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Chapter 5. Configuring Units
56 3ware Serial ATA RAID Controller User Guide for the Power Mac G5
Figure 24. Unit Successfully Deleted through 3DM
Removing a Unit
Removing a unit allows you to safely remove drives from a controller in order
to move the unit to another controller or to store the drives for safekeeping
purposes. This process is sometimes referred to as “array roaming.”
When you remove a unit (in contrast to deleting a unit), information about the
unit remains intact on the drives. This allows the drives to be reassembled into
a unit again on this controller, or if moved to another controller.
To remove a unit through 3DM
1 Make sure the operating system is not accessing the unit you want to
remove.
For example, make sure you are not copying files to the unit, and make
sure that there are no applications with open files on that unit.
2 Unmount the unit.
Warning: It is important to remove the unit through software, before removing it
physically. Failure to do so could result in a system crash or hang and may even
corrupt the data and the unit configuration from being reassembled later.
Note: You can also remove a drive, if you want to force a degrade on a redundant
unit, or if you want to remove a drive from the “Available Drives” list so that you can
then remove it from the system. For more information, see “Removing a Drive” on
page 58.