Date: Tue, 06 Mar 2007 10:10:49 -0600 From: Barry Pederson <bp@barryp.org> To: Joao Barros <joao.barros@gmail.com> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org, Pawel Jakub Dawidek <pjd@freebsd.org> Subject: Re: ZFS port to FreeBSD: 2nd patchset available. Message-ID: <45ED9289.4090001@barryp.org> In-Reply-To: <70e8236f0703060725j3487764enffe1ad524a098c96@mail.gmail.com> References: <20070304123801.GA22350@garage.freebsd.pl> <20070306005831.22fb6115.nork@FreeBSD.org> <70e8236f0703060725j3487764enffe1ad524a098c96@mail.gmail.com>
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Joao Barros wrote: > After some tries I finally got it to buildworld, but at 3am I never > got to test anything other than 'kldload zfs' > > I was reading the man pages and I was wondering if files are supported > devices like in this example: > > Example 4 Creating a ZFS Storage Pool by Using Files > > The following command creates an unmirrored pool using files. While > not recommended, a pool based on files can be useful for experimental > purposes. > > # zpool create tank /path/to/file/a /path/to/file/b > > I'd have to feed some noisy disks to my machine if file devs are not > supported -.- I tried something like that, with a 512mb file: dd if=/dev/zero of=/tmp/foo bs=1048976 count=512 zpool create tank /tmp/foo but it comes back with cannot use '/dev//tmp/foo': must be a GEOM provider mdconfig is one way to go here, creating a memory disk based on that file. and then creating a pool from that mdconfig -a -t vnode -f /tmp/foo (comes back with "md0" perhaps, meaning it's created a /dev/md0 ) zpool create tank md0 and you should be in business. Barry
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