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Auto Recovery of Virtual Machines

Using Virtualization, you can configure virtual machines (VMs) or instances for replication to one or more secondary sites and configure recovery groups for Commvault Auto Recovery. Auto Recovery uses backups of primary VMs to create destination VMs and keeps destination VMs updated using continued incremental backups. Auto Recovery was formerly referred to as Disaster Recovery and Live Sync.

The Commvault software includes multiple auto recovery solutions. Choose the solution that most closely fits your needs based on your environment.

Solution

When to use

Orchestrated Recovery

  • This solution orchestrates one-click recovery of virtual machines using existing backups.

  • Applies to scenarios when you want to quickly recover VMs from backups.

  • The RPO that this solution uses is the frequency at which the backups are created.

Periodic Replication

  • This solution periodically creates and replicates new backups based on the frequency selected when creating a recovery group.

  • You can orchestrate one-click recovery using the newly created and replicated backups. Applies to scenarios when you want to protect and recover VMs with reduced RPO at a higher frequency than compared to backup frequency.

  • The RPO that this solution uses is >15 minutes and is specified at the time of creating a recovery group.

Recovery Options

The table below explains how to choose a DR site for Auto Recovery.

DR site Recovery options
Cloud Hot site recovery: A normal AUX copy process transfers data from the primary storage to a secondary storage copy near the DR site. As each backup arrives, the system creates and updates virtual DR disks, ensuring they remain synchronized with production. During failover, new VMs are spun up in the cloud, and these pre-created DR disks are attached, enabling rapid recovery.

Warm site recovery: A normal AUX copy process transfers data from the primary storage to a secondary storage copy near the DR site, but no DR disks or VMs are pre-created. When failover is initiated, DR disks and VMs are created using the latest data. This approach reduces operational cost but increases the recovery time objective.
On-premises Hot site recovery: A normal AUX copy process transfers data from the primary storage to a secondary storage copy near the DR site. As each backup arrives, the system creates and updates virtual DR disks and VMs, ensuring they remain synchronized with production. VMs are provisioned but remain idle. During failover, these VMs are turned on, enabling rapid recovery.

Warm site recovery: A normal AUX copy process transfers data from the primary storage to a secondary storage copy near the DR site, but no DR disks or VMs are pre-created. When failover is initiated, DR disks and VMs are created using the latest data. This approach reduces operational cost but increases the recovery time objective.
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