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  | 
32  | |
VHD Chain Coalescing  | 32  | 
Space Utilization  | 32  | 
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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