HP XP7 Fast Snap User Guide (TK913-96003)

Related topics
• “Histories window” (page 172).
Viewing the number of cache management devices
You can view the current number of cache management devices that are available and in use and
the maximum amount of cache management devices you can create in the storage system in the
View Management Resource Usage window.
• In the RWC main window, in the resource tree in the Explorer, click Actions > View
Management Resource Usage.
Related topics
• View Management Resource Usage window in the HP XP7 Provisioning for Open Systems
User Guide.
• “Workflow for calculating Fast Snap pairs based on cache management devices” (page 33).
• “Fast Snap cache management device requirements” (page 33).
• “Calculating the number of the remaining cache management devices” (page 141).
Managing pools
You can manage pools and V-VOLs in the following ways:
• Monitor pool information (see “Monitoring pool information” (page 111)).
• View formatted pool capacity and pool usage rates (see “Viewing formatted pool capacity
and pool usage rates” (page 113)).
• Rebalance the pool usage rate among parity groups (see “Workflow for rebalancing pool
volume usage rates among parity groups” (page 114).)
• View the progress of rebalancing the pool-VOL usage rate (see “Viewing the progress of
rebalancing pool volume usage rates and levels” (page 114).)
• Increase pool capacity (see “Increasing pool capacity” (page 118)).
• Decrease pool capacity (see “Decreasing pool capacity” (page 121)).
• Stop the process of decreasing the pool capacity (see “Stopping the process of decreasing
pool capacity” (page 123)).
• Edit the pool warning threshold (see “Editing the data pool warning threshold” (page 124)).
• Edit pool names (see “Editing pool names” (page 126)).
• Recover blocked pools (see “Recovering blocked pools” (page 128)).
• Delete pools (see “Workflow for deleting pools” (page 130)).
110 Monitoring and maintaining Fast Snap