HP XP External Storage Software - Manual (Page 36)

CAUTION:
Make sure that the power supply of the local array is completely off and then go on to the next step.
5. Turn off the power supply of the external array.
CAUTION:
Make sure that the power supply of the external array is completely off.
To turn ON the power supply of both arrays :
1. Turn on the power supply of the external array.
CAUTION:
Make sure that the power supply of the external array is completely on and then go on to the next
step.
2. Turn on the power supply of the local array.
CAUTION:
Make sure that the power supply of the local array is completely on and then go on to the next step.
3. Resynchronize all HP StorageWorks Business Copy pairs (pairresync operations). For details on
the pairresync operation, refer to HP StorageWorks Business Copy User’s Guide.
4. If you use NAS, start the NAS Blade system. For details on how to start the NAS Blade system,
see
Troubleshooting NAS Blade systems that include external arrays .
5. Start the read or write I/Os to the local array.
Using mapped external LUs from the host connected to the
local array
The following sections describe examples of using the mapped external LU from the host connected
the local array.
Writing new data to mapped external LUs
Figure 9 shows an example of writing new data in the mapped external LU from the host connected
to the local array.
1. Use the External Storage XP GUI to map the LU in the external array as an internal LDEV of the
local array.
Preparing for External Storage XP operations 36