As far as GT.M is concerned, VMWare, Qemu, Windows virtual server,
Parallels, etc. are all equivalent.  If it is a standard Linux, GT.M
will run on it.

Running a production environment is yet another matter altogether.  In
order to ensure recoverability, when GT.M issues a command to "harden"
the disks, it expects the data to be hardened to a permanent magnetic
medium.  In a virtual machine, that "magnetic medium" is a file in a
host machine, which may or may not be hardened when the virtual machine
executes a sync operation to harden the data.  I believe VMWare may be
the only one with an option to harden to the host magnetic medium.

So, while virtual machines are excellent for demo and development
purposes, they are not suitable for production unless you can be assured
about hardening.

-- Bhaskar


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