Usage: qemu-storage-daemon [options] QEMU storage daemon -h, --help display this help and exit -T, --trace [[enable=]][,events=][,file=] specify tracing options -V, --version output version information and exit --blockdev [driver=][,node-name=][,discard=ignore|unmap] [,cache.direct=on|off][,cache.no-flush=on|off] [,read-only=on|off][,auto-read-only=on|off] [,force-share=on|off][,detect-zeroes=on|off|unmap] [,driver specific parameters...] configure a block backend --chardev configure a character device backend (see the qemu(1) man page for possible options) --daemonize daemonize the process, and have the parent exit once startup is complete --export [type=]nbd,id=,node-name=[,name=] [,writable=on|off][,bitmap=] export the specified block node over NBD (requires --nbd-server) --export [type=]vhost-user-blk,id=,node-name=, addr.type=unix,addr.path=[,writable=on|off] [,logical-block-size=][,num-queues=] export the specified block node as a vhost-user-blk device over UNIX domain socket --export [type=]vhost-user-blk,id=,node-name=, addr.type=fd,addr.str=[,writable=on|off] [,logical-block-size=][,num-queues=] export the specified block node as a vhost-user-blk device over file descriptor --export [type=]vduse-blk,id=,node-name= ,name=[,writable=on|off] [,num-queues=][,queue-size=] [,logical-block-size=] [,serial=] export the specified block node as a vduse-blk device --monitor [chardev=]name[,mode=control][,pretty[=on|off]] configure a QMP monitor --nbd-server addr.type=inet,addr.host=,addr.port= [,tls-creds=][,tls-authz=][,max-connections=] --nbd-server addr.type=unix,addr.path= [,tls-creds=][,tls-authz=][,max-connections=] start an NBD server for exporting block nodes --object help list object types that can be added --object ,help list properties for the given object type --object [,=...] create a new object of type , setting properties in the order they are specified. Note that the 'id' property must be set. See the qemu(1) man page for documentation of the objects that can be added. --pidfile write process ID to a file after startup See for how to report bugs. More information on the QEMU project at .