VMware Discontinues Public Access to Virtual Disk Development Kit, Sparking Controversy Among Users
In a recent move that has left many in the tech community reeling, VMware has quietly ceased public downloads of its Virtual Disk Development Kit (VDDK). This software development kit, integral to accessing and manipulating virtual disks, has been freely available for years, serving as a vital component in migration tools for various VMware competitors, including Nutanix, Red Hat, and integrators of Apache CloudStack.
The abrupt removal of VDDK download pages in late August caught many off guard. Not only was there no prior notice, but the existing documentation and migration guides pointing users to these downloads have now been rendered obsolete. This action has raised significant concerns about transparency and the efficacy of support for users who rely on VMware products.
VMware has defended its decision by highlighting that access to VDDK is still available through select Technology Alliance Partners (TAPs) for licensed use cases, particularly those involving backup and recovery operations. A spokesperson for the company emphasized that VDDK is not a customer entitlement, but rather a specialized development kit governed by its own licensing rules, which have never included it in Broadcom software purchases. They also stated that the use of VDDK for migration purposes was never an authorized use case, which raises questions regarding the previous lack of enforcement of this restriction during the kit’s long public availability.
The VDDK is known for providing libraries and utilities that facilitate critical operations such as backup, recovery, and cloning of virtual disks. Its role has been particularly pronounced in migration tools offered by VMware’s competitors, with many organizations relying on VDDK as an essential input transport mechanism. Notably, the virt-v2v engine, which underpins a significant number of VMware-to-KVM conversions, has heavily depended on VDDK integration.
Industry experts, like those from ShapeBlue, an Apache CloudStack specialist, have pointed out the challenges that arise from changing distribution methods of SDKs without prior notice. The disruption created by removing access to such a pivotal resource has left many organizations scrambling for alternatives. This was especially evident for smaller businesses and open-source projects that lack established channels of communication with VMware.
The repercussions of this decision disproportionately affect smaller organizations and developers who often cannot afford the resources available to larger companies. Established backup vendors typically maintain direct contacts within VMware, facilitating easier navigation through the changes. Conversely, small-scale migration consultancies and individual developers may find themselves navigating broken links and outdated forum discussions, severely hampering their ability to complete projects effectively.
Despite these challenges, some service organizations have begun to identify workarounds that enable virtual machine migration without VDDK access. These solutions may mitigate some of the immediate impact but do not negate the larger issues at play.
The timing of this development is particularly notable, coinciding with widespread customer dissatisfaction following Broadcom’s acquisition of VMware. Many channel partners, including Rackspace and Macquarie Telecom, have publicly expressed their intentions to reduce reliance on VMware products or explore alternative platforms entirely. This discontent is particularly evident in discussions regarding licensing changes that have emerged in the wake of Broadcom’s acquisition.
While the removal of VDDK access undoubtedly poses challenges—potentially slowing down certain migration initiatives—the broader sentiment among industry observers is that migrating virtual machines is only a small component of the complex landscape of virtualization migration. Factors such as rebuilding network configurations, security setups, and storage infrastructure comprise the bulk of these challenges, suggesting that the strategic implications of curbing VDDK downloads may not be as dire as initially perceived.
In conclusion, VMware’s decision to discontinue public access to the Virtual Disk Development Kit has sparked significant debate within the technology community. As organizations navigate this unexpected change, the long-term effects on both VMware’s reputation and its user base remain to be seen. The case serves as a reminder of the importance of transparency and communication in software development and the significant impact such decisions can have across the tech landscape.
Source: The Register