host machine that does not currently store any data of the distributed data store exists in the cluster of host machines. Embodiments include determining, based on whether the second host machine exists in the cluster of host machines, whether to transfer the given data of the distributed data store from the first host machine to the second host machine. Embodiments include initiating the maintenance mode on the first host machine.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: August 8, 2023
    Assignee: VMWARE, INC.
    Inventors: Alkesh Shah, Austin Kramer, Leonid Livshin, Ramses V. Morales, Brian Masao Oki
  • Publication number: 20230229476
    Abstract: An example method of deploying a virtual machine (VM) in a software-defined data center (SDDC) includes: receiving a VM specification for the VM at an elastic control plane executing in a cluster of hosts having a virtualization layer; composing, by the elastic control plane in response to the VM specification, logical resources of the cluster managed by the virtualization layer; composing, by the elastic control plane, physical resources of the SDDC to add new hardware to the cluster; expanding, by the elastic control plane, the logical resources with new logical resources managed by the virtualization layer and backed by the new hardware; and deploying, by the elastic control plane, the VM in a virtual environment composed from the logical resources as expanded.
    Type: Application
    Filed: January 20, 2022
    Publication date: July 20, 2023
    Inventors: Brian Masao OKI, Rams├ęs V. MORALES, Adrian DRZEWIECKI, Konstantinos ROUSSOS, Olivier Alain CREMEL
  • Publication number: 20230131052
    Abstract: A method for reconciling host membership information in a data center. The method generally includes querying, by a remote management device configured to manage one or more host clusters in the data center, one or more cluster stores to retrieve first host membership information for each of the one or more host clusters, each cluster store being associated with a host cluster of the one or more host clusters, comparing second host membership information stored at the remote management device for the one or more host clusters to the first host membership information to identify one or more discrepancies between the second host membership information and the first host membership information, and updating the second host membership information such that the second host membership information is consistent with the first host membership information.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 27, 2023
    Inventors: Alkesh SHAH, Subhankar BISWAS, Leonid LIVSHIN, Brian Masao OKI, Sunil VAJIR
  • Publication number: 20230118169
    Abstract: A method for maintaining fault tolerance in a storage cluster is provided. Embodiments include receiving, by a management component associated with a distributed data store on a cluster of host machines, a request to place a first host machine of the cluster of host machines in a maintenance mode, wherein the first host machine stores given data of the distributed data store. Embodiments include determining whether a second host machine that does not currently store any data of the distributed data store exists in the cluster of host machines. Embodiments include determining, based on whether the second host machine exists in the cluster of host machines, whether to transfer the given data of the distributed data store from the first host machine to the second host machine. Embodiments include initiating the maintenance mode on the first host machine.
    Type: Application
    Filed: October 19, 2021
    Publication date: April 20, 2023
    Inventors: Alkesh SHAH, Austin KRAMER, Leonid LIVSHIN, Ramses V. MORALES, Brian Masao OKI
  • Publication number: 20230029943
    Abstract: The present disclosure relates to health measurement and remediation of distributed systems upgrades. One method includes communicating a request for a health status to a cluster store provided by a cluster of hosts of a software-defined datacenter, wherein the cluster store includes a plurality of process instances undergoing a rolling upgrade, receiving a health status indication in response to the request, the health status indication determined based on a determination of whether the cluster store is available and a determination of whether the cluster store is operational, and taking a remediation action in response to the health status indication exceeding a threshold.
    Type: Application
    Filed: July 23, 2021
    Publication date: February 2, 2023
    Applicant: VMware, Inc.
    Inventors: Ramses V. Morales, Alkesh Shah, Leonid Livshin, Austin Kramer, Nitin Nagaraja, Brian Masao Oki, Sunil Vajir
  • Publication number: 20230023625
    Abstract: The present disclosure relates to using maintenance mode to upgrade a distributed system. One method includes determining that a first host of a cluster of a software-defined datacenter (SDDC) is to be upgraded as a part of a rolling upgrade of the hosts of the cluster, wherein the first host is executing a process instance of a cluster store, demoting the process instance to a proxy, creating a replica of the process instance using a different proxy on a second host of the cluster, instructing the first host to enter a maintenance mode, upgrading the first host, and instructing the first host to leave the maintenance mode.
    Type: Application
    Filed: July 25, 2022
    Publication date: January 26, 2023
    Applicant: VMware, Inc.
