Patents by Inventor Kalpesh Ashok Bafna
Kalpesh Ashok Bafna 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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Publication number: 20210141630Abstract: In one embodiment, a system for managing a virtualization environment includes host machines implementing a virtualization environment, a plurality of clusters of the host machines, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), and a VFS cluster manager (CM) configured to distribute storage items among the clusters and receive cluster storage statistics for one or more shares of the VFS. The CM is further configured to, in response to a request from a first FSVM to identify a storage location for a storage item, identify a cluster at which the storage item is to be located based on the cluster storage statistics, identify a second FSVM at which the storage item is to be located based on compute usage statistics of one or more FSVMs in the identified cluster, and send an address of the second FSVM to the first FSVM.Type: ApplicationFiled: November 6, 2020Publication date: May 13, 2021Applicant: Nutanix, Inc.Inventors: Richard James Sharpe, Durga Mahesh Arikatla, Kalpesh Ashok Bafna, Satyajit Sanjeev Deshmukh, Shyamsunder Prayagchand Rathi, Vishal Sinha, Devyani Suryakant Kanada
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Patent number: 10949192Abstract: In one embodiment, a system for managing a virtualization environment includes a set of host machines, each of which includes a hypervisor, virtual machines, and a virtual machine controller, and a first virtualized file server configured to receive a request to access a storage item located at a second virtualized file server, determine that the storage item is designated as being accessible by other virtualized file servers, identify an FSVM of the second virtualized file server at which the storage item is located, and forward the request to the FSVM of the second virtualized file server. The storage item may be designated as being accessible by other virtualized file servers when the storage item is associated with a predetermined tag value indicating that the storage item is shared among virtualized file servers. The predetermined tag value may be stored in a sharding map in association with the storage item.Type: GrantFiled: September 24, 2018Date of Patent: March 16, 2021Assignee: Nutanix, Inc.Inventors: Anil Kumar Gopalapura Venkatesh, Richard James Sharpe, Durga Mahesh Arikatla, Kalpesh Ashok Bafna, Devyani Suryakant Kanada
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Patent number: 10838708Abstract: In one embodiment, a system for managing a virtualization environment comprises a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines and conducts I/O transactions with the one or more virtual disks, and a virtualized file server backup system configured to back up data stored in a VFS located a cluster of host machines to an object store, and retrieve the backed-up data as needed to restore the data in the VFS. The object store may be located in a public cloud. The object store may include a low-cost storage medium within the cluster. An FSVM of the VFS may provide an object store interface to low-cost storage media.Type: GrantFiled: October 15, 2018Date of Patent: November 17, 2020Assignee: Nutanix, Inc.Inventors: Vishal Sinha, Richard James Sharpe, Kalpesh Ashok Bafna, Anil Kumar Gopalapura Venkatesh, Durga Mahesh Arikatla, Shyamsunder Prayagchand Rathi
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Patent number: 10831465Abstract: In one embodiment, a system for managing a virtualization environment includes host machines implementing a virtualization environment, a plurality of clusters of the host machines, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), and a VFS cluster manager (CM) configured to distribute storage items among the clusters and receive cluster storage statistics for one or more shares of the VFS. The CM is further configured to, in response to a request from a first FSVM to identify a storage location for a storage item, identify a cluster at which the storage item is to be located based on the cluster storage statistics, identify a second FSVM at which the storage item is to be located based on compute usage statistics of one or more FSVMs in the identified cluster, and send an address of the second FSVM to the first FSVM.Type: GrantFiled: February 1, 2017Date of Patent: November 10, 2020Assignee: Nutanix, Inc.Inventors: Richard James Sharpe, Durga Mahesh Arikatla, Kalpesh Ashok Bafna, Satyajit Sanjeev Deshmukh, Shyamsunder Prayagchand Rathi, Vishal Sinha, Devyani Suryakant Kanada
