Storage Overview

30

Storage Repositories (SRs)

30

Virtual Disk Images (VDIs)

30

Physical Block Devices (PBDs)

30

Virtual Block Devices (VBDs)

31

Summary of Storage objects

31

Virtual Disk Data Formats

31

VHD-based VDIs

32

VHD Chain Coalescing

32

Space Utilization

32

LUN-based VDIs

33

Storage configuration

33

Creating Storage Repositories

33

Upgrading LVM storage from XenServer 5.0 or earlier

34

LVM performance considerations

34

VDI types

34

Creating a raw virtual disk using the xe CLI

34

Converting between VDI formats

35

Probing an SR

35

Storage Multipathing

38

Storage Repository Types

39

Local LVM

40

Creating a local LVM SR (lvm)

40

Local EXT3 VHD

40

Creating a local EXT3 SR (ext)

40

udev

41

ISO

41

EqualLogic

41

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Citrix Systems 5.6 manual Iso