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redhat doc setup on central node # stop firewalld selinux... iptables -F ip6tables -F setenforce 0 systemctl --now disable firewalld #systemctl stop NetworkManager # start ovn systemctl start openvswitch systemctl start ovn-northd ovn-sbctl set-connection ptcp:6642 ovn-nbctl set-connection ptcp:6641 ovs-vsctl set Open_vSwitch . external-ids:o...

redhat doc shared storage setup 虚拟机迁移需要用到额外的共享存储。 迁移的过程中，源端把虚拟机内存和设备信息拷贝到共享存储上，目的端再从共享存储中获取。 可以搭建一个nfs服务器，让nfs服务器export /var/lib/libvirt/images,然后把迁移源端和目的端的/var/lib/libvirt/images目录都mount到nfs服务器。 这里面/var/lib/libvirt/images是创建虚拟机时指定的disk path，也可以使用其他路径。 因为机器有限，我这里把nfs服务放到源端。 # 启动nfs [root@hp-dl388g8-22 ~]# echo "/var/lib/libvirt/images *.redhat...

topo +-----------------------------------------------------------------------------------------------------------------------+ |ts1 | | ...

topo outside | | | | | +-----------------------------------------+--------------------------------...

topo outside | | | | | +-----------------------------------------+--------------------------------...

topo +-----------------------------------------------------+ +-----------------------------------------------------+ |ls1 | |ls2 | | | | ...

参考 topo outside network | | | +----------------+------------------------------+ | eth1 | | | | sw outside | | | | ...

参考 topo outside network | | | +----------------+------------------------------+ | eth1 | | | | sw outside | | | | ...