Interpretation of Keepalived High Availability Mechanism

Interpretation of Keepalived High Availability Mechanism For the Keepalived installation, please refer to the previous article: High availability haproxy + kept installation and deployment configuration preface: In the previous article, I introduced how to install the keepalived+HAProxy service. This article mainly interprets the high avai ...

Posted by jdlev on Thu, 23 Sep 2021 11:27:43 +0200

OpenStack wallaby installation - keystone installation of basic services

1, Install and configure the keystone(controller) component of the service token function Overview of Keystone OpenStack identity services provide a single point of integration for managing authentication, authorization, and service catalogs. Identification service is usually the first service with which users interact. After authentication, e ...

Posted by jscruggs on Mon, 20 Sep 2021 10:58:46 +0200

OpenStack wallaby installation - Basic Service neutron installation

Installing and configuring controller nodes precondition Before configuring OpenStack network (neutron) services, you must create databases, service credentials, and API endpoints. To create a database, complete the following steps: Connect to the database server as root using the database access client: mysql -u root -p To create a neutro ...

Posted by sheephat on Mon, 20 Sep 2021 00:14:01 +0200

[CEPH] / etc / init.d/ceph: OSD. 1 not found (/ etc / CEPH / ceph.conf definitions, / var / lib / CEPH definitions) solution

Error reporting description The status of a stored osd is down, but when we start this osd, the following error will be reported [in fact, this osd must exist] [root@stor-21 ~]# service ceph start osd.1 /etc/init.d/ceph: osd.1 not found (/etc/ceph/ceph.conf defines , /var/lib/ceph defines ) Information verification osd status Command: ...

Posted by olsrey on Fri, 17 Sep 2021 14:41:42 +0200

4 Openstack-Ussuri-Keystone cluster deployment-centos8

The main functions of Keystone are as follows: 1 manage users and their permissions; 2. Maintain the Endpoint of OpenStack service; 3 Authentication and authentication. 4.1 configure Keystone database #Create database in any control node, the database is automatically synchronized, take controller 1 ...

Posted by Sooz719 on Thu, 18 Jun 2020 05:36:15 +0200

CentOS 7.4 installation and deployment openstack [Liberty version]

Next blog CentOS 7.4 installation and deployment openstack [Liberty version] (I) , this part continues to cover the following parts 1, Add block device storage service 1. Service Description: OpenStack block storage service provides block storage for instances. The allocation and consumption of storage is determined by block storage driv ...

Posted by edikasim81 on Mon, 27 Apr 2020 07:21:58 +0200

OpenStack deployment (using openvswitch) node specific configuration information

The overall installation steps are as followshttps://blog.csdn.net/networken/article/details/80682437 The deployment linked to the queens version can be changed to the corresponding version (other version packages corresponding to the queens version need to be installed) In the process of deploying the network nodes in the link, ...

Posted by LostKID on Mon, 11 Nov 2019 22:01:54 +0100

Four Service Components and openstack Environment for openstack

Virtual Machine Creation Flowchart for opensatck Four services and component functions of openstack 1. Some concepts of keystone certification service 1)User: Users using openstack 2)Role: Add a user to a role and give the user permission to operate 3)Tenant: A collection of resources owned by a person, project, or organization, with multip ...

Posted by CyberShot on Fri, 28 Jun 2019 19:54:56 +0200