VMware Virtual Disk Development Kit - VMware Communities

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VDDK – SAN transport (new in 1.1) 16 Efficient access to virtual disk when VDDK application is running on physical hardware (“proxy”) Proxy needs direct access to VMFS LUNs storing virtual disks ESX/VC acts as metadata server, providing information about layout of virtual disk on SAN LUNs SAN transport uses this information to directly read data off SAN LUN No load on ESX host, “LAN free” transfer possible
VDDK – SAN transport 17 ESX server 1. Get Block Mapping(Snapshot, VmdkPath,…) VDDK Application 2. Query Snapshot VMFS 3. Read/Write(BlockOffset, …) SAN
Page 1 and 2: VMware Virtual Disk Development Kit
Page 3 and 4: Hard Disk terminology - A brief rec
Page 5 and 6: Virtual Disk 5 Abstraction that rep
Page 7 and 8: Parent and Child Disks 7 VI client
Page 9 and 10: Why VDDK 9 VMDK format public but w
Page 11 and 12: VixDiskLib API descriptions 11 Prog
Page 13 and 14: VDDK - Transports 13 VDDK App
Page 15: VDDK - HotAdd transport (new in 1.1
Page 19 and 20: VixMntapi (new in 1.1) 19 VixMntapi
Page 21 and 22: VixMntapi Internals - Windows 21 Vi
Page 23 and 24: VixMntapi internals - Windows 23 Af
Page 25 and 26: References and Links 25 VDDK main l
Page 27: VMware Virtual Disk Development Kit

VMware Virtual Disk Development Kit - VMware Communities

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