HP StorageWorks XP Remote Web Console Software - Manual (Page 134)

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 .
Troubleshooting NAS Blade systems that include external arrays 134