Thecus N16000 Series User Manual page 68

You will then see the dialog box displayed below. Drag the Expand Capacity bar to
the size you want. Then press Expand to confirm the operation.
NOTE
Delete Volume
To delete volume on the current RAID volume, follow the steps below:
1. Under the Volume Allocation List, click Delete.
The Space Allocation screen appears.
The iSCSI expand is only capable while iSCSI
target volume is crested by "Instant Allocation".
Created by "Thin Provisioning" has virtual space
assigned in initial stage, so it has no expand
capability.
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