ERROR: could not read device /dev/lvm

[Alex Volkov]

Disregard my last message.
The version of fai-client installed under nfsroot is 3.1.8 (etch
default) instead of newer 3.2.8, installed on the system - is that a
bug?

Upgrading to 3.2.8, which contains /usr/sbin/setup-storage fixes the
problem.