Hp XP20000XP24000 Disk Array Instrukcja Użytkownika Pobierz pdf (Strona 15)

2 About XP Thin Provisioning

Operations

In XP Thin Provisioning, the storage system stores and manages data on a volume in a pool by using

V-VOLs. This chapter describes the pools and V-VOLs used by XP Thin Provisioning, and then describes

the XP Thin Provisioning functions.

XP Thin Provi

sioning Components

Pool-VOLs, p

ools, V-VOLs, volumes, and XP Thin Provisioning software are related to XP Thin Provisioning.

Pool and Virtual Volumes

XP Thin Provisioning stores pool-VOL data in a pool by using V-VOLs. V-VOLs are managed by the V-VOL

management area and are associated with the pool. Therefore, to use XP Thin Provisioning, at least a

V-VOL and a pool are necessary. A V-VOL used in XP Thin Provisioning is called the TP-VOL.

The following ﬁgure illustrates the relationship between pools and V-VOLs.

XP24000 Thin Provisioning Software User's Guide

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