Date: Tue, 7 Oct 2008 02:54:37 -0700 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: lhmwzy <lhmwzy@gmail.com> Cc: pjd@freebsd.org, freebsd-stable@freebsd.org Subject: Re: zfs quota question Message-ID: <20081007095437.GA44716@icarus.home.lan> In-Reply-To: <78fb9d960810070232u3f35010dv510dfa0fb2285568@mail.gmail.com> References: <78fb9d960810070232u3f35010dv510dfa0fb2285568@mail.gmail.com>
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On Tue, Oct 07, 2008 at 05:32:43PM +0800, lhmwzy wrote: > I create a zfs volume pool/lhm and give it quota 1M use "zfs set > quota=1m pool/lhm" > > #zfs get all pool/lhm > zfs get all pool/lhm > [ttyp0][5:22:12pm] > NAME PROPERTY VALUE SOURCE > pool/lhm type filesystem - > pool/lhm creation Tue Oct 7 17:14 2008 - > pool/lhm used 1.00M - > pool/lhm available 0 - > pool/lhm referenced 1.00M - > pool/lhm compressratio 7.25x - > pool/lhm mounted yes - > pool/lhm quota 1M local > pool/lhm reservation none default > pool/lhm recordsize 128K default > > But I cp 10 files,per file size is 2.4M to pool/lhm > #ll -h /pool/lhm > total 1013 > -rw------- 1 root wheel 2.4M Oct 7 17:18 d > -rw------- 1 root wheel 2.4M Oct 7 17:19 dd > -rw------- 1 root wheel 2.4M Oct 7 17:19 ddd > -rw------- 1 root wheel 2.4M Oct 7 17:19 dddd > -rw------- 1 root wheel 2.4M Oct 7 17:19 ddddd > -rw------- 1 root wheel 2.4M Oct 7 17:19 dddddd > -rw------- 1 root wheel 2.4M Oct 7 17:19 dddddd2 > -rw------- 1 root wheel 2.4M Oct 7 17:19 dddddd24 > -rw------- 1 root wheel 2.1M Oct 7 17:19 dddddd247 > -rw------- 1 root wheel 2.4M Oct 7 17:18 kldstat.core > > #du -hs /pool/lhm > 1.0M . > > I am puzzled,the what's zfs quota mean? > I understand is file quota,that can't put files which total size larger than 1M. > But it seems my understanding is wrong. > Anybody give a idea? I can confirm and reproduce what you're seeing. Based on all of the ZFS documentation and examples I've read, it appears to be a bug in FreeBSD ZFS. CC'ing pjd@, who maintains ZFS on FreeBSD. -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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