man qvm-block
qvm-block -a [options] <device> <vm-name>

while in fact it is 

qvm-block --help
qvm-block -a [options] <vm-name> <vm-name>:<device>

(same error with

You received this message because you are subscribed to the Google Groups 
"qubes-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
To post to this group, send email to
To view this discussion on the web visit
For more options, visit

Reply via email to