OMV is running on a 256 GB SSD. I only use 20 GB of the HDD memory and want to make a cyclic backup via dd. ( And also want to use a smaller OMV HDD )
My destination USB for the backup only got 32 GB.
Is it possible to reduce the size of the OMV partitions ?
I already tried GPARTED, AOMEI Partition assistant . Both with a bootable USB stick on a windows 10 PC . Without success.
Would be great if anybody got a hint for me :-).