Hello, "Thomas Schmitt" skribis: > The fact that the VM always sees the expected size but the host sees varying > sizes supports the suspicion that at the end of the VM its i/o buffers or > virtual disk are not always properly flushed to the i/o system of the host. > The varying success smells like a race condition. Indeed, that rings a bell: I fixed a similar issue in commit 0dc7d298a33f83d5f02a962b5f1bd24ee0e8ef07. Florian: could you check whether the patch below solves the problem for you? Thanks, Ludo’.