公开(公告)号：US20200265024A1

公开(公告)日：2020-08-20

申请号：US16797456

申请日：2020-02-21

Applicant: Commvault Systems, Inc.

Inventor： Rahul S. Pawar ,  Ashwin Gautamchand Sancheti ,  Henry Wallace Dornemann

IPC: G06F16/21

Abstract: A data storage system backs up or protects virtual machines. For instance, the system identifies the different virtual machines executing in the system and provides a number of factors that can be used to create a backup policy. The system further creates specific rules for virtual machine backup policies using a user interface with drop down boxes of relevant criteria and Boolean operators. A preview of included virtual machines allows the rule to be refined. Particular virtual machines can be excluded during the preview. The system further dynamically updates the list of virtual machines satisfying the rules at time of backup.

公开(公告)号：US10747630B2

公开(公告)日：2020-08-18

申请号：US15716391

申请日：2017-09-26

Applicant: Commvault Systems, Inc.

Inventor： Santhosh Sanakkayala ,  Sarath Cheriyan Joseph ,  Ananda Venkatesha ,  Rajesh Polimera ,  Rahul S. Pawar ,  Henry Wallace Dornemann

IPC: G06F11/00 ,  G06F11/20 ,  G06F9/455 ,  G06F11/14 ,  G06F11/30 ,  H04L12/26 ,  G06F11/34 ,  H04L12/24 ,  G06F11/07

Abstract: An illustrative “VM heartbeat monitoring network” of heartbeat monitor nodes monitors target VMs in a data storage management system. Accordingly, target VMs are distributed and re-distributed among illustrative worker monitor nodes according to preferences in an illustrative VM distribution logic. Worker heartbeat monitor nodes use an illustrative ping monitoring logic to transmit special-purpose heartbeat packets to respective target VMs and to track ping responses. If a target VM is ultimately confirmed failed by its worker monitor node, an illustrative master monitor node triggers an enhanced storage manager to initiate failover for the failed VM. The enhanced storage manager communicates with the heartbeat monitor nodes and also manages VM failovers and other storage management operations in the system. Special features for cloud-to-cloud failover scenarios enable a VM in a first region of a public cloud to fail over to a second region.

公开(公告)号：US10437505B2

公开(公告)日：2019-10-08

申请号：US15895226

申请日：2018-02-13

Applicant: Commvault Systems, Inc.

Inventor： Henry Wallace Dornemann ,  Rahul S. Pawar ,  Paramasivam Kumarasamy ,  Satish Chandra Kilaru ,  Ananda Venkatesha

IPC: G06F9/44 ,  G06F3/06 ,  G06F9/455 ,  G06F11/14

Abstract: Systems and methods enable a virtual machine, including applications executing thereon, to quickly start executing and servicing users based on pre-staged data blocks supplied from a backup copy in secondary storage. Substantially concurrently with the ongoing execution of the virtual machine, a virtual-machine-file-relocation operation moves data blocks from backup to a primary storage destination that becomes the virtual machine's primary data store after relocation completes. An enhanced data agent, operating in conjunction with an enhanced media agent in a storage management system, coordinates restoring the virtual machine and launching the relocation operation. The enhanced media agent pre-stages certain backed up data blocks based on predictive analysis pertaining to the virtual machine's operational profile. The enhanced media agent also pre-stages backed up data blocks for the relocation operation, based on the operation's relocation scheme. The media agent tracks read requests and maintains the contents of an associated read cache.

公开(公告)号：US20190227832A1

公开(公告)日：2019-07-25

申请号：US16371412

申请日：2019-04-01

Applicant: Commvault Systems, Inc.

Inventor： Henry Wallace Dornemann ,  Rahul S. Pawar ,  Amit Mitkar ,  Sunil Kumar Gutta ,  Sumedh Pramod Degaonkar ,  Jianwei Chen

IPC: G06F9/455 ,  G06F11/14 ,  G06F3/06

CPC classification number: G06F9/45558 ,  G06F3/065 ,  G06F11/1438 ,  G06F11/1469 ,  G06F11/1484 ,  G06F2009/45583

Abstract: Hypervisor-independent block-level live browse is used for directly accessing backed up virtual machine (VM) data. Hypervisor-free file-level recovery (block-level pseudo-mount) from backed up VMs also is disclosed. Backed up virtual machine (“VM”) data can be browsed without needing or using a hypervisor. Individual backed up VM files can be requested and restored to anywhere without a hypervisor and without the need to restore the rest of the backed up virtual disk. Hypervisor-agnostic VM backups can be browsed and recovered without a hypervisor and from anywhere, and individual backed up VM files can be restored to anywhere, e.g., to a different VM platform, to a non-VM environment, without restoring an entire virtual disk, and without a recovery data agent at the destination.

公开(公告)号：US20190138342A1

公开(公告)日：2019-05-09

申请号：US16234987

申请日：2018-12-28

Applicant: Commvault Systems, Inc.

Inventor： Henry Wallace Dornemann ,  Ajay Venkat Nagrale ,  Rahul S. Pawar ,  Ananda Venkatesha

IPC: G06F9/455 ,  G06F11/20 ,  G06F11/14

Abstract: An illustrative “Live Synchronization” feature in a data storage management system can reduce the downtime that arises in failover situations. The illustrative Live Sync embodiment uses backup data to create and maintain a ready (or “warm”) virtualized computing platform comprising one or more virtual machines (“VMs”) that are configured and ready to be activated and take over data processing from another data processing platform operating in the production environment. The “warm” computing platform awaits activation as a failover solution for the production system(s) and can be co-located at the production data center, or configured at a remote or disaster recovery site, which in some embodiments is configured “in the cloud.” Both local and remote illustrative embodiments are discussed herein. An “incremental forever” approach can be combined with deduplication and synthetic full backups to speed up data transfer and update the disaster recovery sites.

