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Yyds dry goods inventory rapid establishment of CEPH cluster

2022-06-21 07:39:00 【Feng, crazy】

1.cpeh node

Both virtual machines and physical machines can

     ip

       name

     node

    192.168.11.1

ceph01

    master

    192.168.11.2

ceph02

     slave

    192.168.11.3

ceph03

     slave

      
      

       
       192.168.11.1 ceph01
       
       
    192.168.11.1 ceph02
       
       
    192.168.11.3 ceph03
       
       
    
       
       
    echo "192.168.11.1 ceph01" >> /etc/hosts &&
       
       
    echo "192.168.11.2 ceph02" >> /etc/hosts &&
       
       
    echo "192.168.11.3 ceph03" >> /etc/hosts
       
       
    
       
       
     modify hostname  Three machines are modified accordingly 
       
       
    hostnamectl set-hostname ceph01
      
      

      
      
    
       
       
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2. Replace yum Source （ All nodes ）

      
      

       
       yum install wget -y
       
       
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
       
       
&& 
       
       
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
       
       
&&
       
       
wget -O /etc/yum.repos.d/ceph.repo https://raw.githubusercontent.com/aishangwei/ceph-demo/master/ceph-deploy/ceph.repo
      
      

      
      
    
       
       
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3.ssh Password free login settings （master node ）

      
      

       
       ssh-keygen 
       
       
ssh-copy-id [email protected]
       
       
ssh-copy-id [email protected]
       
       
ssh-copy-id [email protected]
       
       

       
       
// Clear the secret free 
       
       
ssh-keygen -R ceph01
      
      

      
      
    
       
       
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4. install ceph—deploy Follow ceph

      
      

       
       yum install ceph-deploy ceph python-setuptools -y （ Master node ）
       
       
    yum install ceph python-setuptools -y （slave node ）
       
       
    ceph -v
      
      

      
      
    
       
       
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Must ensure ceph Versions, , Otherwise, there will be problems in subsequent use ,

The latest version 13.2.10

#yyds Dry inventory # Quickly build ceph colony _ setup script


 5. establish mon（master node ）

      
      

       
       // Each node creates a directory , There is no creation , To exist is to enter 
       
       
mkdir /etc/ceph
       
       
cd /etc/ceph
       
       
ceph-deploy new ceph01 ceph02 ceph03
       
       
ceph-deploy install ceph01 ceph02 ceph03 // Occurs during installation ca Certificate problem   Look at my other article 
       
       
ceph-deploy mon create-initial
       
       
ceph -s
      
      

      
      
    
       
       
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#yyds Dry inventory # Quickly build ceph colony _3c_02


6. establish osd（master node ）

First create three disks to mount three machines , The physical machine is similar to the physical machine by creating a disk mount ( My virtual machine )

      
      

       
       cd /home/vm/disk // There is no such Directory , Create yourself , Or change the directory 
       
       
qemu-img create -f raw /home/vm/disk/vm1-d1.img 100G
       
       
qemu-img create -f raw /home/vm/disk/vm2-d1.img 100G
       
       
qemu-img create -f raw /home/vm/disk/vm3-d1.img 100G
       
       

       
       
//vm1 As an example of mounting （vm2、vm3 Same as ）
       
       
// Shut down the virtual machine before mounting 
       
       
virsh destroy vm1
       
       
virsh edit vm1
       
       
// Add the configuration 
       
       
<disk type='file' device='disk'>     
       
       
  <driver name='qemu' type='raw' cache='none'/>      
       
       
  <source file='/home/vm/disk/vm1-d1.img'/>      
       
       
  <target dev='vdb' bus='ide'/>    
       
       
</disk>
       
       
virsh start vm1
       
       
// Sign in vm1（master node ）
       
       
ssh vm1
       
       
fdisk -l
       
       
//  Format disk 
       
       
mkfs -t xfs /dev/sda
      
      

      
      
    
       
       
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       ceph-deploy osd create --data /dev/sda ceph01
       
       
ceph-deploy osd create --data /dev/sda ceph02
       
       
ceph-deploy osd create --data /dev/sda ceph03
       
       
ceph-deploy mgr create ceph01 ceph02 ceph03
      
      

      
      
    
       
       
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7. see ceph state 

      
      

       
       ceph -s
       
       
ceph health detail
       
       
// There is a time problem , Please do time synchronization 
       
       
// modify ntp Time 
       
       
yum install ntpdate -y
       
       

       
       
ntpdate cn.pool.ntp.org
       
       
ntpdate ceph01 
       
       
// restart mon service 
       
       
systemctl restart ceph-mon.target &&
       
       
systemctl restart ceph-osd.target
      
      

      
      
    
       
       
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#yyds Dry inventory # Quickly build ceph colony _ setup script _03


8. Delete ceph 

In case of any problem that cannot be solved during installation, you can choose to reinstall 

      
      

       
       yum remove ceph-deploy ceph python-setuptools -y （ Master node ）
       
       
  yum remove ceph python-setuptools -y （ All nodes ）
       
       
  rm -rf /etc/ceph
      
      

      
      
    
       
       
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9. Installation visualization interface 

      
      

       
       ceph config set mgr mgr/dashboard/ssl false
       
       
ceph config-key put mgr/dashboard/server_port 8080
       
       
ceph mgr services
      
      

      
      
    
       
       
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#yyds Dry inventory # Quickly build ceph colony _python_04

See me for details dashboard This article

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版权声明
本文为[Feng, crazy]所创，转载请带上原文链接，感谢
https://yzsam.com/2022/02/202202221500013734.html

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