ODBC-oriented Data access interface. They are combined with easy-to-use DAO styles and provide an interface, shows the underlying functions and flexibility of all ODBC databases. Although RDO is restricted in its access to Jet or ISAM databases, it can only access relational databases through the existing ODBC driver. However, RDO has proved to be the best interface that many SQL Server, Oracle, and other
, create the corresponding repo file, take the Icehouse file as an example, create a rdo-release.repo file (one thing to note is that the container name in centos_local_repo must be base, the container name in epel_local_repo must be epel. You can start anything else)
[openstack-icehouse]name=OpenStackIcehouse Repositorybaseurl=ftp://192.168.40.148/icehouseenabled=1gpgcheck=0
Upload the generated repo file
During the installation process, a source problem was encountered and the Web page for the package could not be found: reopen the preloaded source address, open the Epel-openstack-havana.repo file, and display the following:# Place this file in Your/etc/yum.repos.d/directory[openstack-havana]name=openstack Havana Repository for EPEL 6baseurl= http://repos.fedorap
Lift the installation of OpenStack, the whole people feel bad, for nearly a week time also failed to fix Redhat, CentOS 6.5 system installation, finally changed to CentOS7.0 last installation success. In order to later less detours, write down their own dull footsteps.The first time you install OpenStack, the server you get is a Redhat6.5 system with a CentOS6.5 system disc in hand. Developers are very lazy
Note:Reference official:http://docs.openstack.org/mitaka/install-guide-rdo/environment-packages.htmlOpenStack is an open source cloud computing platform that supports all types of cloud environments. The purpose of the project is to achieve simple, large scale scalability, and a rich feature set. Cloud computing expert projects from around the world contribute. OpenStack is an open source cloud computing pl
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The ha of OpenStack
virtual machine ha
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application level ha,heat ha template
component ha
mysql ha
Three ways-master-slave synchronization, Main and Standby mode
three ways of two
This tutorial is based on the Ubuntu12.04 edition, and it will help readers build a openstack minimized installation. I am the top of the Wuyue, translation more use of transliteration method, so the individual words and the original discrepancy, please understand. I am not a major in English, I think the most important thing is to understand the technology, and not the four level and grind in the boring English-Chinese translation, so my goal is loya
As a core tutorial for OpenStack, we have come to the final summary.
OpenStack currently has dozens of modules, this tutorial discusses the most important core modules: Keystone,nova,glance,cinder and neutron. Please look at the following figure:
This figure is truncated from https://www.openstack.org/software/project-navigator/, which is the official 6 Core Service defined by
Thank you for your friends to support this blog, welcome to discuss the exchange, due to limited capacity and time, mistakes are unavoidable, please correct me!If reproduced, please keep the source author blog information.Better Me Blog: Blog.csdn.net/tantexianIf you need to communicate, welcome to blog message.CentOS 6.5 builds local OpenStack software sourceMkdir-p/home/yum/openstack/
The entire life cycle of instance from creation to deletion is managed by Nova. In the following sections, we take the different operational scenarios in the instance life cycle as an example to analyze in detail how the different Nova components work together and deepen your understanding of Nova through log analysis.Before we study Nova's operations, let's start by learning one important thing: the OpenStack logs.OpenStack's log records very detaile
Problems solved when installing OpenStack software package under CentOS 6
About how to install the OpenStack software package in CentOS6 and how to solve it.
Install the openstack icehouse Source:
# Yum install yum-plugin-priorities-y
# Yum install http://repos.Fedorapeople.org/repos/openstack/
650) this.width=650; "Title=" http://7xo6kd.com1.z0.glb.clouddn.com/ Upload-ueditor-image-20160424-1461498453349065819.png "src=" http://7xo6kd.com1.z0.glb.clouddn.com/ Upload-ueditor-image-20160424-1461498585905023822.jpg "alt=" Image143.5.png "style=" border:0px; "/>API front-end servicesEach OpenStack component may contain several sub-services, which must have an API service that is responsible for receiving customer requests.In Nova, for example,
package to enable the EPEL repository:
# Yum installhttp: // dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm
Install the rdo-release-juno package to enable the RDO repository:
# Yum installhttp: // rdo.fedorapeople.org/openstack-juno/rdo-release-juno.rpm
Upgrade the packages on your system:
# Yu
first, the basic knowledge of OpenStackOpenStack is a free software and open source project that was developed and initiated by NASA and Rackspace to Apache2.0 licenses (compatible with GPLv3 and DFSG).OpenStack is an open source cloud computing management Platform project, composed of several major components to accomplish specific tasks. OpenStack supports almost all types of cloud environments, and the p
Download the official OpenStack document for installation (Icehouse Juno Kilo), according to the official documentation, download two RPM packages, for example, I want to build OpenStack Icehouse on centos6.5, need two installation packages, EPEL-RELEASE-6.8-NOARCH.RPM source package, in one is rdo-release--icehouse-4-src.rpm opened under window. Check the config
optimal block storage node for the storage instance.
Cinder-backup: Daemon. The service provides any kind of backup volume to a backup storage provider. Like the ' cinder-volume ' service, it interacts with a variety of storage providers in the driver architecture.
Cinder database configuration and registration servicesHttp://docs.openstack.org/mitaka/zh_CN/install-guide-rdo/cinder-controller-install.htmlCreate a database and authorize:Maria
Reply content:
1, language advice: Learn python.
OpenStack is a pure Python project, so you have to be familiar with the syntax, debugging, and invocation of Python. Like what:
PDB: Base use, breakpoint, call stack
LOG: Call stack printing, function import parameter printing, bottom command printing
Python open source frameworks, components: such as SQLAlchemy, Django
Object-oriented: Clear abstraction, inheritance, polymorphism, comp
Php Chinese network (www.php.cn) provides the most comprehensive basic tutorial on programming technology, introducing HTML, CSS, Javascript, Python, Java, Ruby, C, PHP, basic knowledge of MySQL and other programming languages. At the same time, this site also provides a large number of online instances, through which you can better learn programming... Reply content:
1. language advice: learn python well.
OpenStack is a pure python project, so you mu
Openstack official website content: http://docs.openstack.org/grizzly/openstack-object-storage/admin/content/
Because I only focus on the part of openstack Object Storage, I did not write anything related to other modules (or I am relatively lazy). I may add it if necessary in the future.
The translation level is limited. If a netizen finds an error during re
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