olivierpierre · June 13, 2016 21:27
diff --git a/par_vm_boot.sh b/par_vm_boot.sh
 # number of VMs to boot:
 vm_num=10

 for i in `seq 0 $vm_num`; do
        # here we launch $vm_num `xl create` commands in parallel
        ( xl create /path/to/config/file$i.cfg &> out_$i.log) &
 done
 wait # wait for all the `xl create` commands to return before continuing further
	# number of VMs to boot:
	vm_num=10

	for i in `seq 0 $vm_num`; do
	# here we launch $vm_num `xl create` commands in parallel
	( xl create /path/to/config/file$i.cfg &> out_$i.log) &
	done
	wait # wait for all the `xl create` commands to return before continuing further