oh Maybe the version is something wrong? qemu-img -V
> qemu-img version 2.9.0 qemu-nbd -V > qemu-nbd version 0.0.1 They're not correspondent? 2017-07-21 17:34 GMT+08:00 Daniel P. Berrange <berra...@redhat.com>: > On Fri, Jul 21, 2017 at 05:31:04PM +0800, 陳培泓 wrote: > > It works after I replace the /usr/bin/qemu-nbd with binary I built. > > > > My cmd is : > > > > > qemu-nbd --object secret,id=sec0,file=passwd.txt,format=raw \ > > > --image-opts driver=qcow2,file.filename= > > > demo.qcow2,encrypt.format=luks,encrypt.key-secret=sec0 > > > > > > But I got other message: > > > > > Block format 'qcow2' does not support the option 'encrypt.format' > > > > > > Maybe it doen't support yet? > > It is supported. I think you're git checkout is not fully updated. > > > Regards, > Daniel > -- > |: https://berrange.com -o- https://www.flickr.com/photos/ > dberrange :| > |: https://libvirt.org -o- > https://fstop138.berrange.com :| > |: https://entangle-photo.org -o- https://www.instagram.com/ > dberrange :| >