If Both Nodes Use The Same External Array - HP StorageWorks XP12000 User Manual

Figure 64 Error occurs on the path to the external array used for node 1
1. Restore (for example, check the cable's connection status or change the switch) the status of the
error path between the local array and external array 1.
2. Execute the Check Paths & Restore Vol. command using External Storage XP. For instructions, see
Checking the connection status and resuming external LU operations (Check Paths & Restore
Vol.).
3. Perform a forced stop operation using NAS Blade Manager for resource group 1, which displays
the status as an srmd executable error.
4. Stop node 1 using NAS Blade Manager.
5. Restart NAS OS 1 (NAS channel adapter's OS) using LUN Manager or NAS Blade Manager.
6. Start node 1 using NAS Blade Manager.
7. To release the blocked status of node 2's file system, perform the following operations:
a. Change resource group 2's execution node to node 1 using NAS Blade Manager (failover).
b. Restart NAS OS 2 (NAS channel adapter's) using LUN Manager or NAS Blade Manager.
c. Change resource group 2's execution node to node 2 (failback).
8. Start resource group 1 on node 1 using NAS Blade Manager.

If both nodes use the same external array

In the configuration in
array. Only one external array is connected to the local array. Also, only one path is set between
142 Troubleshooting NAS Blade systems that include external arrays
Figure 65, all of the NAS Blade system's user LUs are volumes in the external