the Virtio SCSI controller, is an older type of paravirtualized controller
which has been superseded in features by the Virtio SCSI Controller.
+[thumbnail="qm-hard-disk.png"]
On each controller you attach a number of emulated hard disks, which are backed
by a file or a block device residing in the configured storage. The choice of
a storage type will determine the format of the hard disk image. Storages which
CPU
~~~
+[thumbnail="qm-cpu-settings.png"]
+
A *CPU socket* is a physical slot on a PC motherboard where you can plug a CPU.
This CPU can then contain one or many *cores*, which are independent
processing units. Whether you have a single CPU socket with 4 cores, or two CPU
{pve} to dynamically allocate memory based on the current RAM usage of the
host.
+.Fixed Memory Allocation
+[thumbnail="qm-memory-fixed.png"]
+
When choosing a *fixed size memory* {pve} will simply allocate what you
specify to your VM.
+.Automatic Memory Allocation
+[thumbnail="qm-memory-auto.png"]
+
// see autoballoon() in pvestatd.pm
When choosing to *automatically allocate memory*, {pve} will make sure that the
minimum amount you specified is always available to the VM, and if RAM usage on