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Subject: Re: bhyve and dynamic allocation
To: Grzegorz Junka <list1@gjunka.com>
References: <862088a4-6934-4a03-cc1c-4b27154b9bb2@gjunka.com>
Cc: freebsd-virtualization@freebsd.org
From: Peter Grehan <grehan@freebsd.org>
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Date: Tue, 6 Sep 2016 08:48:52 -0700
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Hi Grzegorz,

> Is it possible / supported / planned to run a client OS without
> specifying RAM/HDD up-front but with dynamically allocated resources?

  The amount of RAM specified is just the maximum allowed, and by 
default is demand-paged without any pre-allocation.

  For disk, the same effect can be achieved by using a sparse volume, 
e.g. 'truncate -s <disk-siz>' on UFS.

later,

Peter.