> I just installed OpenVZ on CentOS 6.x 64 bit following this guide a > few days ago. > > http://openvz.org/Quick_Installation_CentOS_6 > > I am mostly interested in creating containers with veth interfaces so > I can assign multiple public IPv4 and IPv6 addresses from inside the > container. I noticed that when I am logged into the CentOS physical > server with putty through ssh I can start a container that has a veth > interface with 'vzctl start 102' and it starts just fine. I can ping > its IPv4 and IPv6 addresses just fine. However when I issue 'vzctl > stop 102' my putty ssh connection to the OpenVZ server is dropped and > I must reconnect. I am able to reconnect just fine. Again, I am > logged into the OpenVZ master not the container. > > Can anyone tell me what is going on here? After further testing I > determined it does not always do it. The first time I stop a > container after I reboot the master, physical server, it seems most > prone to act up. > > ######### just did reboot 30 minutes ago or so............ > > [root@ex1 ~]# vzlist > CTID NPROC STATUS IP_ADDR HOSTNAME > 103 92 running - server.example456.com > [root@ex1 ~]# vzctl start 102 > Starting container... > Container is mounted > Setting CPU units: 1000 > Setting CPUs: 1 > Configure veth devices: veth102.0 > Adding interface veth102.0 to bridge vmbr0 on CT0 for CT102 > Container start in progress... > [root@ex1 ~]# vzlist > CTID NPROC STATUS IP_ADDR HOSTNAME > 102 19 running - server102.example.com > 103 92 running - server.example456.com > [root@ex1 ~]# vzctl stop 102 > Stopping container ... > > ############## Here is where I get kicked off putty/ssh......
[root@ex1 ~]# rpm -qa |grep vz e2fsprogs-resize2fs-static-1.42.3-3.2.ovz.x86_64 vzstats-0.5.2-1.noarch vzkernel-2.6.32-042stab084.20.x86_64 vzkernel-2.6.32-042stab084.17.x86_64 vzctl-core-4.6.1-1.x86_64 vzquota-3.1-1.x86_64 vzctl-4.6.1-1.x86_64 This is how interfaces are setup. http://openvz.org/Quick_Installation_CentOS_6 [root@ex1 ~]# cat /etc/sysctl.conf |grep -v "#" net.ipv4.ip_forward = 1 net.ipv6.conf.default.forwarding = 1 net.ipv6.conf.all.forwarding = 1 net.ipv6.conf.all.proxy_ndp = 1 net.ipv4.conf.default.proxy_arp = 0 net.ipv4.conf.all.rp_filter = 1 net.ipv4.conf.default.send_redirects = 1 net.ipv4.conf.all.send_redirects = 0 net.ipv4.conf.default.rp_filter = 1 net.ipv4.conf.default.accept_source_route = 0 kernel.sysrq = 1 kernel.core_uses_pid = 1 net.ipv4.tcp_syncookies = 1 net.bridge.bridge-nf-call-ip6tables = 1 net.bridge.bridge-nf-call-iptables = 1 net.bridge.bridge-nf-call-arptables = 0 kernel.msgmnb = 65536 kernel.msgmax = 65536 kernel.shmmax = 68719476736 kernel.shmall = 4294967296 [root@ex1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE="eth0" ONBOOT="yes" IPV6INIT="yes" TYPE="Ethernet" BRIDGE="vmbr0" [root@ex1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-vmbr0 DEVICE="vmbr0" BOOTPROTO="static" IPV6INIT="yes" ONBOOT="yes" TYPE="Bridge" DELAY=0 IPADDR=x.x.x.38 NETMASK=255.255.255.0 GATEWAY=x.x.x.1 DNS1=x.x.x.4 #DEFROUTE=yes IPV6_AUTOCONF=no IPV6_DEFAULTGW=xxxx:xxxx::1 IPV6ADDR=xxxx:xxxx::38/64 DNS2=xxxx:xxxx::4 #IPV6_DEFROUTE=yes Everything updated to latest with yum. Clean install with only OpenVZ added. _______________________________________________ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo/users