During an AHV upgrade, a database VM automatically migrated to another host.

Addressing the customer’s concern regarding the potential storage performance impact after a VM migration, it’s important to note that Nutanix AHV includes intelligent scheduling mechanisms. AHV’s built-in scheduler automatically works to restore data locality after VM migrations. Data locality refers to the placement of data close to the VM consuming it, which optimizes read and write operations by reducing latency. After migration, the scheduler actively moves data to ensure it is close to its consuming VM, thereby minimizing any adverse impacts on storage performance.

References:

Nutanix AHV Administration Guide: Nutanix Documentation

Nutanix Data Locality Explanation and Benefits: Nutanix Portal