HP StorageWorks XP24000/XP20000 Thin Provisioning Software User Guide (T5227-96015, May 2011)

Device Manager can be configured to output SNMP traps as a log file so you can monitor devices
centrally in storage areas and program products. In addition, the Device Manager can send alerts
by email.
For more information on Device Manager SNMP traps and email notification, see the administrator
guide that came with Device Manager.
Monitoring Pool Usage Levels
Several tools allow you to view both the current pool usage rates and the changes over time for
those usage rates. These tools allow you to monitor the pool free space and estimate when you
will need to increase the pool capacity.
• You can use the XP Thin Provisioning window. For more information, see “XP Thin Provisioning
Window” (page 38).
• You can use RAID Manager. For more information, see the HP StorageWorks RAID Manager
User Guide.
• You can use Device Manager. For more information, see the user guide that came with Device
Manager.
Figure 3 (page 13) shows a sample display of the changes in pool usage levels.
Figure 3 Sample Pool Information
You can use both XP Performance Advisor and Performance Monitor to collect I/O data on V-VOL
and pool usage:
• Using XP Performance Advisor:
The current used pool capacity and the chronological changes in the used pool capacity◦
◦ The current used V-VOL capacity (ratio of the stored data) and the chronological changes
in the used V-VOL capacity
• Using Performance Monitor:
Frequency of V-VOL access, read hit ratio, and write hit ratio◦
◦ Pool I/O rates in the parity group
Figure 4 (page 14) shows management of usage levels and operation information.
Managing Pool Capacity 13