Enhanced Cloud VM backup performance with multi-stream (parallel read) support
NetBackup 11.1 introduces multi-stream or parallel read support for Cloud VM backups, significantly improving performance for large virtual machines. With this enhancement, each virtual disk is backed up through an individual, parallel job, allowing multiple disks to be read and transferred simultaneously. All disk-level jobs are managed under a single parent job and run independently, ensuring faster backup completion and greater resiliency - if one disk job fails, it can be retried separately without affecting other running jobs for the same VM.
With NetBackup 11.1, multi-stream Cloud VM protection is enabled by default. If the NetBackup primary server is upgraded and Cloud VM protection was previously configured, the Media Servers and NetBackup Snapshot Manager must also be upgraded to ensure compatibility.
For more information, refer to the NetBackup Snapshot Manager for Cloud Install and Upgrade Guide.