Hi all,
I am new to freenas and there are some things which confuses me.
I have 20x3T disks and two volumes (one a child of the other) on FreeNAS-9.2.1.6 :
There are two things i need your advice/guide:
1) I get "above 80%" alerts and not sure why because i only copied 10 Ts (25% full).
2) Why is there an 8T free in pool list?
I know it is probably bad setup due to my lack of knowledge but i will appreciate if you advise me on what to do.
[root@freenas] ~# zpool list
NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT
fs11_vol 51.5T 43.4T 8.12T 84% 1.00x ONLINE /mnt
[root@freenas] ~# zpool status -v
pool: fs11_vol
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
fs11_vol ONLINE 0 0 0
raidz3-0 ONLINE 0 0 0
gptid/8cdad235-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8d65e36f-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8dc11150-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8e6abd57-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8ebe8f8a-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8f3ef9c3-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8f9477a4-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8febd6da-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/90439cb8-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/90a07ff4-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/9127c2bb-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/918748cc-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/91ee0e95-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/92512d11-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/92ac728c-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/93380d20-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/939c3d43-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/93f85a3f-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/948157ec-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
cache
gptid/eb598d50-1494-11e4-9af6-001517c5f3c8 ONLINE 0 0 0
spares
gptid/94f7a6b2-10cd-11e4-b6c2-001517c5f3c8 AVAIL
errors: No known data errors
[root@freenas] ~# zpool get all fs11_vol | egrep '%|T'
NAME PROPERTY VALUE SOURCE
fs11_vol size 51.5T -
fs11_vol capacity 84% -
fs11_vol free 8.12T -
fs11_vol allocated 43.4T -
[root@freenas] ~# zfs get all fs11_vol | egrep '%|T'
NAME PROPERTY VALUE SOURCE
fs11_vol used 40.5T -
fs11_vol usedbychildren 40.5T -
fs11_vol logicalused 10.8T -
[root@freenas] ~# zfs get all fs11_vol/fs11_zvol
NAME PROPERTY VALUE SOURCE
fs11_vol/fs11_zvol type volume -
fs11_vol/fs11_zvol creation Mon Jul 21 14:54 2014 -
fs11_vol/fs11_zvol used 40.5T -
fs11_vol/fs11_zvol available 5.84T -
fs11_vol/fs11_zvol referenced 34.7T -
fs11_vol/fs11_zvol compressratio 1.00x -
fs11_vol/fs11_zvol reservation none default
fs11_vol/fs11_zvol volsize 39.3T local
fs11_vol/fs11_zvol volblocksize 8K -
fs11_vol/fs11_zvol checksum on default
fs11_vol/fs11_zvol compression off local
fs11_vol/fs11_zvol readonly off default
fs11_vol/fs11_zvol copies 1 default
fs11_vol/fs11_zvol refreservation 40.5T local
fs11_vol/fs11_zvol primarycache all default
fs11_vol/fs11_zvol secondarycache all default
fs11_vol/fs11_zvol usedbysnapshots 0 -
fs11_vol/fs11_zvol usedbydataset 34.7T -
fs11_vol/fs11_zvol usedbychildren 0 -
fs11_vol/fs11_zvol usedbyrefreservation 5.84T -
fs11_vol/fs11_zvol logbias latency default
fs11_vol/fs11_zvol dedup off inherited from fs11_vol
fs11_vol/fs11_zvol mlslabel -
fs11_vol/fs11_zvol sync standard default
fs11_vol/fs11_zvol refcompressratio 1.00x -
fs11_vol/fs11_zvol written 34.7T -
fs11_vol/fs11_zvol logicalused 10.8T -
fs11_vol/fs11_zvol logicalreferenced 10.8T -
fs11_vol/fs11_zvol volmode default default
[root@freenas] ~# df -h
Filesystem Size Used Avail Capacity Mounted on
/dev/ufs/FreeNASs1a 926M 702M 149M 82% /
devfs 1.0k 1.0k 0B 100% /dev
/dev/md0 4.6M 3.3M 900k 79% /etc
/dev/md1 823k 2.0k 756k 0% /mnt
/dev/md2 149M 24M 112M 18% /var
/dev/ufs/FreeNASs4 19M 2.1M 16M 12% /data
fs11_vol 2.5G 486k 2.5G 0% /mnt/fs11_vol
fs11_vol/.system 2.5G 562k 2.5G 0% /mnt/fs11_vol/.system
fs11_vol/.system/cores 2.5G 460k 2.5G 0% /mnt/fs11_vol/.system/cores
fs11_vol/.system/rrd 2.5G 460k 2.5G 0% /mnt/fs11_vol/.system/rrd
fs11_vol/.system/samba4 2.5G 1.1M 2.5G 0% /mnt/fs11_vol/.system/samba4
fs11_vol/.system/syslog 2.5G 1.3M 2.5G 0% /mnt/fs11_vol/.system/syslog
[root@freenas] ~#
I am new to freenas and there are some things which confuses me.
