[root@node1 src]# wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
[root@node1 src]# rpm -ivh epel-release-6-8.noarch.rpm
warning: epel-release-6-8.noarch.rpm: Header V3 RSA/SHA256Signature, key ID 0608b895: NOKEY
Preparing... ########################################### [100%]
1:epel-release ########################################### [100%]
[root@node1 src]# rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
[root@node1 ~]# rpm -ivh http://elrepo.org/elrepo-release-6-5.el6.elrepo.noarch.rpm
[root@node1 ~]# yum list
yum install drbd kmod-drbd
////////////////centos 7////////////
rpm -ivh http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm
rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-elrepo.org
yum -y install drbd84-utils kmod-drbd84
1 主备
环境
1 安装好后初始化
////////创建元数据
1 drbdadm create-md <resource-name>
modprobe drbd
drbd-overview
lsmod |grep drbd
drbdadm status //查看状态
drbdadm primary --force <resource> //在主节点上面执行
mkfs.ext4 /dev/drbd0
mount /dev/drbd1 /data
drbdadm secondary/primary web //主备切换
///////////////测试//////////////
mkdir {500..600}
2 主主
问题1 ioctl(/dev/sdb1, BLKZEROOUT, [16449986560, 503808]) failed: Inappropriate ioctl for device
dd if=/dev/zero of=/dev/sdb1 bs=1M count=100
更多参考 http://blog.csdn.net/t1anyuan/article/details/52143789
