[Gluster-users] Trouble with data size in a Distributed-Replicated 2 x 3 = 6 volume

[ARDOUIN OLIVIER]

HI,

In my Distriuted-Replicated volume [ 2 x 3 = 6] used as a data domain for oVirt hypervisor, I had a trouble with used space :

It was a previous Replicated 1 x 3 = 3 volume extended by adding one brick (one disk) in each server to recharge a 2 x 3 = 6 volume.

Df -h on the mount point give à 98% used volume (see below)

Filesystem              Size  Used Avail Use% Mounted on

ovirt1.pmmg.priv:/data  3.4T  3.3T   82G  98% /rhev/data-center/mnt/glusterSD/ovirt1.pmmg.priv:_data


But : du -hs on this folder give me a really different amount of data :


du -hs /rhev/data-center/mnt/glusterSD/ovirt1.pmmg.priv\:_data

1.4T /rhev/data-center/mnt/glusterSD/ovirt1.pmmg.priv:_data


And of course just a small hidden folder (.trashcan nearly empty in this mount point) :


du -hs /rhev/data-center/mnt/glusterSD/ovirt1.pmmg.priv\:_data/.trashcan

1.2M /rhev/data-center/mnt/glusterSD/ovirt1.pmmg.priv:_data/.trashcan


I don’t known how to free space in this volume and why such a difference between DU and DF ? Are my data replicated on the 6 bricks ?


Any clues will be appreciated.


Thank's
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