Rubrik. has been granted a patent for methods that enhance the performance of systems running virtual machines by reducing the performance impact during snapshot captures. The approach utilizes storage array snapshots to minimize the time virtual disks must be frozen, improving efficiency in data management. GlobalData’s report on Rubrik gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Rubrik, Cloud computing disaster recovery was a key innovation area identified from patents. Rubrik's grant share as of July 2024 was 62%. Grant share is based on the ratio of number of grants to total number of patents.
Improving virtual machine snapshot performance using storage array snapshots
The patent US12066904B2 outlines a method for managing virtual machine snapshots through a hypervisor and a storage array. The process begins with the hypervisor initiating a snapshot capture of a virtual machine at a specified time. Upon detecting a triggering condition—such as exceeding input/output rates, write command rates, or disk size thresholds—the system instructs the storage array to capture a snapshot of the virtual disks associated with the virtual machine. Notably, the hypervisor is released from the snapshot capture before its completion, allowing the storage array to take its snapshot independently. This method enables the acquisition of changed data blocks from the storage array snapshot, which are then transferred to a storage appliance.
The claims further detail various conditions for detecting the triggering event, including monitoring input/output rates and network bandwidth. The method also includes steps for setting the virtual disks into a frozen state to ensure data consistency during the snapshot process. Additionally, scripts are employed to quiesce applications running on the virtual disks before freezing them and to unfreeze them post-capture. The patent emphasizes the efficiency of this approach, as it allows for the management of data changes without waiting for the hypervisor to complete its snapshot capture, thereby optimizing data management and storage operations.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
