修改nova.conf文件允许改变大小allow_resize_to_same_host

admin

$ sudo vi /etc/nova/nova.conf
( [4 V  G8 G  mAdd the line to [DEFAULT] section.
( X: u- u: @1 S+ ^
! |$ p3 `8 t; o7 k6 R  @  O3 z[DEFAULT]
allow_resize_to_same_host = True
2 m6 n2 j. S( n, [# b& Y; pstate_path = /var/lib/nova
- u. N0 A# \6 ?- b  kenabled_apis = osapi_compute,metadata
  K/ z" }# ?- p7 c# `/ Nlog_dir = /var/log/nova
+ @  ?0 y: N9 Z4 I5 }0 m1 yuse_neutron = True
linuxnet_interface_driver = nova.network.linux_net.LinuxOVSInterfaceDriver
( i. ~5 D0 h; W0 ]: d9 O; lfirewall_driver = nova.virt.firewall.NoopFirewallDriver
; N# i5 I5 ]* O% _0 T6 z+ F( W  Fvif_plugging_is_fatal = True
vif_plugging_timeout = 300
resume_guests_state_on_host_boot = True


The same setting can be added with
; w/ g. J. w; Z; v& P! T  dsudo openstack-config --set /etc/nova/nova.conf DEFAULT allow_resize_to_same_host True
Display the value set:
. }, ]1 C! u/ y, l$ openstack-config --get /etc/nova/nova.conf DEFAULT allow_resize_to_same_host  True

! G6 [" B* ~$ `+ E# x8 ARestart OpenStack Nova services.
for service in compute api scheduler; do
  sudo systemctl restart openstack-nova-${service}.service
done
, p: a( F( p# ?; W; S% U5 P7 ZRetry instance resizing.