Technical Knowledge Base

AMS 2x00 - LUNs Detached (Uncorrected)

Problem:

LUNs are showing a status of Detached (Uncorrected), customers data is inaccessible

Possible Causes:

  • Lost CACHE
  • Controller error during rebuild

Resolution:

  1. Start SNM2 CLI, this program is found in the installation folder of SNM2, it is a .bat file.
  2. List all the LUNs that can be parity corrected 
aulucorrect -unit <unit name> -lucorrectlist
  1. Correct those LUNs
aulucorrect -unit <unit name> -start

NOTE: This will start auto correcting all LUNs identified in the first command. For more specific and targeted commands view the PDF file linked below.

[[SNM2_CLI.pdf]]