Thecus N8800SAS User Manual page 55

Remove RAID
Click to remove the RAID volume. All user data and iSCSI has been created in
selected RAID volume will be removed.
To remove a RAID volume, follow the steps below:
1. On the RAID List screen, select the RAID volume by clicking on its radio
button, and click RAID Information to open the RAID Configuration
screen.
2. On the RAID Configuration screen, click Remove RAID.
3. The confirmation screen appear, you will have to input "Yes" with exactly
wording case to complete "Remove RAID" operation
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