公开(公告)号：US10191819B2

公开(公告)日：2019-01-29

申请号：US15473256

申请日：2017-03-29

Applicant: Commvault Systems, Inc.

Inventor： Henry Wallace Dornemann ,  Rahul S. Pawar ,  Jun H. Ahn

IPC: G06F17/30 ,  G06F11/14 ,  G06F3/06

Abstract: A system according to certain aspects may include a client computing device including: a database application configured to output a database file in a primary storage device(s), the database application outputting the database file as a series of application-level blocks; and a data agent configured to divide the database file into a plurality of first blocks having a first granularity larger than a second granularity of the application-level blocks such that each of the first blocks spans a plurality of the application-level blocks. The system may include a secondary storage controller computer(s) configured to: in response to instructions to create a secondary copy of the database file: copy the plurality of first blocks to a secondary storage device(s) to create a secondary copy of the database file; and create a table that provides a mapping between the copied plurality of first blocks and corresponding locations on the secondary storage device(s).

公开(公告)号：US10168929B2

公开(公告)日：2019-01-01

申请号：US15705629

申请日：2017-09-15

Applicant: Commvault Systems, Inc.

Inventor： Sri Karthik Bhagi ,  Sunil Kumar Gutta ,  Vijay H. Agrawal ,  Rahul S. Pawar

IPC: G06F3/06 ,  G06F11/00 ,  G06F11/14

Abstract: Systems and methods for performing file-level restore operations for block-level data volumes are described. In some embodiments, the systems and methods restore data from a block-level data volume contained in secondary storage by receiving a request to restore one or more files from the block-level data volume, mounting a virtual GUID Partition Table (GPT) disk to the block-level data volume, accessing one or more mount paths established by the virtual GPT disk between the data agent and the block-level data volume, and browsing data from one or more files within the block-level data volume via the established one or more mount paths provided by the virtual GPT disk.

公开(公告)号：US10108652B2

公开(公告)日：2018-10-23

申请号：US15197297

申请日：2016-06-29

Applicant: Commvault Systems, Inc.

Inventor： Paramasivam Kumarasamy ,  Rahul S. Pawar ,  Amit Mitkar ,  Satish Chandra Kilaru

IPC: G06F7/00 ,  G06F17/00 ,  G06F17/30 ,  G06F11/14 ,  G06F9/455

Abstract: A data storage system protects virtual machines using block-level backup operations and restores the data at a file level. The system accesses the virtual machine file information from the file allocation table of the host system underlying the virtualization layer. A file index associates this virtual machine file information with the related protected blocks in a secondary storage device during the block-level backup. Using the file index, the system can identify the specific blocks in the secondary storage device associated with a selected restore file. As a result, file level granularity for restore operations is possible for virtual machine data protected by block-level backup operations without restoring more than the selected file blocks from the block-level backup data.

公开(公告)号：US20180254951A1

公开(公告)日：2018-09-06

申请号：US15973437

申请日：2018-05-07

Applicant: Commvault Systems, Inc.

Inventor： Paramasivam Kumarasamy ,  Rahul S. Pawar ,  Amit Mitkar ,  Sumedh Pramod Degaonkar

IPC: H04L12/24 ,  H04L29/08 ,  G06F9/50 ,  G06F9/48 ,  G06F15/177

CPC classification number: H04L41/0816 ,  G06F9/4856 ,  G06F9/5077 ,  G06F15/177 ,  H04L67/06 ,  H04L67/34

Abstract: Software, firmware, and systems are described herein that migrate functionality of a source physical computing device to a destination physical computing device. A non-production copy of data associated with a source physical computing device is created. A configuration of the source physical computing device is determined. A configuration for a destination physical computing device is determined based at least in part on the configuration of the source physical computing device. The destination physical computing device is provided access to data and metadata associated with the source physical computing device using the non-production copy of data associated with the source physical computing device.

公开(公告)号：US09996287B2

公开(公告)日：2018-06-12

申请号：US15394556

申请日：2016-12-29

Applicant: Commvault Systems, Inc.

Inventor： Henry Wallace Dornemann ,  Rahul S. Pawar

IPC: G06F3/06 ,  G06F11/14 ,  G06F9/455

CPC classification number: G06F3/0619 ,  G06F3/065 ,  G06F3/067 ,  G06F9/45558 ,  G06F11/00 ,  G06F11/1435 ,  G06F11/1446 ,  G06F11/1448 ,  G06F11/1451 ,  G06F11/1464 ,  G06F17/30233 ,  G06F2009/4557 ,  G06F2009/45579 ,  G06F2009/45583 ,  G06F2201/84

Abstract: According to certain aspects, a system includes a client device that includes a virtual machine (VM) executed by a hypervisor, a driver located within the hypervisor, and a data agent. The VM may include a virtual hard disk file and a change block bitmap file. The driver may intercept a first write operation generated by the VM to store data in a first sector, determine an identity of the first sector based on the intercepted write operation, determine an entry in the change block bitmap file that corresponds with the first sector, and modify the entry in the change block bitmap file to indicate that data in the first sector has changed. The data agent may generate an incremental backup of the VM based on the change block bitmap file in response to an instruction from a storage manager, where the incremental backup includes the data in the first sector.