[Gluster-users] where is the free space?

[Papp Tamas]

hi All,

Ubuntu 12.04 and glusterfs 3.3.1.

root at tipper:/data# df -h /data
Filesystem      Size  Used Avail Use% Mounted on
tipper:/data    2.0T  407G  1.6T  20% /data

root at tipper:/data# du -sh .
10G	.


root at tipper:/data# du -sh /data
13G	/data


It's quite confused.

I also tried to free up the space by stopping the machine (actually LXC VM) with no lock.

After umounting the space freed up right, though it took for a long time.
If I write directly to the fs, this behaviour is different.



This is a zfs the volume:


NAME                    PROPERTY              VALUE                               SOURCE
tank/lxc/tipper/brick1  type                  filesystem                          -
tank/lxc/tipper/brick1  creation              Fri Feb 15 14:26 2013               -
tank/lxc/tipper/brick1  used                  16.4G                               -
tank/lxc/tipper/brick1  available             1.98T                               -
tank/lxc/tipper/brick1  referenced            16.4G                               -
tank/lxc/tipper/brick1  compressratio         1.11x                               -
tank/lxc/tipper/brick1  mounted               yes                                 -
tank/lxc/tipper/brick1  quota                 2T                                  local
tank/lxc/tipper/brick1  reservation           none                                default
tank/lxc/tipper/brick1  recordsize            128K                                default
tank/lxc/tipper/brick1  mountpoint            /tank/lxc/tipper/rootfs/mnt/brick1  local
tank/lxc/tipper/brick1  sharenfs              off                                 default
tank/lxc/tipper/brick1  checksum              on                                  default
tank/lxc/tipper/brick1  compression           gzip                                local
tank/lxc/tipper/brick1  atime                 off                                 inherited from 
tank/lxc/tipper/brick1  devices               on                                  default
tank/lxc/tipper/brick1  exec                  on                                  default
tank/lxc/tipper/brick1  setuid                on                                  default
tank/lxc/tipper/brick1  readonly              off                                 default
tank/lxc/tipper/brick1  zoned                 off                                 default
tank/lxc/tipper/brick1  snapdir               hidden                              default
tank/lxc/tipper/brick1  aclinherit            restricted                          default
tank/lxc/tipper/brick1  canmount              on                                  default
tank/lxc/tipper/brick1  xattr                 on                                  default
tank/lxc/tipper/brick1  copies                1                                   default
tank/lxc/tipper/brick1  version               5                                   -
tank/lxc/tipper/brick1  utf8only              off                                 -
tank/lxc/tipper/brick1  normalization         none                                -
tank/lxc/tipper/brick1  casesensitivity       sensitive                           -
tank/lxc/tipper/brick1  vscan                 off                                 default
tank/lxc/tipper/brick1  nbmand                off                                 default
tank/lxc/tipper/brick1  sharesmb              off                                 default
tank/lxc/tipper/brick1  refquota              none                                default
tank/lxc/tipper/brick1  refreservation        none                                default
tank/lxc/tipper/brick1  primarycache          all                                 default
tank/lxc/tipper/brick1  secondarycache        all                                 default
tank/lxc/tipper/brick1  usedbysnapshots       0                                   -
tank/lxc/tipper/brick1  usedbydataset         16.4G                               -
tank/lxc/tipper/brick1  usedbychildren        0                                   -
tank/lxc/tipper/brick1  usedbyrefreservation  0                                   -
tank/lxc/tipper/brick1  logbias               latency                             default
tank/lxc/tipper/brick1  dedup                 on                                  local
tank/lxc/tipper/brick1  mlslabel              none                                default
tank/lxc/tipper/brick1  sync                  standard                            default
tank/lxc/tipper/brick1  refcompressratio      1.11x                               -
tank/lxc/tipper/brick1  written               16.4G                               -


Do you have any idea, why that's happened?

10x
tamas