Placing Ldevs Into Cache - HPE XP7 User Manual

Related topics
"Cache Residency window" (page 236)
"Multi Set dialog box" (page 240)

Placing LDEVs into cache

This procedure places all data on one or more LDEVs into Cache Residency cache.
Prerequisites
Required role: Storage Administrator (System Resource Management)
You must enable the Remote Web Console secondary window. For details, see the XP7
Remote Web Console User Guide.
Procedure
1. Open the Cache Residency window.
In Command View Advanced Edition:
1. On the Resources tab, expand the Storage Systems tree, right-click the target storage
system, and then select Other Functions.
2. In the displayed window, select Actions > Other Function > Cache Residency.
In Remote Web Console:
1. Click Actions > Other Function> Cache Residency to open the Cache Residency
window.
2. Click
3. In the Cache Residency window, select the desired CLPR from the CLPR list.
4. In the CU:LDEV tree, select the LDKC and the CU containing the desired LDEV, and then
select the desired LDEV.
The LDEV information table shows the information for the selected LDEV. A dash (-) in the
Mode column indicates an area not already allocated to Cache Residency cache.
5. In the Cache Residency window, select desired options:
1. In the Cache Residency Mode box, select the desired mode (Bind or Priority).
2. Select the desired Prestaging Mode setting (Yes or No). To set the prestaging function,
the Prestaging check box must already be selected.
3. Check the Select All Area box. Leave the Start and End fields blank.
CAUTION:
changed after a cache area is added. To change between bind and priority modes, or
to enable and disable the prestaging function, you must release the cache area that
you want to change and then place the data back into cache with the desired settings.
6. If you do not want to apply the same options to any other LDEVs, make sure that the Multi
Set / Release box is not checked, click Set, and then click OK on the confirmation dialog
box. The requested operation appears in blue in the LDEV information table.
To apply the same options to additional LDEVs:
1. In the Cache Residency window, select the Multi Set / Release box, click Set, and
then click OK. The Multi Set dialog box opens showing the data range and options
selected on the Cache Residency window.
2. In theMulti Set dialog box, select the desired CU image, and select the desired LDEVs.
The options displayed on the dialog box will be applied to all selected LDEVs.
to change to Modify mode.
Make sure to select the correct options, because the options cannot be
Managing cache-resident data 149