Hp XP20000XP24000 Disk Array Manuale Utente Scaricare il pdf (Pagina 21)

• The maximum possible total number of XP Snapshot pools and XP Thin Provisioning pools is 32.

• XP Thin Provisioning pool-VOLs cannot be used as XP Snapshot pool-VOLs, and vice versa.

Monitoring and Tuning Resources

This section describes the function to accumulate statistical information, such as the information shown in

“XP Thin Provisioning Window” on page 38 and the information displayed in Performance Monitor, and

describes the function to support XP Thin Provisioning management.

Monitoring Usage Rates

You can use the XP Thin Provisioning window to display V-VOL and pool usage rates, so that you can

monitor the pool free space and estimate when you will need to increase the pool capacity. For a

description of the XP Thin Provisioning window, see “XP Thin Provisioning Window”onpage38.

Thefollowing tableshows howyou candisplay theusage rates. Youcan useeitherthe XP Thin

Provisioning window or RAID Manager. For more information on RAID Manager, see HP StorageWorks

XP RAID Manager User's Guide.

Table 7 How To Display Usage Rates

Display Item How To Display Usage Rates

V-VOL Usage Rates

• You can display the V-VOL usage rates for a V-VOL. The V-VOL usage rate is

the used V-VOL capacity to all the V-VOL capacity.

• You can display the current V-VOL usage rates.

• You can view the changes in the V-VOL usage rates by also using HP

StorageWorks XP Command View Advanced Edition Software.

Pool Usage Rates

• You can d

isplay the pool usage rates of each V-VOL per a pool.

• You can

display the current pool usage rates.

• You can

view the changes of the pool usage rates by also using HP

StorageWorks XP Command View Advanced Edition Software.

Figure 4 shows an example of the changes in the pool usage rates.

XP24000 Thin Provisioning Software User's Guide

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Hp XP20000XP24000 Disk Array Manuale Utente Pagina 21