Avago Technologies 3ware 9650SE-12ML (Channel) - Manual (Page 156)

Configuring Units
144 3ware SAS/SATA RAID Software User Guide, Version 9.5.1
To remove a drive
1 In 3DM, choose Management > Maintenance .
On the Maintenance page, Remove Drive links appear next to all drives
that can be removed from units, and next to drives in the Available Drives
list.
2 Locate the drive you want to remove and click the Remove Drive link
(Figure ).
3 When 3DM asks you to confirm that you want to remove the drive, click
OK .
You can now remove the drive from your system.
If you removed a drive that was part of a unit, the unit will become
degraded, as shown in (Figure 60).
Figure 60. Result of Removing Drive from Unit in 3DM