Re: 'qemu-img create' to backup encrypted qcow2 - ?

[lejeczek]

On 14/08/2021 11:19, Peter Maydell wrote:
> On Sat, 14 Aug 2021 at 08:24, lejeczek <peljasz@yahoo.co.uk> wrote:
> > -> $ qemu-img create -f qcow2 -b -o
> > encrypt.key-secret=3fd57349-3671-4cf2-ab00-f13b8ba00a4d
> > /00.GLUSTER-mnt/VMs3/enc.locallan.qcow2 -F qcow2
> > ./enc.locallan.qcow2.bkp
> > qemu-img: Invalid image size specified. You may use k, M, G,
> > T, P or E suffixes for
> > qemu-img: kilobytes, megabytes, gigabytes, terabytes,
> > petabytes and exabytes.
> The '-b' option needs a backing_file argument, but the next thing
> on your commandline is "-o". The option parser has thus assumed you
> meant to say that the backing-file is named "-o", and has then
> completely misinterpreted the rest of your commandline as a
> result. Delete the '-o', or, if you wanted to specify options, put
> "-o whatever-options-you-wanted" somewhere else than between
> the '-b' and its argument.
>
> -- PMM
There is no other syntax I could put together which would 
not end up in:
...
qemu-img: ./enc.locallan.qcow2.bkp: Parameter 
'encrypt.key-secret' is required for cipher
Could not open backing image to determine size.

thanks, L