HP XP Racks - Manual (Page 39)

14. In Cache Mode, click Enable to propagate write data asynchronously from cache to the external
storage system. Click Disable to propagate data synchronously.
•
If you specify Disable, the Cache Residency bind mode cannot be set.
•
When the external volume is a command device, Cache Mode for the remote command
device is automatically set to Disable regardless of your setting.
•
Data that is not written by the host (for example, data written by pair operation) is
asynchronously destaged to the external storage system regardless of the Cache Mode
setting.
15. In Inflow Control, click Enable to limit or prevent write data from being written to cache memory
when the write operation to the external volume cannot be performed. Click Disable to allow
write data to be written to cache.
16. In MP Blade, select the MP blade for the external volume. MP blade assignment should evenly
distribute work across the available processors.
The range is from MPB0 to MPB7. The value depends on the configuration of the device.
Select Auto (the default) to cause an MP blade to be automatically assigned by the system. If
Auto cannot be selected, the MP blade with the lowest number is selected by default.
17. Click Add.
18. If you need to change the added volume’s settings, in the Selected External Volumes list click
the volume, click Change Settings, make necessary changes, and click OK.
19. To to add LUN paths, click Next in the Add External Volumes window. See the HP XP7
Provisioning for Open Systems User Guide for information.
20. Click Finish when ready.
21. In the Confirm window, check all settings, accept or enter a new task name.
When you select the external volume and click LDEV Detail, the External LDEV Properties
window is displayed for you to check the LDEV information.
22. In the Confirm window, click Apply.
Related Topics
•
“Add External Volumes wizard ” (page 109)
•
“Create External Path Group window” (page 136)
•
“Change Settings window” (page 138)
•
“View External LUN Properties window” (page 139)
•
“External LDEV Properties window” (page 147)
•
“Discovery Result Detail window” (page 148)
•
Table 3 (page 95)
•
View SSIDs in the HP XP7 Provisioning for Open Systems User Guide or the HP XP7 Provisioning
for Mainframe Systems User Guide
•
Edit SSIDs in the HP XP7 Provisioning for Open Systems User Guide or the HP XP7 Provisioning
for Mainframe Systems User Guide
Preparing mapped volumes for use
After external volumes are mapped to the local storage system, you can take the following steps
to prepare the volumes for use.
Preparing mapped volumes for use 39