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Patent number: 10809998Abstract: In one embodiment, a system for managing a virtualization environment includes a set of host machines, each of which includes a hypervisor, virtual machines, and a virtual machine controller, and a file server splitting system configured to split an existing virtualized file server (VFS) into a set of new virtualized file servers (VFSs), the splitting system configured to select one or more existing file server virtual machines (FSVMs) to be removed from the existing VFS. For each existing FSVM, the splitting system is configured to identify an available FSVM that is separate from the existing VFS, provide resources of the existing FSVM to the available FSVM, incorporate the available FSVM into one of the new VFSs, and remove the existing FSVM from the existing VFS. The splitting system may be further configured to re-direct requests to access storage items served by the existing FSVM to the available FSVM.Type: GrantFiled: February 1, 2017Date of Patent: October 20, 2020Assignee: Nutanix, Inc.Inventors: Anil Kumar Gopalapura Venkatesh, Satyajit Sanjeev Deshmukh, Richard James Sharpe, Shyamsunder Prayagchand Rathi, Durga Mahesh Arikatla, Rishabh Sharma, Kalpesh Ashok Bafna
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Patent number: 10728090Abstract: Examples of systems described herein include a file server virtual machine of a virtualized file server configured to communicate with a user virtual machine over a first virtual network to transfer data and to communicate with a controller virtual machine over a second virtual network to transfer control information.Type: GrantFiled: December 1, 2017Date of Patent: July 28, 2020Assignee: Nutanix, Inc.Inventors: Satyajit Sanjeev Deshmukh, Devyani Suryakant Kanada, Anil Kumar Gopalapura Venkatesh, Kalpesh Ashok Bafna, Rishabh Sharma, Mausumi Ranasingh, Simon Martin Mijolovic
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Patent number: 10719305Abstract: In one embodiment, a system for managing a virtualization environment comprises a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines, and a backup system configured to, in response to a request to access a data item, determine an access frequency for the data item. The backup system is further configured to, in response a request to store a data item, determine a storage tier at which the data item is to be stored in a cloud storage service, wherein the tier is determined based on the access frequency associated with the data item, and store the data item at the determined tier of the cloud storage service.Type: GrantFiled: February 1, 2017Date of Patent: July 21, 2020Assignee: Nutanix, Inc.Inventors: Vishal Sinha, Richard James Sharpe, Kalpesh Ashok Bafna, Anil Kumar Gopalapura Venkatesh, Durga Mahesh Arikatla, Shyamsunder Prayagchand Rathi
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Publication number: 20200081704Abstract: A system may include a deployment system configured to receive a request to upgrade a selected virtual machine (VM) of multiple VMs on a plurality of host machines from a first program code version to a second program code version, and, for each host machine, request an upgrade token. When the host machine acquires the upgrade token, the deployment system is configured to generate a snapshot of a code image associated with the second program code version, and provide the snapshot to the host machine via a virtual disk. The snapshot is stored on a storage device associated with a host machine or a server host machine. The snapshot may include metadata identifying a location of the code image on the storage device.Type: ApplicationFiled: November 18, 2019Publication date: March 12, 2020Applicant: Nutanix, Inc.Inventors: Kalpesh Ashok Bafna, Aroosh Sohi, Alexander Michael Bunch
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Patent number: 10540165Abstract: In one embodiment, a system for managing a virtualization environment includes a set of host machines, each of which includes a hypervisor, virtual machines, and a virtual machine controller, one or more virtual disks comprising a plurality of storage devices and accessible by the virtual machine controllers, and a deployment system configured to receive a request to upgrade a virtualized file server on a plurality of host machines from a first program code version to a second program code version, and, for each host machine, request an upgrade token. When the host machine acquires the upgrade token, the deployment system is configured to generate a snapshot of a code image associated with the second program code version, and provide the snapshot to the host machine via the virtual disk. The virtual machine controller located on the host machine stores the snapshot on a storage device associated with the host machine.Type: GrantFiled: February 1, 2017Date of Patent: January 21, 2020Assignee: Nutanix, Inc.Inventors: Kalpesh Ashok Bafna, Aroosh Sohi, Alexander Michael Bunch
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Patent number: 10540164Abstract: In one embodiment, a system for managing a virtualization environment includes a set of host machines, each of which includes a hypervisor, virtual machines, and a virtual machine controller, one or more virtual disks comprising a plurality of storage devices, the one or more virtual disks being accessible by the virtual machine controllers, where the virtual machine controllers conduct I/O transactions with the virtual disks, and an upgrade system configured to receive a request to upgrade a virtualized file server on a plurality of host machines from a first program code version to a second program code version, for each host machine, generate a snapshot of a code image associated with the second program code version, and provide the snapshot to the host machine via the virtual disk. The virtual machine controller located on the host machine stores the snapshot on a first storage device associated with the host machine.Type: GrantFiled: February 1, 2017Date of Patent: January 21, 2020Assignee: Nutanix, Inc.Inventors: Kalpesh Ashok Bafna, Luong Ngo, Kavitha Pasikanti, Venkata Vamsi Krishna Kothuri, Mausumi Ranasingh
