Date: Sun, 5 Jul 2009 02:30:59 +0300 From: Dan Naumov <dan.naumov@gmail.com> To: Freddie Cash <fjwcash@gmail.com> Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: ZFS and df weirdness Message-ID: <cf9b1ee00907041630u12e68e58l1bb317b42a6ea5fc@mail.gmail.com> In-Reply-To: <b269bc570907041626j53d4b3f6y5f710d2f55631ef4@mail.gmail.com> References: <cf9b1ee00907041455v57b1e1eatf7b4cf0a060b938c@mail.gmail.com> <b269bc570907041626j53d4b3f6y5f710d2f55631ef4@mail.gmail.com>
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On Sun, Jul 5, 2009 at 2:26 AM, Freddie Cash<fjwcash@gmail.com> wrote: > > > On Sat, Jul 4, 2009 at 2:55 PM, Dan Naumov <dan.naumov@gmail.com> wrote: >> >> Hello list. >> >> I have a single 2tb disk used on a 7.2-release/amd64 system with a >> small part of it given to UFS and most of the disk given to a single >> "simple" zfs pool with several filesystems without redundancy. I've >> noticed a really weird thing regarding what "df" reports regarding the >> "total space" of one of my filesystems: >> >> atom# df -h >> Filesystem Size Used Avail Capacity Mounted on >> /dev/ad12s1a 15G 1.0G 13G 7% / >> devfs 1.0K 1.0K 0B 100% /dev >> linprocfs 4.0K 4.0K 0B 100% /usr/compat/linux/proc >> tank/DATA 1.8T 292G 1.5T 16% /DATA >> tank/home 1.5T 0B 1.5T 0% /home >> tank/home/jago 1.5T 128K 1.5T 0% /home/jago >> tank/home/karni 1.5T 0B 1.5T 0% /home/karni >> tank/usr/local 1.5T 455M 1.5T 0% /usr/local >> tank/usr/obj 1.5T 0B 1.5T 0% /usr/obj >> tank/usr/ports 1.5T 412M 1.5T 0% /usr/ports >> tank/usr/src 1.5T 495M 1.5T 0% /usr/src >> tank/var/log 1.5T 256K 1.5T 0% /var/log >> >> Considering that every single filesystem is part of the exact same >> pool, with no custom options whatsoever used during filesystem >> creation (except for mountpoints), why is the size of tank/DATA 1.8T >> while the others are 1.5T? > > Did you set a reservation for any of the other filesystems? Reserved space > is not listed in the "general" pool. no custom options whatsoever were used during filesystem creation (except for mountpoints). - Dan
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