HP XP Data Shredder Software - Manual (Page 122)

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 Business Copy XP or Continuous Access XP 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 LUN Manager.
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 External Storage XP. For instructions, see Disconnecting external
arrays or LUs .
6. Stop the external array. For instructions, see Topowerexternalarraysoff .
Restarting external arrays and restoring NAS Blade systems
1. Turn the external array power supply on. For instructions, see Topowerexternalarrayson .
122 Troubleshooting NAS Blade systems that include external arrays