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Patent number: 10481894Abstract: In one embodiment, a system for managing a virtualization environment includes a set of host machines, each of which includes a hypervisor, virtual machines, and a virtual machine controller, one or more virtual disks comprising a plurality of storage devices, the one or more virtual disks being accessible by the virtual machine controllers, where the virtual machine controllers conduct I/O transactions with the virtual disks, and an upgrade system configured to receive a request to upgrade a virtualized file server on a plurality of host machines from a first program code version to a second program code version, for each host machine, generate a snapshot of a code image associated with the second program code version, and provide the snapshot to the host machine via the virtual disk. The virtual machine controller located on the host machine stores the snapshot on a first storage device associated with the host machine.Type: GrantFiled: February 1, 2017Date of Patent: November 19, 2019Assignee: Nutanix, Inc.Inventors: Kalpesh Ashok Bafna, Luong Ngo, Kavitha Pasikanti, Venkata Vamsi Krishna Kothuri, Mausumi Ranasingh
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Patent number: 10481895Abstract: In one embodiment, a system for managing a virtualization environment includes a set of host machines, each of which includes a hypervisor, virtual machines, and a virtual machine controller, one or more virtual disks comprising a plurality of storage devices and accessible by the virtual machine controllers, and a deployment system configured to receive a request to upgrade a virtualized file server on a plurality of host machines from a first program code version to a second program code version, and, for each host machine, request an upgrade token. When the host machine acquires the upgrade token, the deployment system is configured to generate a snapshot of a code image associated with the second program code version, and provide the snapshot to the host machine via the virtual disk. The virtual machine controller located on the host machine stores the snapshot on a storage device associated with the host machine.Type: GrantFiled: February 1, 2017Date of Patent: November 19, 2019Assignee: Nutanix, Inc.Inventors: Kalpesh Ashok Bafna, Aroosh Sohi, Alexander Michael Bunch
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Publication number: 20190079747Abstract: In one embodiment, a system for managing a virtualization environment comprises a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines and conducts I/O transactions with the one or more virtual disks, and a virtualized file server backup system configured to back up data stored in a VFS located a cluster of host machines to an object store, and retrieve the backed-up data as needed to restore the data in the VFS. The object store may be located in a public cloud. The object store may include a low-cost storage medium within the cluster. An FSVM of the VFS may provide an object store interface to low-cost storage media.Type: ApplicationFiled: October 15, 2018Publication date: March 14, 2019Applicant: Nutanix, Inc.Inventors: VISHAL SINHA, RICHARD JAMES SHARPE, KALPESH ASHOK BAFNA, ANIL KUMAR GOPALAPURA VENKATESH, DURGA MAHESH ARIKATLA, SHYAMSUNDER PRAYAGCHAND RATHI
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Publication number: 20190026101Abstract: In one embodiment, a system for managing a virtualization environment includes a set of host machines, each of which includes a hypervisor, virtual machines, and a virtual machine controller, and a first virtualized file server configured to receive a request to access a storage item located at a second virtualized file server, determine that the storage item is designated as being accessible by other virtualized file servers, identify an FSVM of the second virtualized file server at which the storage item is located, and forward the request to the FSVM of the second virtualized file server. The storage item may be designated as being accessible by other virtualized file servers when the storage item is associated with a predetermined tag value indicating that the storage item is shared among virtualized file servers. The predetermined tag value may be stored in a sharding map in association with the storage item.Type: ApplicationFiled: September 24, 2018Publication date: January 24, 2019Applicant: Nutanix, Inc.Inventors: Anil Kumar Gopalapura Venkatesh, Richard James Sharpe, Durga Mahesh Arikatla, Kalpesh Ashok Bafna, Devyani Suryakant Kanada
