TW_CLI is a CLI tool for 3Ware RAID cards configuration. It provides in-depth control, various RAID configurations, monitoring and general tweaking of the present devices.
The following are a few examples of some useful commands.
You can either invoke the tool by 1. inserting tw_cli followed by enter or 2. run the commands directly by including the tw_cli as the first argument.
- tw_cli > Enter > //hostname > show.
- tw_cli show > output on new line.
* Show controller details and configuration
tw_cli help
* List controllers
tw_cli show Ctl Model (V)Ports Drives Units NotOpt RRate VRate BBU ------------------------------------------------------------------------ c0 9750-4i 36 36 4 0 1 1 OK
* Show controller and configuration info
tw_cli info c0
* Remove drive from configuration
tw_cli maint remove c0 p0
* Rescan devices
tw_cli maint rescan c0
* Export disk
tw_cli /c0/p0 export
* Send rebuild request
maint rebuild c0 u1 p0
* Delete unit
tw_cli maint deleteunit c0 u1
* Add disk as spare
tw_cli /c0 add raidtype=spare disk=2
* Create a new RAID
tw_cli maint createunit c0 rraid1
* Create a new RAID 6 with a selection of disks
tw_cli maint createunit c0 rraid6 p01:5-30
* : is used as comma , – as interval
There are plenty more commands available , these are the basic essentials.
Enjoy!
