Improve the cluster installation

[k37y]

$ qemu-img create -f qcow2 vm1.qcow2 300G
Formatting 'vm1.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=322122547200 lazy_refcounts=off refcount_bits=16
$ mv vm1.qcow2 vm_gold.qcow2
$ qemu-img create -f qcow2 -F qcow2 -b vm_gold.qcow2 vm1.qcow2
Formatting 'vm1.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=322122547200 backing_file=vm_gold.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
$ qemu-img create -f qcow2 -F qcow2 -b vm_gold.qcow2 vm2.qcow2
Formatting 'vm2.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=322122547200 backing_file=vm_gold.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
$ qemu-img create -f qcow2 -F qcow2 -b vm_gold.qcow2 vm3.qcow2
Formatting 'vm3.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=322122547200 backing_file=vm_gold.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16

@germanovm

[k37y]

• Install ONP.
• Install the cluster.
• Shutdown ONP.
• Copy the ONP disk image.
• Use the ONP disk image as a base image and create another.