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tw_cli

tw_cli is the CLI for monitoring and maintaining 3ware RAID controllers. It can be used for all maintenance operations that can be performed through the 3dmd daemon or the system BIOS.

Checking the status of controller, array or disk

info

  list controllers in the machine

info c1

  list the disks on controller 1 and their grouping into RAID arrays

info c1 u2

  list the disks in RAID unit 2 and their status within the array. Useful to find out which disk is bad in a DEGRADED array.

info c1 p2

  list the status of an individual disk

info c1 diag

  for experts: show low-level error log output for the controller