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Patent number: 10101989Abstract: In one embodiment, a system for managing a virtualization environment comprises a plurality of host machines, one or more virtual disks comprising a plurality of storage devices, a virtualized file server (VFS) comprising a plurality of file server virtual machines (FSVMs), wherein each of the FSVMs is running on one of the host machines and conducts I/O transactions with the one or more virtual disks, and a virtualized file server backup system configured to back up data stored in a VFS located a cluster of host machines to an object store, and retrieve the backed-up data as needed to restore the data in the VFS. The object store may be located in a public cloud. The object store may include a low-cost storage medium within the cluster. An FSVM of the VFS may provide an object store interface to low-cost storage media.Type: GrantFiled: February 2, 2017Date of Patent: October 16, 2018Assignee: Nutanix, Inc.Inventors: Vishal Sinha, Richard James Sharpe, Kalpesh Ashok Bafna, Anil Kumar Gopalapura Venkatesh, Durga Mahesh Arikatla, Shyamsunder Prayagchand Rathi
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Patent number: 10095506Abstract: In one embodiment, a system for managing a virtualization environment includes a set of host machines, each of which includes a hypervisor, virtual machines, and a virtual machine controller, and a first virtualized file server configured to receive a request to access a storage item located at a second virtualized file server, determine that the storage item is designated as being accessible by other virtualized file servers, identify an FSVM of the second virtualized file server at which the storage item is located, and forward the request to the FSVM of the second virtualized file server. The storage item may be designated as being accessible by other virtualized file servers when the storage item is associated with a predetermined tag value indicating that the storage item is shared among virtualized file servers. The predetermined tag value may be stored in a sharding map in association with the storage item.Type: GrantFiled: February 1, 2017Date of Patent: October 9, 2018Assignee: Nutanix, Inc.Inventors: Anil Kumar Gopalapura Venkatesh, Richard James Sharpe, Durga Mahesh Arikatla, Kalpesh Ashok Bafna, Devyani Suryakant Kanada
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Publication number: 20180159729Abstract: Examples of systems described herein include a file server virtual machine of a virtualized file server configured to communicate with a user virtual machine over a first virtual network to transfer data and to communicate with a controller virtual machine over a second virtual network to transfer control information.Type: ApplicationFiled: December 1, 2017Publication date: June 7, 2018Applicant: Nutanix, Inc.Inventors: Satyajit Sanjeev Deshmukh, Devyani Suryakant Kanada, Anil Kumar Gopalapura Venkatesh, Kalpesh Ashok Bafna, Rishabh Sharma, Mausumi Ranasingh, Simon Martin Mijolovic
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Publication number: 20180157677Abstract: Examples described herein include virtualized file servers which may include cloned instances of the virtualized file server. Cloning a virtualized file server may allow for testing of new and/or revised features, disaster recovery plans, or other configurations while maintaining availability of the parent (e.g., source) virtualized file server.Type: ApplicationFiled: December 6, 2017Publication date: June 7, 2018Applicant: Nutanix, Inc.Inventors: Kalpesh Ashok Bafna, Anil Kumar Gopalapura Venkatesh, Devyani Suryakant Kanada, Saurabh Tyagi, Vijaykumar Bellubbi, Mausumi Ranasingh, Rishabh Sharma
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Publication number: 20180157522Abstract: Examples described herein include virtualized environments including a virtualized file server. Examples of file server virtual machine managers are described which may setup and/or configure file server virtual machines in accordance with a target number of connections and/or a target throughput for the virtualized file server. The virtualized file server may be scaled up, scaled down, scaled in, and/or scaled out.Type: ApplicationFiled: December 6, 2017Publication date: June 7, 2018Applicant: Nutanix, Inc.Inventors: Kalpesh Ashok Bafna, Rishabh Sharma, Mausumi Ranasingh, Eric Wang, Kavitha Pasikanti, Ribao Wei, Anil Kumar Gopalapura Venkatesh, Satyajit Sanjeev Deshmukh, Sanika Nitin Mokashi, Manoj Premanand Naik, Yifeng Huang
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Publication number: 20180157561Abstract: Examples of systems described herein include a virtualized file servers. Examples of virtualized file servers described herein may support disaster recovery of the virtualized file server. Accordingly, examples of virtualized file servers may support metadata fixing procedures to update metadata in a recovery setting. Examples of virtualized file servers may support hypervisor-agnostic disaster recovery.Type: ApplicationFiled: December 5, 2017Publication date: June 7, 2018Applicant: Nutanix, Inc.Inventors: Anil Kumar Gopalapura Venkatesh, Devyani Suryakant Kanada, Kalpesh Ashok Bafna, Mausumi Ranasingh, Saurabh Tyagi, Vijaykumar Bellubbi