Active-active design and automatic failover/failback mechanism provide high service availability and support non-disruptive firmware upgrades. The structure also doubles the host bandwidth and cache-hit ratio, utilizing both controllers for avoiding idle resources within the system.

QAuth grants different users the appropriate permission through access right control. We predefine some roles and assign corresponding management storage permissions. There are also user-defined custom groups. QAuth feature combines easy management and information security from unauthorized access.