Lightning 9900

External device setting changed

• LU path settings can be changed by using LUN Manager. Either change the settings back to the values used when the volume was mapped, or use Universal Volume Manager software to delete LU and then add LU.

Illegal request or Response error

The volume might be set for a data copy pair. Make sure that the volume is not set as a HOMRCF or HORC pair. If it is set, the volume might be protected. If it is protected, change the pair status or delete the pair.

Cannot detect port

• There is a problem with connection to the external storage system. The possible causes are:

  - Cable connection. Make sure the cable is connected correctly.

  - Port settings. The topology settings of the external port and the target port might not match. Use LUN Manager to make sure that the ports are set properly.

  - Switch settings. If the external storage system is connected through switches, make sure that the switch settings are correct.

• LUN security might have been set. If so, check whether the LUN security setting is correct.