Hp XP20000XP24000 Disk Array Manuale Utente Scaricare il pdf (Pagina 12)

Figure 1 Effects of XP Thin Provisioning

Because you need to create volumes with the same capacity when you deﬁne volumes, you can incur

initial installation and costs and expenses that are not needed at the time. In the ﬁrst example, without XP

Thin Pro

visioning, the used volume capacity will exceed 80% within a year, requiring you to restructure

the system when you add capacity.

XP Thin Provisioning decreases the cost to obtain the same volume capacity. Because you can purchase

additional capacity only when needed, you can more effectively use the volumes that you create. You

will als

o not incur the cost and downtime involved in restructuring the system because capacity can be

added w

ithout taking the system ofﬂine.

Advantages of XP Thin Provisioning

The following table lists the advantages of XP Thin Provisioning.

Overview of HP StorageWorks XP Thin Provisioning Software

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Hp XP20000XP24000 Disk Array Manuale Utente Pagina 12