OpenStack (Grizzly, Folsom) に仮想マシンにて特定の通信が出来ない不具合がある。理由は GRE トンネル時に Ethernet の最大フレーム長を超えてしまうため。(@ishikawa84g さんに教えて頂きました。)
解決策として
- VM の MTU を小さくする
- トンネルポート, 物理ポート, 物理スイッチの MTU を小さくする
- フラグメントを許容する
Vyatta Core 6.6 R1 を NAT, PPPOE ルータにして使っている時、画像ファイルの | |
表示が異様に遅い。6.5 くらいからこの症状が出ている模様。 | |
下記の対処を行った結果、問題が改善された。 | |
このように policy を記述し... | |
# show policy | |
route PPPOE-IN { |
Emacs + Mew で Gmail を読み書きする方法 | |
==== | |
Gmail を Emacs + Mew で読み書きする方法をメモしておきます。Gmail はブラウザで | |
読み書き出来るのに!と思われるかもしれませんが、Emacs で文章が書けるのは素晴ら | |
しいことです。:D | |
対象 OS | |
---- |
2013-10-07 13:58:07.638 15990 ERROR neutron.common.legacy [-] Skipping unknown group key: firewall_driver | |
2013-10-07 13:58:08.010 15990 WARNING neutron.api.extensions [-] Extension security-group not supported by any of loaded plugins | |
2013-10-07 13:58:08.015 15990 WARNING neutron.api.extensions [-] Extension vpnaas not supported by any of loaded plugins | |
2013-10-07 13:58:08.016 15990 WARNING neutron.api.extensions [-] Extension lbaas not supported by any of loaded plugins | |
2013-10-07 13:58:08.016 15990 WARNING neutron.api.extensions [-] Extension service-type not supported by any of loaded plugins | |
2013-10-07 13:58:08.021 15990 WARNING neutron.api.extensions [-] Extension fwaas not supported by any of loaded plugins | |
2013-10-07 13:58:08.022 15990 WARNING neutron.api.extensions [-] Extension lbaas_agent_scheduler not supported by any of loaded plugins | |
2013-10-07 13:58:08.023 15990 WARNING neutron.api.extensions [-] Extension routed-service-insertion not supported by any of loaded plugins | |
2013-10-07 13:58:08.023 15 |
とりあえず動く dhcp_agent.ini | |
[DEFAULT] | |
dhcp_agent_manager = neutron.agent.dhcp_agent.DhcpAgentWithStateReport | |
interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver | |
ovs_use_veth = False | |
root_helper = sudo /usr/local/bin/neutron-rootwrap /etc/neutron/rootwrap.conf | |
use_namespaces = True |
[DEFAULT] | |
logdir=/var/log/nova | |
state_path=/var/lib/nova | |
lock_path=/run/lock/nova | |
verbose=true | |
api_paste_config=/etc/nova/api-paste.ini | |
compute_scheduler_driver=nova.scheduler.simple.simplescheduler | |
rabbit_host=10.200.10.57 | |
nova_url=http://10.200.10.57:8774/v1.1/ | |
#sql_connection=mysql://novauser:novapass@10.200.10.57/nova |
[DEFAULT] | |
rootwrap_config = /etc/cinder/rootwrap.conf | |
sql_connection = mysql://cinderuser:cinderpass@10.200.10.57/cinder | |
api_paste_confg = /etc/cinder/api-paste.ini | |
#iscsi_helper = tgtadm | |
iscsi_helper = ietadm | |
volume_name_template = volume-%s | |
volume_group = cinder-volumes | |
verbose = True | |
auth_strategy = keystone |
$ gem install fog | |
Fetching: builder-3.2.2.gem (100%) | |
Successfully installed builder-3.2.2 | |
Fetching: excon-0.27.6.gem (100%) | |
Successfully installed excon-0.27.6 | |
Fetching: formatador-0.2.4.gem (100%) | |
Successfully installed formatador-0.2.4 | |
Fetching: multi_json-1.8.2.gem (100%) | |
Successfully installed multi_json-1.8.2 | |
Fetching: mime-types-1.25.gem (100%) |
network $ sudo ovs-vsctl list interface br-tun | |
[sudo] password for thirai: | |
_uuid : 74fbe10f-5b52-4594-86a6-e5bf4af2d4a4 | |
admin_state : up | |
cfm_fault : [] | |
cfm_fault_status : [] | |
cfm_health : [] | |
cfm_mpid : [] | |
cfm_remote_mpids : [] | |
cfm_remote_opstate : [] |
Oct 24 12:09:42 grizzly0403 ovs-vsctl: 00001|vsctl|INFO|Called as /usr/bin/ovs-vsctl --timeout=2 -- --if-exists del-port br-int patch-tun | |
Oct 24 12:09:42 grizzly0403 ovs-vsctl: 00001|vsctl|INFO|Called as /usr/bin/ovs-vsctl --timeout=2 -- --if-exists del-port br-int int-br-eth1 | |
Oct 24 12:09:42 grizzly0403 kernel: [62806.932529] device int-br-eth1 left promiscuous mode | |
Oct 24 12:09:42 grizzly0403 kernel: [62806.949230] kvm: 9522: cpu0 unhandled wrmsr: 0x38f data f | |
Oct 24 12:09:42 grizzly0403 ovs-vsctl: 00001|vsctl|INFO|Called as /usr/bin/ovs-vsctl --timeout=2 -- --if-exists del-port br-eth1 phy-br-eth1 | |
Oct 24 12:09:42 grizzly0403 kernel: [62806.973292] device phy-br-eth1 left promiscuous mode | |
Oct 24 12:09:43 grizzly0403 ovs-vsctl: 00001|vsctl|INFO|Called as /usr/bin/ovs-vsctl --timeout=2 -- --may-exist add-port br-int int-br-eth1 | |
Oct 24 12:09:43 grizzly0403 kernel: [62807.126934] device int-br-eth1 entered promiscuous mode | |
Oct 24 12:09:43 grizzly0403 ovs-vsctl: 00001|vsctl|INFO|Called as /usr/bin/ovs-vsctl --ti |