wrong freespace with df (console) and webinterface

  • hi guys,


    i have a strange problem with my hdd.


    there is one 3TB external HDD with 2 patitions (1x 1TB und 1x 2TB)


    the 1 tb patition is filled with ~880G.


    root@nas:/srv/dev-disk-by-label-sync# du -h -d 1 ./
    16K ./lost+found
    880G ./sync
    880G ./


    but the patitions size is 916G so there should be some gb of free space.


    root@nas:/srv/dev-disk-by-label-sync# df -h
    Dateisystem Größe Benutzt Verf. Verw% Eingehängt auf
    /dev/sdd1 916G 880G 0 100% /srv/dev-disk-by-label-sync


    i can delete files but there is still 0 free space available.


    the omv-webinterface have the same values.


    but the notification mail is right;


    Resource limit matched Service filesystem_srv_dev-disk-by-label-sync Date: Wed, 30 May 2018 18:04:00 Action: alert Host: nas Description: space usage 96.0% matches resource limit [space usage>85.0%]Your faithful employee,Monit



    i can't find a reason - why?



    Do you have an idea?


    best regards

  • It is has 5% reserved for root. If it is ext4, you can set it to zero with tune2fs -m 0 /dev/sdd1

    omv 5.5.2 usul | 64 bit | 5.4 proxmox kernel | omvextrasorg 5.3.3
    omv-extras.org plugins source code and issue tracker - github


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