Rapid installation and deployment of DRBD

Rapid installation and deployment of DRBD

DRBD is favored by O & M personnel for its open source, simple, efficient, and outstanding performance. The main function is to synchronize Images Between Two device blocks of the same size on different nodes. Drbd is composed of kernel modules and related scripts to build highly available clusters. This article describes the installation method for your reference.

For details about the features, functions, and basic knowledge of DRBD, refer to DRBD principles and features.

I. Demo Environment
OS Version: CentOS release 6.5 (Final)
Orasrv1: 192.168.21.10
Orasrv2: 192.168.21.13
DRBD Version: 8.3.15 (api: 88)

Ii. Install drbd in yum mode (two nodes)
1. Use yum to install
Configure the epel source, which can be downloaded from here or obtained directly using wget.
Http://download.Fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
# Wget http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
# Rpm-Uvh epel-release-6-8.noarch.rpm
# Yum-y install drbd83 kmod-drbd83
# Modprobe drbd
# Lsmod | grep drbd
Drbd 345363 0
2. For the configuration section, refer to the third point of compiling method to install drbd 4th.
### Note: the directory of the drbd configuration file varies with the yum method.
### Place the drbd. conf file in the/etc directory, and store the remaining two configuration files in the/etc/drbd. d directory 1
Iii. Install drbd by compiling
1. Install the user space tool (two points)
# Yum-y install kernel-devel kernel-headers flex gcc
# Pwd
Usr/local/src ### storage location of drbd compressed files
# Tar-xvf drbd-8.3.15.tar.gz
# Cd drbd-8.3.15
#./Configure -- prefix =/usr/local/drbd -- with-km
# Make KDIR =/usr/src/kernels/2.6.32-431. el6.x86 _ 64/
# Make install
# Ls/usr/local/drbd/# view the installed file
Etc lib sbin share var

# Cp/usr/local/drbd/etc/rc. d/init. d/drbd/etc/init. d/drbd
# Chkconfig -- add drbd
# Chkconfig drbd on1
2. Install the drbd module (two nodes)
# Cd/usr/local/src/drbd-8.3.15/drbd
# Make clean
# Make KDIR =/usr/src/kernels/2.6.32-431. el6.x86 _ 64/
# Cp drbd. ko/lib/modules/'uname-R'/kernel/lib/
# Depmod
# Modprobe drbd ### load the drbd module to the Linux Kernel
Note:/usr/src/kernels/2.6.18-274.18.1.el5-i686/the kernel source code tree path needs to be modified according to your system.
3. Verify that the drbd kernel is loaded (two nodes)
# Lsmod | grep drbd
Drbd 345363 0

4. Configure the system disk (two nodes)
### Author: Leshami
### Blog:

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