Date: Tue, 16 Feb 2016 16:07:56 +0900 From: namaedayo <namaedayo00@gmail.com> To: freebsd-fs@freebsd.org Subject: Free space on ZFS is not reported correctly(?) Message-ID: <CAB1mm9Pz8axf5ks0DC6=F4puAD0-aCUY%2ByS_UMYk=L8Sk9MJvQ@mail.gmail.com>
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I=E2=80=99m Japanese.
My English ability is not native level, So if I say something wrong,
please don=E2=80=99t be offended.
The clumsy is sorry because it is generated by Google translation.
Free space on ZFS is not reported correctly.
There is a "zpool list -v" in sufficient disk space, but dataset other
than zvol can not use it.
Chassis : HP Prolient ML110 G7
CPU : Xeon E3-1220
Memory : 32GB ECC
HDD : TOSHIBA DT01ACA300 x4
SSD : Intel SSD DC S3500 80GB
ZIL 8GB, L2ARC 16GB (L2ARC has been temporarily manually disabled by D2764)
$ uname -a
FreeBSD namaedayo-hp.local 10.2-RELEASE-p8 FreeBSD 10.2-RELEASE-p8 #14
r292713: Fri Dec 25 11:49:13 JST 2015
root@namaedayo-hp.local:/usr/obj/usr/src/sys/NAMAEDAYO amd64
$ zpool list -v
NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALT=
ROOT
zpool0 5.44T 4.58T 881G - 23% 84% 2.08x ONLINE -
mirror 2.72T 2.29T 441G - 24% 84%
ada0p2 - - - - - -
ada2p2 - - - - - -
mirror 2.72T 2.29T 441G - 23% 84%
ada1p2 - - - - - -
ada3p2 - - - - - -
ada4p2 7.94G 1.51M 7.94G - 33% 0%
$ zfs list
NAME USED AVAIL REFER
MOUNTPOINT
zpool0 5.25T 45.3G 216K /zp=
ool0
zpool0/FreeBSD-Buckup 169G 45.3G 169G
/zpool0/FreeBSD-Buckup
zpool0/FreeBSD-Root 862G 45.3G 810G /
zpool0/Ubuntu-14-04_server 206G 230G 21.9G -
zpool0/Ubuntu_Desktop 82.5G 121G 7.18G -
zpool0/Ubuntu_Desktop-i386 135G 115G 48.9G -
zpool0/freebsd-swap 66.0G 95.2G 16.1G -
zpool0/namae-iSCSI 82.5G 68.5G 59.3G -
zpool0/namaedayo_work 351G 45.3G 346G
/zpool0/namaedayo_work
zpool0/test-dedup 53.8G 45.3G 53.8G
/zpool0/test-dedup
zpool0/test-lz4 47.8G 45.3G 47.8G
/zpool0/test-lz4
(Omitted because too much)
$ df -h
Filesystem Size Used
Avail Capacity Mounted on
zpool0/FreeBSD-Root 855G 810G
45G 95% /
devfs 1.0K 1.0K
0B 100% /dev
linprocfs 4.0K 4.0K
0B 100% /compat/linux/proc
linsysfs 4.0K 4.0K
0B 100% /compat/linux/sys
fdescfs 1.0K 1.0K
0B 100% /dev/fd
procfs 4.0K 4.0K
0B 100% /proc
zpool0/FreeBSD-Buckup 214G 169G
45G 79% /zpool0/FreeBSD-Buckup
zpool0/namaedayo_work 391G 346G
45G 88% /zpool0/namaedayo_work
zpool0/test-dedup 99G 54G
45G 54% /zpool0/test-dedup
zpool0/test-lz4 93G 48G
45G 51% /zpool0/test-lz4
(Omitted because too much)
$ gpart show
=3D> 34 5860533101 ada0 GPT (2.7T)
34 6 - free - (3.0K)
40 128 1 freebsd-boot (64K)
168 5860532960 2 freebsd-zfs (2.7T)
5860533128 7 - free - (3.5K)
=3D> 34 5860533101 ada1 GPT (2.7T)
34 6 - free - (3.0K)
40 128 1 freebsd-boot (64K)
168 5860532960 2 freebsd-zfs (2.7T)
5860533128 7 - free - (3.5K)
=3D> 34 5860533101 ada2 GPT (2.7T)
34 6 - free - (3.0K)
40 128 1 freebsd-boot (64K)
168 5860532960 2 freebsd-zfs (2.7T)
5860533128 7 - free - (3.5K)
=3D> 34 5860533101 ada3 GPT (2.7T)
34 6 - free - (3.0K)
40 128 1 freebsd-boot (64K)
168 5860532960 2 freebsd-zfs (2.7T)
5860533128 7 - free - (3.5K)
=3D> 34 156301421 ada4 GPT (75G)
34 6 - free - (3.0K)
40 1024 1 freebsd-boot (512K)
1064 16777216 2 freebsd-zfs (8.0G)
16778280 33554432 3 freebsd-zfs (16G)
50332712 105968743 - free - (51G)
# zdb -C zpool0 | grep 'ashift'
ashift: 12
$ zfs get compressratio zpool0
NAME PROPERTY VALUE SOURCE
zpool0 compressratio 1.13x -
$ zpool status
pool: zpool0
state: ONLINE
scan: resilvered 1.78T in 3h27m with 0 errors on Tue Jul 15 10:11:44 2014
config:
NAME STATE READ WRITE CKSUM
zpool0 ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
ada0p2 ONLINE 0 0 0
ada2p2 ONLINE 0 0 0
mirror-1 ONLINE 0 0 0
ada1p2 ONLINE 0 0 0
ada3p2 ONLINE 0 0 0
logs
ada4p2 ONLINE 0 0 0
errors: No known data errors
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