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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[-- Attachment #1 --] 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 [-- Attachment #2 --] 0 *H 01 0 + 0 *H 00ʠ D+ 0 *H 0Q10 &,dedu10 &,dcsub10 &,dad10Uad-csub0 070220000242Z 080220000242Z010 &,dedu10 &,dcsub10 &,dad10 UUsers10U rjackson310 *H raj@csub.edu00 *H 0 &r,4.DK]hVM2z%#3cZeL\#eﺯ4@Óf eUkE@1SujЇŜ]8rB.zKjt˼<4&la4bj 0 0 U 06 *H )0'0 *H 80 *H 80+0 U -*mݡSX3 *0 +7 U s e r0 U #0xO\ԫ ϷJ^0U 00堁⠁߆ldap:///CN=ad-csub,CN=ad2,CN=CDP,CN=Public%20Key%20Services,CN=Services,CN=Configuration,DC=ad,DC=csub,DC=edu?certificateRevocationList?base?objectClass=cRLDistributionPoint-http://ad2.ad.csub.edu/CertEnroll/ad-csub.crl0+00+0ldap:///CN=ad-csub,CN=AIA,CN=Public%20Key%20Services,CN=Services,CN=Configuration,DC=ad,DC=csub,DC=edu?cACertificate?base?objectClass=certificationAuthority0I+0=http://ad2.ad.csub.edu/CertEnroll/ad2.ad.csub.edu_ad-csub.crt0)U %"0 +7 ++0>U 705% +7 rjackson3@ad.csub.edu raj@csub.edu0 *H IƠ= s 40Q KtDa@\)a2C ,Bg~&_ ]o1:/rk5Pz:l| . Wƚa+n$r%AW I]!҈z5Љ&{GBc y:x~]lq-M?'(ϟpj0 ϣ{W<C >Hy ٛ g3A :{jWUm&00ʠ D+ 0 *H 0Q10 &,dedu10 &,dcsub10 &,dad10Uad-csub0 070220000242Z 080220000242Z010 &,dedu10 &,dcsub10 &,dad10 UUsers10U rjackson310 *H raj@csub.edu00 *H 0 &r,4.DK]hVM2z%#3cZeL\#eﺯ4@Óf eUkE@1SujЇŜ]8rB.zKjt˼<4&la4bj 0 0 U 06 *H )0'0 *H 80 *H 80+0 U -*mݡSX3 *0 +7 U s e r0 U #0xO\ԫ ϷJ^0U 00堁⠁߆ldap:///CN=ad-csub,CN=ad2,CN=CDP,CN=Public%20Key%20Services,CN=Services,CN=Configuration,DC=ad,DC=csub,DC=edu?certificateRevocationList?base?objectClass=cRLDistributionPoint-http://ad2.ad.csub.edu/CertEnroll/ad-csub.crl0+00+0ldap:///CN=ad-csub,CN=AIA,CN=Public%20Key%20Services,CN=Services,CN=Configuration,DC=ad,DC=csub,DC=edu?cACertificate?base?objectClass=certificationAuthority0I+0=http://ad2.ad.csub.edu/CertEnroll/ad2.ad.csub.edu_ad-csub.crt0)U %"0 +7 ++0>U 705% +7 rjackson3@ad.csub.edu raj@csub.edu0 *H IƠ= s 40Q KtDa@\)a2C ,Bg~&_ ]o1:/rk5Pz:l| . Wƚa+n$r%AW I]!҈z5Љ&{GBc y:x~]lq-M?'(ϟpj0 ϣ{W<C >Hy ٛ g3A :{jWUm&100_0Q10 &,dedu10 &,dcsub10 &,dad10Uad-csub D+ 0 + 0 *H 1 *H 0 *H 1 070306184646Z0# *H 1:)n:Jd{0R *H 1E0C0 *H 0*H 0 *H @0+0 *H (0n +71a0_0Q10 &,dedu10 &,dcsub10 &,dad10Uad-csub D+ 0p *H 1a_0Q10 &,dedu10 &,dcsub10 &,dad10Uad-csub D+ 0 *H Z<Sv"Zvkbmȱ+{rn@YN̨2Rd)2Hc)r46H]rB~u+/j#L8*-\mK`>%Jw\Pq" /Amt8P|G¤help
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