HP XP External Storage Software User Guide (T1706-96018, November 2011)

Figure 61 Example of a NAS Blade system configuration that includes an external array
CAUTION: To stop the external array, execute the procedure according to the following
description. If you execute the wrong procedure, an error occurs in the NAS Blade system (for
example, the file system might be blocked or the resource group's status might become
inappropriate).
Stopping external arrays
1. Stop access from the client.
2. Stop the cluster using NAS Blade Manager.
3. Delete all XP Business Copy or XP Continuous Access pairs, if you created the pairs specifying
the external LU.
4. Stop NAS OS 1 (NAS channel adapter's OS) and NAS OS 2 using XP LUN Configuration
and Security Manager Software.
NOTE: The NAS OS can also be stopped from the SVP. To stop the NAS OS from the SVP,
contact your HP account support representative.
5. Disconnect the external array using XP External Storage. For instructions, see Disconnecting
external arrays or LUs.
6. Stop the external array. For instructions, see Restarting external arrays and restoring NAS
Blade systems.
Restarting external arrays and restoring NAS Blade systems
1. Turn the external array power supply on. For instructions, see Restarting external arrays and
restoring NAS Blade systems.
2. Confirm that the external array's status is normal.
120 Troubleshooting NAS Blade systems that include external arrays