Chapter 8. Configuring Units134 3ware Serial ATA RAID Controller User Guide5 If you are working with a Linux system, install the 9550SX, 9590SE, or9650SE controller.6 Attach the drives that were on the to the 9500S to the 9550SX, 9590SE, or9650SE controller.7 Power up the computer and verify that the upgrade is complete. (Theexisting units should be available for use.)To move a secondary storage unit from a 9500S to a 9550SX,9590SE, or 9650SE controller1 Power down the computer.2 Remove the 9500S controller.3 Install the 9550SX, 9590SE, or 9650SE controller in the computer.4 Attach the drives that were on the 9500S to the 9550SX, 9590SE, or9650SE.5 Boot to the operating system.6 Install the driver for the 9550SX, 9590SE, or 9650SE.If you are using Linux, you may also need to update the initial RAM diskwith the mkinitrd command.7 Reboot if you are prompted to do so by the operating system.Some operating systems (for example, Windows 2003) will allow theunit(s) attached to the controller to be used at this point without anadditional reboot.Adding a DriveIf you have a hot-swap carrier, you can add a drive to your system and make itavailable through 3DM without powering down the system.Without hot swap carriers, you should not add a drive via 3DM. Instead,power down the system and add the applicable drives.Warning: Physically adding a drive without a hotswap carrier and withoutpowering down your system can result in a system hang or may even damage thesystem and the drive.