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[root@masternfs ~]
# yum install -y gcc gcc-c++ make perl kernel-devel kernel-headers flex drbd84-utils kmod-drbd84
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[root@masternfs ~]
# tar zxvf drbd-8.4.4.tar.gz
[root@masternfs ~]
# cd drbd-8.4.4
[root@masternfs ~]
# ./configure --prefix=/usr/local/drbd --with-km #--with-km，启用内核模块
[root@masternfs ~]
# make KDIR=/usr/src/kernels/2.6.32-358.23.2.el6.x86_64/ #指定内核源码路径
[root@masternfs ~]
# make install
[root@masternfs ~]
# chkconfig --add drbd
[root@masternfs ~]
# chkconfig drbd on
[root@masternfs ~]
# cp drbd/drbd.ko /lib/modules/`uname -r`/kernel/lib/ #加载DRBD模块到内核中
[root@masternfs ~]
# modprobe drbd
[root@masternfs ~]
# lsmod |grep drbd #由此查看drbd模块已经加载
drbd 333755 0
libcrc32c 1246 1 drbd
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[root@masternfs ~]
# cd /usr/local/drbd/
[root@masternfs ~]
# vi /usr/local/drbd/etc/drbd.d/global_common.conf
global {
usage-count
yes
;
}
common {
protocol C;
disk {
on-io-error detach;
}
syncer {
rate 100M;
}
}
resource web {
on masternfs {
device
/dev/drbd0
;
disk
/dev/sdb1
;
address 192.168.0.202:7899;
meta-disk internal;
}
on backupnfs {
device
/dev/drbd0
;
disk
/dev/sdb1
;
address 192.168.0.203:7899;
meta-disk internal;
}
}
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[root@masternfs ~]
# drbd admcreate-md web
Writing meta data...
initializing activity log
NOT initializing bitmap
New drbd meta data blocksuccessfully created.
success
[root@masternfs ~]
# mkdir -p /usr/local/drbd/var/run/drbd #创建资源目录
[root@masternfs ~]
# service drbd start
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[root@masternfs ~]
# cat /proc/drbd
version: 8.4.4(api:1
/proto
:86-101)
GIT-
hash
:599f286440bd633d15d5ff985204aff4bccffadd build by phil@Build64R6, 2013-10-1415:33:06
0: cs:Connected ro:Secondary
/Secondaryds
:UpToDate
/UpToDate
C r-----
ns:64 nr:112 dw:176 dr:6088 al:1 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1wo:f oos:0
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[root@masternfs ~]
# drbdadm -- --overwrite-data-of-peer primary web
[root@db-backup ~]
# drbdadm secondary web #backupnfs服务器设置从节点
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[root@masternfs ~]
# drbd-overview
0:mysql
/0
Connected Primary
/Secondary
UpToDate
/UpToDate
C r-----
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[root@masternfs ~]
# mkfs.ext4 /dev/drbd0
[root@masternfs ~]
# mkdir /web
[root@masternfs ~]
# mount /dev/drbd0 /web
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[root@masternfs ~]
# yum install -y nfs-utils
[root@masternfs ~]
# vi /etc/exports
/web
192.168.0.0
/24
(rw,no_root_squash)
[root@masternfs ~]
# service rpcbind start
[root@masternfs ~]
# service nfs start
[root@masternfs ~]
# chkconfig rpcbind on
[root@masternfs ~]
# chkconfig nfs on
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[root@masternfs ~]
# yum install heartbeat* -y
[root@masternfs ~]
# cd /usr/share/doc/heartbeat-3.0.4/
[root@masternfsheartbeat-3.0.4]
# cp ha.cf authkeys haresources /etc/ha.d/
[root@masternfsheartbeat-3.0.4]
# cd /etc/ha.d/
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[root@masternfs ha.d]
# vi ha.cf
logfile
/var/log/ha-log
logfacility local0
#如果未定义上述日志，默认写入/var/log/message
keepalive 2
#心跳间隔
deadtime 30
#死亡阀值
warntime 10
#警告时间
initdead 120
#首次启动heartbeat，等待多久才启动主服务资源
udpport 694
#连接端口
bcast eth0
#使用什么方式组织心跳，最好用ucast方式
auto_failback off
#当主节点故障恢复后，自动获取资源并取代从节点
node masternfs
#主节点主机名
node backupnfs
#备份节点主机名
ping
192.168.0.1
#选择ping节点，ping的越好对HA集群越稳定，建议使用网关
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[root@masternfs ~]
# vi /etc/ha.d/authkeys
auth 2
2 sha1 HI!
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[root@masternfs ~]
# masternfs IPaddr::192.168.0.204/24/eth0 drbddisk::web Filesystem::/dev/drbd0::/web::ext4 killnfsd
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[root@masternfs ~]
# echo "killall -9 nfsd ; /etc/init.d/nfs restart ; exit 0" >>/etc/ha.d/resource.d/killnfsd
[root@masternfs ~]
# chmod +x /etc/ha.d/resource.d/killnfsd
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[root@masternfs ~]
# chmod 600 /etc/ha.d/authkeys #不修改权限会报错
[root@masternfs ~]
# service heartbeat start
[root@masternfs ~]
# chkconfig heartbeat on
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