Date: Wed, 7 Sep 2016 14:06:58 +0930 From: Shane Ambler <FreeBSD@ShaneWare.Biz> To: Grzegorz Junka <list1@gjunka.com> Cc: freebsd-virtualization@freebsd.org Subject: Re: bhyve and dynamic allocation Message-ID: <8034e078-1d5a-7269-428a-0155c4a271b2@ShaneWare.Biz> In-Reply-To: <0553cd28-02da-ea34-19fc-340f8bfa6e23@freebsd.org> References: <862088a4-6934-4a03-cc1c-4b27154b9bb2@gjunka.com> <0553cd28-02da-ea34-19fc-340f8bfa6e23@freebsd.org>
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On 07/09/2016 01:18, Peter Grehan wrote: > 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. > And if your using ZFS on the host you can create a sparse zvol with zfs create -sV <disk-size> zpool/guestvol -- FreeBSD - the place to B...Sharing Devices Shane Ambler
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