Virt-manager created it as a .qcrow2 by default, did not know what that
was. There was also an indication that 'the KVM package' was not
installed and as a result, it would run slowly. I would have expected
the installation of virt-manager to also pull in all required
dependencies. Debian does not provide a package named 'kvm' and
searching using that string under Description & Name with Synaptic,
found no such packages that looked like it would install KVM.
I believe the file system it is using, is ext4.
On 10/20/21 3:00 PM, ma...@mohawksoft.com wrote:
I use KVM all the time and manage it with virt-manager.
(1) Make sure that network and disk use VirtIO para-virtual driver, do not
emulate physical devices.
(2) Don't use qcow2, its really slow. Pre-allocate your boot drive:
touch myboot.raw
truncate -s SIZE myboot.raw
The above will let you define a large thin-provisioned disk.
If you have LVM or ZFS you can create a logical volume or zvol, but I
think the thin provisioned "sparse" file may be faster because of the
double caching.
On 10/18/21 9:20 PM, Edward wrote:
I missed a setting, found it afterwards, it defaults to Virtual Network
(NAT) and the box to start it automatically was initially not checked.
It's working now.
And it (take your pick):
* is slow as molasses
* runs at a snail's pace
Not even worth using. Gnome Boxes on Fedora 33 ran far better and faster
than Virt Manager does on Debian.
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