When the external storage system is HUS, AMS, or WMS, you can identify the controller (controller 0 or controller 1) from the port WWN.
The following table describes the relationship between the port WWN and the controller.
| Model | Controller | WWN of Port |
|---|---|---|
| AMS 200 WMS 100 |
Controller 0 | XXXXXXXXXXXXXXX0 |
| Controller 1 | XXXXXXXXXXXXXXX1 | |
| AMS 2100 AMS 2010 AMS 500 |
Controller 0 | XXXXXXXXXXXXXXX0 XXXXXXXXXXXXXXX1 |
| Controller 1 | XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 |
|
| HUS 110 HUS 130 AMS 2300 AMS 1000 |
Controller 0 | XXXXXXXXXXXXXXX0 XXXXXXXXXXXXXXX1 XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 |
| Controller 1 | XXXXXXXXXXXXXXX4 XXXXXXXXXXXXXXX5 XXXXXXXXXXXXXXX6 XXXXXXXXXXXXXXX7 |
|
| HUS 150 AMS 2500 |
Controller 0 | XXXXXXXXXXXXXXX0 XXXXXXXXXXXXXXX1 XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 XXXXXXXXXXXXXXX4 XXXXXXXXXXXXXXX5 XXXXXXXXXXXXXXX6 XXXXXXXXXXXXXXX7 |
| Controller 1 | XXXXXXXXXXXXXXX8 XXXXXXXXXXXXXXX9 XXXXXXXXXXXXXXXA XXXXXXXXXXXXXXXB XXXXXXXXXXXXXXXC XXXXXXXXXXXXXXXD XXXXXXXXXXXXXXXE XXXXXXXXXXXXXXXF |
|
| Note: In WWNs, "X" is an arbitrary number or character. The ports in a physical storage system have the identical value. | ||
When the model of HUS/AMS/WMS storage system is changed, the WWN of the port is changed as well. If the HUS/AMS/WMS storage system is used as an external storage system, the mapped external path might be blocked. To correct this problem, you can delete the mapping of the external path and remap it to use the blocked external path. See Requirements for external storage system maintenance for detailed information on remapping.
Identifying logical volumes using Volume Properties
The Volume Properties value is the internal LUN number of the LUNS from the AMS/WMS.
Caution on using the power savings option
When an HUS 150, HUS 130, HUS 110, AMS 2500, AMS 2300, AMS 2100, or AMS 2010 storage system is connected as an external system with the Power Savings option is enabled, do not access external volumes from a host if the external volumes are spinning down. This prevents the external volume status from changing to Blockade.
If external volume status changes to Blockade, the volume is automatically restored in several hours. You can also manually restore the external volumes by reconnecting the external volume.