Osegi
Software·1 min read

OpenVDDK: Free Alternative to VMware's VDDK After Broadcom Lockout

A cloud architect has built OpenVDDK, a free alternative to VMware's VDDK, so VM migrations can continue after Broadcom restricted access to the original.

Server racks in a data center with virtual machines being migrated between platforms.
Image: iX Magazin

A cloud architect has released OpenVDDK, a free alternative to VMware's VDDK. The project is meant to keep virtual machine migrations possible after Broadcom restricted access to the original kit.

VDDK, the Virtual Disk Development Kit, is the software library that migration and backup tools use to read virtual disks from VMware environments. When access to it is blocked, tools that depend on it lose a key building block. That is the gap OpenVDDK aims to close.

Why the project matters

Since Broadcom took over VMware, many companies have been reconsidering their virtualization strategy. Moving workloads to other platforms is a central part of that, and it relies on dependable access to existing virtual disks. A closed-off VDDK makes such moves harder for administrators and for the developers of migration tools.

An open implementation offers a way out of that dependency. Because it is freely available, teams are not tied to a vendor's decision about who may download the kit. For organizations planning an exit from VMware, that can mean fewer obstacles when moving virtual machines.

What to watch

The available details are limited. How completely OpenVDDK covers the functions of the original, and how well it performs in production environments, will need to be shown by practical use and independent testing. Administrators who want to rely on it should evaluate it carefully before using it in critical migrations.

Still, the project shows how quickly the community reacts when a vendor restricts a tool that many others depend on. If OpenVDDK proves reliable, it could become a standard component for migrations away from VMware, independent of Broadcom's access policies.

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Tags:openvddkvmwarebroadcomvddkvirtualizationvm migration

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