Hi, I got the same issue with different RAID-Z setups lately.
We worked around it, but I don't want to go into detail abaout that before I know. why that happened. Regards Maximilian Hill On Mon, Apr 05, 2021 at 10:22:56AM +0200, Konold, Martin wrote: > > Hi, > > I set up a single VM which currently used 15TB of data. > /dev/sdb is technically a ZFS volume on the Proxmox Host. > > [root@vm ~]# df -h /data > Filesystem Size Used Avail Use% Mounted on > /dev/sdb 40T 15T 25T 37% /data > [root@vm ~]# du -s /data/ > 14874345100 /data/ > > [root@host /]# zfs list zfs01/PVE-BE/vm-1-disk-1 > NAME USED AVAIL REFER MOUNTPOINT > zfs01/PVE-BE/vm-1-disk-1 31.5T 5.82T 31.5T - > > Why is the usage on the host about twice as large as within the vm? > (Yes, I have given fstrim and discard a try). > > -- > Regards > ppa. Martin Konold
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