Date: Tue, 7 Oct 2008 12:33:19 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Jeremy Chadwick <koitsu@FreeBSD.org> Cc: lhmwzy <lhmwzy@gmail.com>, freebsd-stable@freebsd.org Subject: Re: zfs quota question Message-ID: <20081007103319.GC3464@garage.freebsd.pl> In-Reply-To: <20081007102959.GA46215@icarus.home.lan> References: <78fb9d960810070232u3f35010dv510dfa0fb2285568@mail.gmail.com> <20081007095437.GA44716@icarus.home.lan> <20081007101755.GB3464@garage.freebsd.pl> <20081007102959.GA46215@icarus.home.lan>
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--E13BgyNx05feLLmH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Oct 07, 2008 at 03:30:09AM -0700, Jeremy Chadwick wrote: > On Tue, Oct 07, 2008 at 12:17:55PM +0200, Pawel Jakub Dawidek wrote: > > Turn compression off and retry. >=20 > Yep, that's the key! >=20 > # zfs set quota=3D4g storage/home > # zfs set compression=3Doff storage > # zfs get compression,quota,mountpoint > NAME PROPERTY VALUE SOURCE > storage compression off local > storage quota none default > storage mountpoint /storage default > storage/home compression off inherited from storage > storage/home quota 4G local > storage/home mountpoint /home local >=20 > # dd if=3D/dev/zero of=3D/home/filler bs=3D1g count=3D8 > dd: /home/filler: Disc quota exceeded > 4+0 records in > 3+1 records out > 3306553344 bytes transferred in 62.566567 secs (52848566 bytes/sec) >=20 > # df -h /home > Filesystem Size Used Avail Capacity Mounted on > storage/home 4.0G 4.0G 0B 100% /home >=20 > I had no idea compression could cause this. A useful feature, but > obviously can result in misleading results... :-) Yeah, ZFS offers a lot, which can create confusion, unfortunately. Do we limit physical space with quota or only logical (before compression)? Should we take space consumed by snapshots into account or not? etc. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --E13BgyNx05feLLmH Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFI6zruForvXbEpPzQRAtsqAJ92UKil9GkuXAi6FNxg0nek0Dhv+wCeMI+M e8ZDh2MtKXIpRJGwOt/pycU= =cuEq -----END PGP SIGNATURE----- --E13BgyNx05feLLmH--
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