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{{tag>cheatsheet 3ware twcli raid controller cli raidcontroller}}
====== 3Ware tw_cli Cheat Sheet ======

===== Sources =====
  * https://www.sysadminslife.com/linux/howto-3ware-raid-status-anzeigen-und-festplatte-tauschen-mit-tw_cli/
  * https://www.thomas-krenn.com/de/wiki/3Ware_CLI_Einf%C3%BChrung
  * https://www.thomas-krenn.com/de/wiki/RAID_Status_abfragen#3ware
  * [[https://wiki.nanoscopic.de/html/tw_cli.html|tw_cli man page]] (local copy)
  * https://getmoven.com/index.php/knowledgebase/43/tw_cli-3ware-Command-Line-Utility.html

===== where it actually is =====
/opt/3ware/CLI/tw_cli

===== HowTo =====
create RAID5 with disks 0-4                                                                                             
<sxh bash; gutter: false>/c0 add type=raid5 disk=0-4</sxh>

create RAID5 with disks 0-4, with name "data", "autoverify" set to "on", "Storesafe" set to "performance"
<sxh bash; gutter: false>/c0 add type=raid5 disk=0-4 name=Data autoverify storsave=perform</sxh>

add a hot spare to a controller (must have at least the same capacity as the biggest disk connected to the controller)
<sxh bash; gutter: false>/cx add type=spare disk=x</sxh>

show basic info about the controller, connected disks and BBU
<sxh bash; gutter: false>/c0 show</sxh>

display information about a specific unit                                                                               
<sxh bash; gutter: false>/c0/u0 show</sxh>

display alarm messages                                                                                                  
<sxh bash; gutter: false>/c0 show alarms</sxh>

prints diagnostic information and writes it to a file
<sxh bash; gutter: false>tw_cli /c0 show diag > diag.txt</sxh>

displays list of available commands                                                                                     
<sxh bash; gutter: false>
help
/c0 help
/c0/u0 help
quit
</sxh>