Chapter 8. Configuring Units
130 3ware Serial ATA RAID Controller User Guide
To add a drive
1 Insert the drive into the hot-swap carrier or into your 3ware Sidecar.
2 In 3DM, choose
Management > Maintenance.
3 On the Maintenance page, click Rescan Controller.
The drive will appear in the list of available drives. You can now use it in
a new RAID configuration, as part of an existing configuration, or as a
replacement drive in the event that another drive degrades.
If you want to use this drive as a spare, see “Creating a Hot Spare” on
page 103.
Removing a Drive
If you have a hot-swap carrier or 3ware Sidecar and want to physically
remove a drive from your system without powering it down, you should first
remove it through the 3ware software.
This is useful if you know that a drive is developing a problem and you want
to replace it, or to replace a drive which has already failed.
Note: When you add a drive to your system and connect it to the controller, it is
automatically detected and listed in 3DM. If it does not immediately display, or if it is
part of a unit, you can use the rescan feature, as described below.
Warnings:
Physically removing a drive that is not in a hot swap carrier or that is part of a non-
redundant unit, can result in a system hang or may even damage the system and
the drive.
The steps below will destroy any information that identifies this drive as part of a
RAID unit.
Existing data on this drive will no longer be available.
Notes:
If you want to remove a unit from your system and reassemble it in another system,
do not follow these steps. Instead, turn to “Removing a Unit” on page 123.
If you physically remove a drive on a controller without first removing it in 3DM, it will
be listed as removed, however it will not be completely removed unless you Rescan
the controller.
Drives that are part of a non-redundant or degraded unit cannot be removed.
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