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To provide scale, distributed deployment, resource optimization, and AWS-compatible capabilities, OpenStack introduces four concepts for region,cell,availability zone (AZ) and Host aggregates zone (HAZ), where Regio N and AZ were introduced from the

: Download full MP4 video1. Summary of Churyang Enterprise Cloud can start with disaster preparedness cloud To make applications highly available and resilient, the cloud platform itself should provide disaster preparedness and HA

Android time acquisition and use, android Time AcquisitionWhen compiling an Android network program, you will inevitably encounter inaccurate mobile phone time. This article summarizes some common time acquisition and Correction Methods: for

: Full MP4 VideoSpeaker: Dr. Xia.1. Churyang's understanding Startups need fast, multi-, good, and provincial technology architectures Fast: fast access to resources and services for business needs Many: Have a wealth of

JavaScript Learning record day9-Standard object[TOC]In the JavaScript world, everything is an object.Some objects, however, are not the same as other objects. To distinguish the type of an object, we use the typeof operator to get the type of the

After studying the neutron, continue Nova's peripheral study tour. This site is a research block storage service cinder.0. Verifying the EnvironmentThe environment includes:1, a controller node, running NOVA-API, Nova-scheduler, Cinder-api,

Exploring AWS and azure in cloud computing (3) -- Amazon EC2 and Windows azure Virtual Machine   Today, I will compare the differences between AWS EC2 and azure VM processes. And compare some of their basic differences in the network

General The default loglevel of many projects is set to warning, set verbose = true in the configuration file, equivalent to loglevel = Info; DEBUG = true, equivalent to loglevel = Debug. (https://bugs.launchpad.net/oslo/+bug/989269) Nova

Rsync needs to be installed on the client and server side, some distributions of Linux systems are installed by default and available: Rpm-qa rsync for queriesOne, server-side configuration (192.168.1.1):1.The default rsync is that there is no

[TOC]Introduction to Kubernetes DispatchingIn addition to having the Kubernetes cluster scheduler automatically select a node for the pod resource (the default schedule is that the resources are sufficient and the load is as average as possible),