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This article is to share with you what the Ceph distributed file sharing solution is, the editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article.

Preface

Hello, everyone! The Liunx software sharing brought to you this time is the famous Ceph distributed file system. The author learned that Ceph also encountered a problem, that is, when using Kubeneters, it is necessary to use the same set of files in each container, but the way of using NAS disk has to endure as long as 2 minutes to update or read, and there will also be the problem of file occupation failure. The author found Ceph after looking for a file system that combines well with Kuberneters, so start to build and use Ceph.

Attached:

Meow Mi's blog: w-blog.cn

Ceph official website: https://ceph.com/

1. Environmental preparation

First of all, three servers are needed to cluster. Ceph will make three files redundant by default to ensure that the files are not lost. The server IP address is as follows:

PS: the system version of Centos7 is used here

192.168.3.101 ceph-1192.168.3.102 ceph-2192.168.3.103 ceph-3

The installation using docker here should not facilitate deletion and retry for the convenience of polluting the environment during the installation process:

Yum install-y yum-utils device-mapper-persistent-data lvm2yum-config-manager-- add-repo https://download.docker.com/linux/centos/docker-ce.repoyum install-y docker-ce

You need to configure the domestic docker source to improve the speed and enable self-boot (you need to use your own Aliyun account to obtain the acceleration address)

Sudo mkdir-p / etc/dockersudo tee / etc/docker/daemon.json

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