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Assisted migration - In the background, the system periodically monitors storage resource utilization across the appliances. Migration recommendations are generated based on factors such as drive wear, appliance capacity, and health. If you accept a migration recommendation, a migration session gets automatically created.

In this scenario, the customer wants to test their disaster recovery plan and wants all applications to failover to the disaster recovery site. To accomplish this, the technical architect should use the planned failover option from the source site, the primary site. This will allow the customer to test their disaster recovery plan and ensure that all applications can be successfully failed over to the disaster recovery site. It's important to note that if the customer wants to failover to the disaster recovery site for maintenance and after that fail back to the primary site, the planned failover should be run from the target site.

Dell Unity XT systems does not support mixing different drive types in the same RAID group. Adding larger drives to an existing RAID group with smaller drives will cause the operation to fail. The administrator should create a new RAID group with the larger drives and then copy the data from the old RAID group to the new one.