168 3ware Serial ATA RAID Controller User Guide10Maintaining Your ControllerThis section contains instructions for how to perform tasks that help youmaintain your controller, including:• Determining the Current Version of Your 3ware Driver• Updating the Driver and Firmware• Viewing Battery Information• Testing Battery CapacityDetermining the Current Version of Your3ware DriverYou can view controller and driver information in several different ways:• Using 3DM 2 you can see both the driver and firmware versions (see the“Controller Summary page” on page 190)• Using 3BM you can see the firmware version (see “Displaying ControllerInformation” on page 65)• Using the CLI you can see both the driver and firmware versions (see3ware Serial ATA RAID Controller CLI Guide)Under Linux, you can also type the following command if you have a 2.4kernel or earlier:cat /proc/scsi/3w-9xxx/0*where the asterisk (*) represents controller number and “9xxx” represents theversion of the controller. For example:cat /proc/scsi/3w-9xxx/0If you have a 2.6 kernels with sysfs, type the following command:cat /sys/class/scsi_host//statswhere is usually host0, unless other SCSI devices are available, inwhich case it may be host1 or higher.