tw_cli is a CLI (command line) tool to manage your hardware raid for 3ware RAID controllers from within linux.
You can download it directly from 1 of our mirrors.
Make sure you are logged in as root and execute the following command to download it:
# wget http://mirror.global-layer.com/files/tw_cli.zip
Once you have downloaded it, all you need to do is unzip it:
# unzip tw_cli.zip
You can now use the tool to manage your hardware RAID.