You're not understanding it. That's what the filesystem believes is present. And as far as the filesystem is concerned there is 32G of data. The important thing is how much of your underlying block device is used. That data is available from the QUADStor ui.
Mark On Fri, 21 Oct 2016, 17:54 Aleksey Maksimov, <aleksey.i.maksi...@gmail.com> wrote: > Hello QUADStor guru`s! > > Fresh installed QUADStor 3.2.10 > > I have created and mounted the virtual disk as ext4 partition. > Then I exported this partition using NFSv4 > Then I started from NFS-client backup of KVM (oVirt) virtual machines in > NFS-share > > VDisk Statisics from QUADStor web-console: > > Write Size: 33.85 GB > Write Ops: 231954 > Read Size: 23.86 MB > Read Ops: 4797 > Unaligned Size: 0.00 KB > Data Deduped: 27.11 GB > Dedupe Ratio: 5.020 > Data Unmapped: 3.638 TB > Unmap Ops: 1907200 > Blocks Zeroed: 0.00 KB > Uncompressed Size: 6.74 GB > Compressed Size: 0.00 KB > > Based on these statistics, I expect to see what's disc used space is 6.74 > GB, but in fact here is what I see: > > # df -lah /mnt/quadstor-vv1 > > Filesystem Size Used Avail Use% Mounted on > /dev/sdu 3.6T 32G 3.4T 1% /mnt/quadstor-vv1 > > # du -shc /mnt/quadstor-vv1/* > > 16K /mnt/quadstor-vv1/lost+found > 4.0K /mnt/quadstor-vv1/ovirt-engine-backup > 3.8G /mnt/quadstor-vv1/ovirt-iso-domain > 29G /mnt/quadstor-vv1/ovirt-vm-backup > 32G total > > Statistics about deduplication deceptive? > Deduplication doesn't really work or I don't understand something? > > -- > You received this message because you are subscribed to the Google Groups > "QUADStor Storage Virtualization" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to quadstor-virt+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "QUADStor Storage Virtualization" group. To unsubscribe from this group and stop receiving emails from it, send an email to quadstor-virt+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.