3.Offline: One or more disk failures force the array to go offline, so the system cannot access the array.

Task: Shows the RAID tasks being executed (Transform, Check, Check_Bitmap, Not active, Create, and Restore).

Priority: If any task is being executed, the priority of the task is shown.

Cache: Cache mode of the array in NC = No Cache, R = Read Cache, W = Write Back Cache and RW = Read/Write Cache.

Dst Spare: Showing whether the array is available with distributed spare.

Ded Spare: Showing whether the array is available with dedicated spare.

Array List Area: Details of each array are shown, including array disk and online RAID level migration.

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Advantech DNS-3200 user manual