In the past ten years, RHEL has made RedHat the dominant position in the enterprise-level Linux market. Ten years later, RedHat hopes to build an IaaS solution on OpenStack to realize the company's leapfrog development. RedHat is now focusing on cloud computing and plans to use it as the main driving force to support its business development in the next decade. Only this time, the most prominent focus is that Redhat has successfully invested money in
Problem descriptionOpenStack J Version Centos7 deploymentRestart service when not to come, the log is not error, to glance services as an example, as follows:# systemctl start Openstack-glance-api.service openstack-glance-registry.serviceJob forOpenstack-glance-api.service failed. See' systemctl status Openstack-glance-api.service 'and' Journalctl-xn ' forDetail
Glance Mirroring Service:Glance consists of three main components: Glance-api, glance-registry, and image storeGLANCE-API: Accepts the creation, deletion, and read requests of the system image.Glance-registry: Mirrored registration Service for cloud systemsGlance installation:[[emailprotected] ~]# yum -y install openstack-glance python-glance python-glanceclient[[emailprotected] ~]# vim /etc/glance/glance-api.conf [database]connection=mysql://glance:[
Descriptive narrative of the problemOpenStack J Version Centos7 deploymentRestarting the service does not come up, the log does not error. Take the glance service as an example, such as the following:# systemctl start Openstack-glance-api.service openstack-glance-registry.serviceJob forOpenstack-glance-api.service failed. See' systemctl status Openstack-glance-ap
IntroductionOPS colleagues often encounter these four questions:
How does Nova count OpenStack computing resources?
Why FREE_RAM_MB, FREE_DISK_GB will be negative?
Even if FREE_RAM_MB, FREE_DISK_GB is negative, why is the virtual machine still able to create success?
The use of random scheduling due to insufficient resources will cause the virtual machine to fail, while the specified host can be created successfully?
This art
ArticleDirectory
About openstack
Today is Yasushi Hara's last class in this course. We strongly recommend openstack for a look. So, Google.
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OpenstackOfficial Website address
You can see an obvious figure on the homepage of the official website, showing the structure of openstack, as shown below:
As you can see,
A deployment model is mentioned in the "Installation Guide" provided by OpenStack official November 26, as shown in the650) this.width=650; "title=" image "style=" border-top:0px;border-right:0px;border-bottom:0px;border-left:0px; " Border= "0" alt= "image" Src= "http://s3.51cto.com/wyfs02/M01/54/3D/wKiom1R9JwnjdLtbAAJL-IxH2EM151.jpg" height= "452" />(Figure 1 OpenStack system architecture diagram)Figure 1
OpenStack is more than 4 years old, and each new version can meet some requirements and solve some problems. One of the biggest questions asked by enterprise users is: Can the same OpenStack cluster support multiple virtualization technologies at the same time (mutil-hypervisor)? the answer is, of course, yes!. Before we explain how to configure mutil-hypervisor, we need to understand what mutil-hypervisor
PrefaceThis article is an analysis of OpenStack docking VMware, so this article focuses on the following two points:
First understand its overall structure, and figure out why to use such a framework;
Then understand the various components in the architecture, the main functions provided by the component and the interaction between the various components
Overall ArchitectureFirst, learn about the overall architecture of
Maas and JuJu are Ubuntu products, recently want to play OpenStack, see if you can deploy an experimental environment, although finally found that Maas and juju pattern is very useful but the official documents to the thing is too little, here I do not list the specific installation steps, I can only say that the installation steps are simply too simple and do not require very complicated documentation at all.
The combination of Maas and juju with Con
OpenStack provides a wide range of network configuration environments. This article describes how to design a cloud system to consider and design network requirements.
If this is the first time you deploy a cloud system in your organization, please contact your network O M team after reading this section to learn about the current network conditions. The network used by the cloud system is different from the network deployment method used by the comm
The OpenStack kilo version was released on April 30, 2015, the 11th version of OpenStack, which has been in the past 5 years since the OpenStack project was launched. At this stage, OpenStack has been enhanced, and the OpenStack community has become the second largest open s
Tags: technology sharing deploy other chmod his ace dashboard edit imgFirst, the basic introductionThis experiment was to deploy OpenStack (Juno version) on virtual machine ubuntu14.04 (64bit,desktop) on VMware Workstation. The tool used is openshit.Openshit is a project on GitHub, see website:Https://github.com/windworst/openshit.Precautions:1. The environment is best for the new Ubuntu system, which may not have been successful if
IBM hopes that jumpgate can become the "space-time portal" between the private and public clouds of openstack ". Jumpgate is a middleware tool developed by IBM to solve the fragmentation problem of the cloud management ecosystem. It is used to attract more cloud service providers to support openstack applications (even if they do not deploy openstack)By connectin
Install openstack in centos 7.0
Reference official documents: http://docs.openstack.org/juno/install-guide/install/yum/content /#
Ip address information of three Nodes
Controller: 192.168.100.10
Network: 192.168.100.20
Compute1: 192.168.100.30
Modify the/etc/hosts file of each node
Test the connectivity between each node and openstack.org
Controller node
Configure NTP service
Yum install-y ntp
The vi/etc/ntp. conf file is modified as follows:
Serve
is a relatively messy note that needs to be sorted outHow to become an OpenStack contributorOpenStack is just a technical frameworkOpenStack FoundationTechnical Committee code management, Quality assuranceThe Board of Directors determines the future direction of OpenStack Platinum members, gold members, individual membersUser Committee collects the needs of different users for
This article organizes the basic process of submitting code to the OpenStack community, as well as some information about the community. If there is reprint, please indicate the source!Let's take a picture to illustrate the general flow of OpenStack code review:The process for submitting code changes to OpenStack is mainly as follows:
Configuring Git and
IBM and RedHat may soon join the OpenStack support camp, which will largely promote the development of this cloud open source code project. GigaOm first reported the news that IBM and RedHat will join the OpenStack team, but the news has not yet been confirmed by both companies and OpenStack. OpenStack is a cloud compu
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