Date: Sat, 4 Jul 2009 16:26:02 -0700 From: Freddie Cash <fjwcash@gmail.com> To: Dan Naumov <dan.naumov@gmail.com> Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: ZFS and df weirdness Message-ID: <b269bc570907041626j53d4b3f6y5f710d2f55631ef4@mail.gmail.com> In-Reply-To: <cf9b1ee00907041455v57b1e1eatf7b4cf0a060b938c@mail.gmail.com> References: <cf9b1ee00907041455v57b1e1eatf7b4cf0a060b938c@mail.gmail.com>
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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. -- Freddie Cash fjwcash@gmail.com
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