VirtualBox is creating new VMs only on boot-section?

[ergy1983]

Hey,

I have a little problem or better I created one by myself, I guess. I am using Opensuse Leap 42.2 and Oracle VirtualBox 5.1.22 r115126 (Qt5.6.1). I just installed VirtualBox and wanted to create a new VM with Win10, but Oracle the size of the main storage of the VM being available is only the size of my boot-section sda 3 in Opensuse.

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device       start      end  sectors  size 
/dev/sda1      2048     16383     14336     7M 
/dev/sda2     16384   4225023   4208640     2G 
/dev/sda3   4225024  88117247  83892224    40G 
/dev/sda4  88117248 976773119 888655872 423,8G 

But as it can be seen, sda3 is only 40GB and sda 4 should be the basis for creating VMs. I tried different guest systems but it is always the same the overall main storage being available to create VMs is equal to sda3.

So what can I do to tell Oracle to use sda4 instead of sda3?

Thanks for every help,
Ergy

[socratis]

VirtualBox preferences » General » Default Machine Folder.

[ergy1983]

Hey socratis,

thanks alot for your answer. The Default Machine Folder is "/home/san/VirtualBox VMs". And not something based on root. Or am I forgetting something?

Because /home is not on the root-partition:

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Filesystem      Size  Used Avail Use% Mounted on
devtmpfs        1.9G     0  1.9G   0% /dev
tmpfs           1.9G   48M  1.9G   3% /dev/shm
tmpfs           1.9G  2.5M  1.9G   1% /run
tmpfs           1.9G     0  1.9G   0% /sys/fs/cgroup
/dev/sda3        41G   21G   19G  53% /
/dev/sda3        41G   21G   19G  53% /var/lib/mariadb
/dev/sda3        41G   21G   19G  53% /usr/local
/dev/sda3        41G   21G   19G  53% /var/lib/pgsql
/dev/sda3        41G   21G   19G  53% /var/crash
/dev/sda3        41G   21G   19G  53% /var/lib/machines
/dev/sda3        41G   21G   19G  53% /srv
/dev/sda3        41G   21G   19G  53% /var/spool
/dev/sda3        41G   21G   19G  53% /var/log
/dev/sda3        41G   21G   19G  53% /tmp
/dev/sda3        41G   21G   19G  53% /var/lib/named
/dev/sda3        41G   21G   19G  53% /.snapshots
/dev/sda3        41G   21G   19G  53% /var/opt
/dev/sda3        41G   21G   19G  53% /opt
/dev/sda3        41G   21G   19G  53% /var/tmp
/dev/sda3        41G   21G   19G  53% /var/lib/libvirt/images
/dev/sda3        41G   21G   19G  53% /var/lib/mailman
/dev/sda3        41G   21G   19G  53% /var/lib/mysql
/dev/sda3        41G   21G   19G  53% /boot/grub2/i386-pc
/dev/sda3        41G   21G   19G  53% /boot/grub2/x86_64-efi
/dev/sda3        41G   21G   19G  53% /var/cache
/dev/sda4       424G   48G  376G  12% /home
tmpfs           388M   20K  388M   1% /run/user/1000

Thanks again