I have 20x3T disks and two volumes (one a child of the other) on FreeNAS-9.2.1.6 :

There are two things i need your advice/guide:
1) I get "above 80%" alerts and not sure why because i only copied 10 Ts (25% full).
2) Why is there an 8T free in pool list?
I know it is probably bad setup due to my lack of knowledge but i will appreciate if you advise me on what to do.
[root@freenas] ~# zpool list
NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT
fs11_vol 51.5T 43.4T 8.12T 84% 1.00x ONLINE /mnt
[root@freenas] ~# zpool status -v
pool: fs11_vol
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
fs11_vol ONLINE 0 0 0
raidz3-0 ONLINE 0 0 0
gptid/8cdad235-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8d65e36f-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8dc11150-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8e6abd57-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8ebe8f8a-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8f3ef9c3-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8f9477a4-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/8febd6da-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/90439cb8-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/90a07ff4-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/9127c2bb-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/918748cc-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/91ee0e95-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/92512d11-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/92ac728c-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/93380d20-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/939c3d43-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/93f85a3f-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
gptid/948157ec-10cd-11e4-b6c2-001517c5f3c8 ONLINE 0 0 0
cache
gptid/eb598d50-1494-11e4-9af6-001517c5f3c8 ONLINE 0 0 0
spares
gptid/94f7a6b2-10cd-11e4-b6c2-001517c5f3c8 AVAIL
errors: No known data errors
[root@freenas] ~# zpool get all fs11_vol | egrep '%|T'
NAME PROPERTY VALUE SOURCE
fs11_vol size 51.5T -
fs11_vol capacity 84% -
fs11_vol free 8.12T -
fs11_vol allocated 43.4T -
[root@freenas] ~# zfs get all fs11_vol | egrep '%|T'
NAME PROPERTY VALUE SOURCE
fs11_vol used 40.5T -
fs11_vol usedbychildren 40.5T -
fs11_vol logicalused 10.8T -
[root@freenas] ~# zfs get all fs11_vol/fs11_zvol
NAME PROPERTY VALUE SOURCE
fs11_vol/fs11_zvol type volume -
fs11_vol/fs11_zvol creation Mon Jul 21 14:54 2014 -
fs11_vol/fs11_zvol used 40.5T -
fs11_vol/fs11_zvol available 5.84T -
fs11_vol/fs11_zvol referenced 34.7T -
fs11_vol/fs11_zvol compressratio 1.00x -
fs11_vol/fs11_zvol reservation none default
fs11_vol/fs11_zvol volsize 39.3T local
fs11_vol/fs11_zvol volblocksize 8K -
fs11_vol/fs11_zvol checksum on default
fs11_vol/fs11_zvol compression off local
fs11_vol/fs11_zvol readonly off default
fs11_vol/fs11_zvol copies 1 default
fs11_vol/fs11_zvol refreservation 40.5T local
fs11_vol/fs11_zvol primarycache all default
fs11_vol/fs11_zvol secondarycache all default
fs11_vol/fs11_zvol usedbysnapshots 0 -
fs11_vol/fs11_zvol usedbydataset 34.7T -
fs11_vol/fs11_zvol usedbychildren 0 -
fs11_vol/fs11_zvol usedbyrefreservation 5.84T -
fs11_vol/fs11_zvol logbias latency default
fs11_vol/fs11_zvol dedup off inherited from fs11_vol
fs11_vol/fs11_zvol mlslabel -
fs11_vol/fs11_zvol sync standard default
fs11_vol/fs11_zvol refcompressratio 1.00x -
fs11_vol/fs11_zvol written 34.7T -
fs11_vol/fs11_zvol logicalused 10.8T -
fs11_vol/fs11_zvol logicalreferenced 10.8T -
fs11_vol/fs11_zvol volmode default default
[root@freenas] ~# df -h
Filesystem Size Used Avail Capacity Mounted on
/dev/ufs/FreeNASs1a 926M 702M 149M 82% /
devfs 1.0k 1.0k 0B 100% /dev
/dev/md0 4.6M 3.3M 900k 79% /etc
/dev/md1 823k 2.0k 756k 0% /mnt
/dev/md2 149M 24M 112M 18% /var
/dev/ufs/FreeNASs4 19M 2.1M 16M 12% /data
fs11_vol 2.5G 486k 2.5G 0% /mnt/fs11_vol
fs11_vol/.system 2.5G 562k 2.5G 0% /mnt/fs11_vol/.system
fs11_vol/.system/cores 2.5G 460k 2.5G 0% /mnt/fs11_vol/.system/cores
fs11_vol/.system/rrd 2.5G 460k 2.5G 0% /mnt/fs11_vol/.system/rrd
fs11_vol/.system/samba4 2.5G 1.1M 2.5G 0% /mnt/fs11_vol/.system/samba4
fs11_vol/.system/syslog 2.5G 1.3M 2.5G 0% /mnt/fs11_vol/.system/syslog
[root@freenas] ~#