Date: Tue, 13 Dec 2016 18:34:04 -0600 From: Adam Vande More <amvandemore@gmail.com> To: javocado <javocado@gmail.com> Cc: FreeBSD virtualization <freebsd-virtualization@freebsd.org>, FreeBSD Questions <freebsd-questions@freebsd.org>, FreeBSD Filesystems <freebsd-fs@freebsd.org> Subject: Re: Re-sparse a file-backed IO device + zfs Message-ID: <CA%2BtpaK3CRmzp6P_rigtpoVjYWvDWsxCQz6NyjR-gsfksOZ6sxw@mail.gmail.com> In-Reply-To: <CAP1HOmQ6zXOqeD=DYe0rtnR6TkzyndLZHyutgynBXWNMVuiksA@mail.gmail.com> References: <CAP1HOmQ6zXOqeD=DYe0rtnR6TkzyndLZHyutgynBXWNMVuiksA@mail.gmail.com>
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On Mon, Dec 12, 2016 at 7:20 PM, javocado <javocado@gmail.com> wrote: > Hi, > > I'm setting up a bhyve wherein: > > host # truncate -s 1T vol.file > host # du -ah vol.file > 200K vol.file > > host # /usr/sbin/bhyve ... -s 4,ahci-hd,vol.file ... > > Then inside the bhyve I create a zpool (ada0 = vol.file): > > bhyve # zpool create -O devices=off -O atime=off -O compression=on -m > /mnt/data1 data1 ada0 > I think there used to be a utility called sparsify. -- Adam
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