    Inventors: Alkesh Shah, Ramses V. Morales, Leonid Livshin, Austin Kramer, Nitin Nagaraja, Brian Masao Oki, Sunil Vajir
  • Patent number: 11412040
    Abstract: The present disclosure relates to using maintenance mode to upgrade a distributed system. One method includes determining that a first host of a cluster of a software-defined datacenter (SDDC) is to be upgraded as a part of a rolling upgrade of the hosts of the cluster, wherein the first host is executing a process instance of a cluster store, demoting the process instance to a proxy, creating a replica of the process instance using a different proxy on a second host of the cluster, instructing the first host to enter a maintenance mode, upgrading the first host, and instructing the first host to leave the maintenance mode.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: August 9, 2022
    Assignee: VMware, Inc.
    Inventors: Alkesh Shah, Ramses V. Morales, Leonid Livshin, Austin Kramer, Nitin Nagaraja, Brian Masao Oki, Sunil Vajir
  • Publication number: 20220197688
    Abstract: An example method of data protection in a virtualized computing system, which includes host clusters, a virtualization management server, and a network manager coupled to a physical network, each host cluster having hosts and a virtualization layer executing on hardware platforms of the hosts, is described. The method includes receiving, at the virtualization management server, a restore request; executing, at the virtualization management server in response to the restore request, restoration of a coupled backup of the virtualization management server and the network manager, the coupled backup including a backup of a first database of the virtualization management server and a backup of a second database of the network manager, the restoration including: restoring at least one of the first database and the second database from the coupled backup; repairing runtime state of at least one of the host clusters to make the runtime state consistent with the restoration.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 23, 2022
    Inventors: Brian Masao OKI, Mukesh HIRA, Konstantinos ROUSSOS, Gayathri VUPPULURI
  • Publication number: 20220197687
    Abstract: An example method of data protection in a virtualized computing system, the virtualized computing system including a host cluster, a virtualization management server connected, and a network manager coupled to a physical network, the host cluster having hosts and a virtualization layer executing on hardware platforms of the hosts, is described. The method includes: receiving a backup request; executing, in response to the backup request, a coupled backup of the virtualization management server and the network manager, including: creating a backup of a first database in the virtualization management server, the first database storing first configuration data for a virtual infrastructure (VI) control plane of the host cluster; creating a backup of a second database in the network manager, the second database storing second configuration data for a logical network deployed in the host cluster; and storing the coupled backup in remote storage.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 23, 2022
    Inventors: Brian Masao OKI, Mukesh HIRA, Konstantinos ROUSSOS, Gayathri VUPPULURI
  • Publication number: 20220004417
    Abstract: An example method of deploying a logical network platform in a virtualized computing system, the virtualized computing system including a host cluster and a virtualization management server connected to a physical network, the host cluster having hosts and a virtualization layer executing on hardware platforms of the hosts is described. The method includes receiving, at the virtualization management server, a declarative specification describing a proposed state of the logical network platform; deploying, by the virtualization management server, a network manager of the logical network platform in response to the proposed state in the declarative specification; and deploying, by the virtualization management server in cooperation with the network manager, binaries to the hosts in the host cluster.
    Type: Application
    Filed: August 28, 2020
    Publication date: January 6, 2022
    Inventors: SANDEEP SINHA, Ammar RIZVI, Krishnendu GORAI, Brian Masao OKI, Akash KODENKIRI
  • Publication number: 20210311760
    Abstract: An example method of orchestrating a software-defined (SD) network layer of a virtualized computing system is described, the virtualized computing system including a host cluster, a virtualization management server, and a network management server each connected to a physical network, the host cluster having hosts and a virtualization layer executing on hardware platforms of the hosts. The method includes receiving, at the virtualization management server, a declarative specification describing a proposed state of an SD network for the host cluster, deploying, by the virtualization management server, virtualized infrastructure components in the host cluster in response to the proposed state in the declarative specification, and deploying, by the virtualization management server in cooperation with the network management server, logical network services supported by the virtualized infrastructure components in response to the proposed state in the declarative specification.
    Type: Application
    Filed: April 2, 2020
    Publication date: October 7, 2021
    Inventors: Brian Masao OKI, Venkata N. V. MUKKAVILLI, Swapnil Dattatraya TIWARI, Vasantha K. TAMMANA