Date: Tue, 06 Mar 2007 10:46:46 -0800 From: Russell Jackson <raj@csub.edu> To: Barry Pederson <bp@barryp.org> Cc: freebsd-fs@freebsd.org, Joao Barros <joao.barros@gmail.com>, freebsd-current@freebsd.org, Pawel Jakub Dawidek <pjd@freebsd.org> Subject: Re: ZFS port to FreeBSD: 2nd patchset available. Message-ID: <45EDB716.6070303@csub.edu> In-Reply-To: <45ED9289.4090001@barryp.org> References: <20070304123801.GA22350@garage.freebsd.pl> <20070306005831.22fb6115.nork@FreeBSD.org> <70e8236f0703060725j3487764enffe1ad524a098c96@mail.gmail.com> <45ED9289.4090001@barryp.org>
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This is a cryptographically signed message in MIME format. --------------ms030107020508050708000204 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Barry Pederson wrote: > 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 You can also use ggatel to make a GEOM provider out of a file. -- Russell A. Jackson <raj@csub.edu> Network Analyst California State University, Bakersfield --------------ms030107020508050708000204 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIILzDCC BeIwggTKoAMCAQICChEYRCsAAAAADREwDQYJKoZIhvcNAQEFBQAwUTETMBEGCgmSJomT8ixk ARkWA2VkdTEUMBIGCgmSJomT8ixkARkWBGNzdWIxEjAQBgoJkiaJk/IsZAEZFgJhZDEQMA4G A1UEAxMHYWQtY3N1YjAeFw0wNzAyMjAwMDAyNDJaFw0wODAyMjAwMDAyNDJaMIGAMRMwEQYK CZImiZPyLGQBGRYDZWR1MRQwEgYKCZImiZPyLGQBGRYEY3N1YjESMBAGCgmSJomT8ixkARkW AmFkMQ4wDAYDVQQDEwVVc2VyczESMBAGA1UEAxMJcmphY2tzb24zMRswGQYJKoZIhvcNAQkB FgxyYWpAY3N1Yi5lZHUwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAK7yJnIQLPM0LkRL XWhWTTKPeiXX8iMzsuxjzOBaZUzR3uNcmSPBo2Xvuq80jEAbhcOTjfGMkGYL3mVVEWuLqYtF QDHiUxN1aqC+8NCHxZyPXczQOL+3pPJyQgLsqi6RuamYpnrgjrShSwfbanTLvBeqxzw0Ju3t 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