The following diagram illustrates how data flows within the Druva setup at the time of hot restore.
Druva Cloud initiates the restore request and forwards it to the Hybrid Workloads agent.
Note: If the connection to CloudCache is interrupted at the time of a backup, the Hybrid Workloads agent backs up data directly to the Druva Cloud. Since the deduplication data is available on the Druva Cloud, Hybrid Workloads agent requires a connection to Druva Cloud and CloudCache to restore data. Ensure that the Hybrid Workloads agent can connect to Druva Cloud and CloudCache.
During a CloudCache disconnection, if a few data blocks remain in CloudCache and are not fully transferred/flushed to the Cloud, any attempts to restore a warm snapshot will fail.