Setting up multi nodes live migration in Openstack Juno with devstack Summary Live migration overview Setup Openstack with devstack: one controller node, two compute nodes Configure migrations Live migration test Issue summary Live migration Overview…
Implementation theory The varargs facility works by first creating an array whose size is the number of arguments passed at the call site, then putting the argument values into the array, and finally passing the array to the method. // Simple use of…
reference from:http://www.codejava.net/frameworks/spring/sending-e-mail-with-spring-mvc Table of contents: 1.Spring framework’s support for e-mail 2.Required jar files 3.Creating e-mail sending form 4.Configuring SMTP server settings and Spring MVC 5…
原文地址:http://www.codejava.net/frameworks/spring/sending-e-mail-with-spring-mvc Table of contents: 1.Spring framework’s support for e-mail 2.Required jar files 3.Creating e-mail sending form 4.Configuring SMTP server settings and Spring MVC 5.Creating…
官网地址: https://www.mindspore.cn/install 所有依赖环境 进行sudo make install 安装,最终报错: 错误记录信息: cat /tmp/mindspore/build/mindspore/CMakeFiles/CMakeError.log Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output:Change Dir: /tm…
Set up your Open Stack There are several ways to deploy openstack, Devstack is easily for developer to deploy Open Stack. Please follow this URL to set up your Open Stack. http://docs.openstack.org/developer/devstack/ nested KVM support: Kernel First…
Using Vagrant to create vm nodes; devstack to start openstack using Opendaylight as ML2. Openstack with Opendaylight deployment Starting Openstack with Opendaylight has gotten a bit easier, but it is still something many folks have not done due to th…
Source: Connected Brain Figure above: Bullmore E, Sporns O. Complex brain networks: graph theoretical analysis of structural and functional systems.[J]. Nature Reviews Neuroscience, 2009, 10(3):186-198. Graph measures A graph G consisting of a set of…
1.创建数据库 [root@controller ~]# mysql -u root -p [root@controller ~]# CREATE DATABASE keystone; [root@controller ~]# GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost' IDENTIFIED BY 'PWS'; [root@controller ~]# GRANT ALL PRIVILEGES ON keystone.…
本系列会分析OpenStack 的高可用性(HA)概念和解决方案: (1)OpenStack 高可用方案概述 (2)Neutron L3 Agent HA - VRRP (虚拟路由冗余协议) (3)Neutron L3 Agent HA - DVR (分布式虚机路由器) (4)Pacemaker 和 OpenStack Resource Agent (RA) (5)RabbitMQ HA (6)MySQL HA 1. MySQL HA 方案 1.1 各种方案概述 Mysql HA 方案有很多种,…
FFMPEG版本:2.6.2,编译环境:ubuntu 14.4. 不同版本的FFMPEG参数可能不同,可在FFMPEG目录下使用以下命令查看 ./configure --help --help print this message --list-decoders show all available decoders --list-encoders show all available encoders --list-hwaccels show all available hardware ac…
自己翻译,加强理解.并学习英文和写作. 英文地址:http://docs.openstack.org/networking-guide/intro_basic_networking.html 目录: Basic networking Ethernet VLANs Subnets and ARP DHCP IP TCP/UDP/ICMP 基础网络 Ethernet以太网 Ethernet is a networking protocol, specified by the IEEE 802.3 s…
OpenStack 2014.1 (Icehouse) Release Notes General Upgrade Notes Windows packagers should use pbr 0.8 to avoid bug 1294246 The log-config option has been renamed log-config-append, and will now append any configuration specified, rather than completel…
OpenStack nova compute supports two flavors of Virtual Machine (VM) migration: Cold migration -- migration of a VM which requires the VM to be powered off during the migrate operation during which time the VM is inaccessible. Hot or live migration --…
Final Version 1.1 Date Issued: 13 March 2012 Latest version: http://www.imsglobal.org/lti/ IPR and Distribution Notices Recipients of this document are requested to submit, with their comments, notification of any relevant patent c…
