Heartbeat+nfs+DRBD实验修改主机名 [root@jun ~]# vim /etc/sysconfig/network NETWORKING=yes NETWORKING_IPV6=yes HOSTNAME=node1.a.com [root@jun ~]# init 6 重启使主机名生效 [root@node1 ~]# hwclock –s 同步时间，必须有 修改 hosts 文件： [root@node1 ~]# vim /etc/hosts 修改 dns 缓存 127.0.0.1 localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 192.168.101.250 node1.a.com 192.168.101.249 node2.a.com 配置 yum ： [root@node1 ~]# vim /etc/yum.repos.d/server.repo [rhel-server] name=Red Hat Enterprise Linux server baseurl=file:///mnt/cdrom/Server enabled=1 gpgcheck=1 gpgkey=file:///mnt/cdrom/RPM-GPG-KEY-redhat-release 同时要挂载光盘 Drbd 配置 [root@node1 ~]# yum -y localinstall *.rpm –nogpgcheck 安装 drbd 包 [root@node1 ~]# modprobe drbd 加载 drbd 模块 [root@node1 ~]# lsmod |grep drbd 查看加载 drbd 228528 0 创建新分区： [root@node1 ~]# fdisk /dev/sda Command (m for help): n Command action e extended p primary partition (1-4) p Selected partition 4 First cylinder (1416-5221, default 1416): 1416 Last cylinder or +size or +sizeM or +sizeK (1416-5221, default 5221): +1G Command (m for help): w [root@node1 ~]# partprobe /dev/sda [root@node1 ~]# cat /proc/partitions major minor #blocks name 8 0 41943040 sda 8 1 104391 sda1 8 2 10241437 sda2 8 3 1020127 sda3 8 4 9775552 sda4 复制相关文件到 node2 上： [root@node1 ~]# scp *.rpm node2.a.com:/root 修改配置文件： [root@node1 ~]# cd /etc/ [root@node1 etc]# cp /usr/share/doc/drbd83-8.3.8/drbd.conf ./ [root@node1 ~]# cd /etc/drbd.d/ [root@node1 drbd.d]# ll total 4 -rwxr-xr-x 1 root root 1418 Jun 4 2010 global_common.conf [root@node1 drbd.d]# cp global_common.conf global_common.conf.bak 备份文件 [root@node1 drbd.d]# vim global_common.conf 1 global { 2 usage-count no; 3 # minor-count dialog-refresh disable-ip-verification 4 } 5 6 common { 7 protocol C; 8 9 startup { 10 wfc-timeout 120; 11 degr-wfc-timeout 120; 12 } 13 14 disk { 15 on-io-error detach; 16 # fencing resource-only; 17 } 18 net { 19 cram-hmac-alg "sha1"; 20 shared-secret "mydrbdlab"; 21 22 } 23 24 syncer { 25 rate 100m; 26 } 27 } 4 、检测配置文件 [root@node1 drbd.d]# drbdadm adjust r0 no resources defined [root@node1 drbd.d]# vim web.res 创建资源文件 resource web { on node1.a.com { device /dev/drbd0; disk /dev/sda4; address 192.168.101.250:7789; meta-disk internal; } on node2.a.com { device /dev/drbd0; disk /dev/sda4; address 192.168.101.249:7789; meta-disk internal; [root@node1 drbd.d]# scp /etc/drbd.conf node2.a.com:/etc/ [root@node1 drbd.d]# scp /etc/drbd.d/* node2.a.com:/etc/drbd.d/ [root@node1 ~]# drbdadm create-md web 创建 ro 资源 [root@node1 drbd.d]# service drbd start 两边需要都启动，才可以启动成功 [root@node1 drbd.d]# drbdadm -- --overwrite-data-of-peer primary web 将其设为主设备 [root@node1 drbd.d]# watch -n 1 'cat /proc/drbd' [root@node1 ~]# cat /proc/drbd 查看 drbd 状态 version: 8.3.8 (api:88/proto:86-94) GIT-hash: d78846e52224fd00562f7c225bcc25b2d422321d build by mockbuild@builder10.centos.org, 2010-06-04 08:04:16 0: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r---- ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:0 [root@node1 drbd.d]# mkfs -t ext3 -L drbdweb /dev/drbd0 格式化分区 [root@node1 ~]# mkdir /data [root@node1 ~]# mount /dev/drbd0 /data 挂载分区 [root@node1 ~]# service drbd status drbd driver loaded OK; device status: version: 8.3.8 (api:88/proto:86-94) GIT-hash: d78846e52224fd00562f7c225bcc25b2d422321d build by mockbuild@builder10.centos.org, 2010-06-04 08:04:16 m:res cs ro ds p mounted fstype 0:web Connected Primary/Secondary UpToDate/UpToDate C /mnt/1 ext3 Nfs 配置： [root@node1 ~]# vim /etc/exports 两台服务器一致 /data *(rw,sync,insecure,no_root_squash,no_wdelay) [root@node1 ~]# service portmap start Starting portmap: [ OK ] [root@node1 ~]# service nfs start Starting NFS services: [ OK ] Starting NFS quotas: [ OK ] Starting NFS daemon: [ OK ] Starting NFS mountd: [ OK ] [root@node1 ~]# chkconfig portmap on [root@node1 ~]# chkconfig nfs on [root@node1 ~]# vim /etc/init.d/nfs 116 stop) 117 # Stop daemons. 118 echo -n $"Shutting down NFS mountd: " 119 killproc rpc.mountd 120 echo 121 echo -n $"Shutting down NFS daemon: " 122 killproc nfsd -9 两台服务器都修改 nfs 启动脚本。将 /etc/init.d/nfs 脚本中的 stop 部分中的 killproc ， nfsd -2 修改为 -9 [root@node1 ~]# scp /etc/exports node2.a.com:/etc/ Heartbeat 配置： 安装相关包： [root@node1 ~]# yum localinstall heartbeat-2.1.4-9.el5.i386.rpm heartbeat-pils-2.1.4-10.el5.i386.rpm libnet-1.1.4-3.el5.i386.rpm heartbeat-stonith-2.1.4-10.el5.i386.rpm perl-MailTools-1.77-1.el5.noarch.rpm 拷贝配置文档： [root@node1 ~]# cd /usr/share/doc/heartbeat-2.1.4/ [root@node1 heartbeat-2.1.4]# cp authkeys ha.cf haresources /etc/ha.d/ 安装配置文档： [root@node1 heartbeat-2.1.4]# cd /etc/ha.d/ [root@node1 ha.d]# vim ha.cf 24 debugfile /var/log/ha-debug 29 logfile /var/log/ha-log 48 keepalive 2 49 # 56 deadtime 30 76 udpport 692 121 ucast eth0 192.168.101.249 157 auto_failback off 211 node node1.a.com 212 node node2.a.com 220 ping 192.168.101.1 指明主服务器 [root@node1 ha.d]# echo "node1.a.com IPaddr::192.168.101.200/24/eth0 drbddisk::web Filesystem::/dev/drbd0::/data::ext3 killnfsd" >> /etc/ha.d/haresources [root@node1 ha.d]# vim authkeys 23 auth 1 24 1 crc [root@node1 ha.d]# echo "killall -9 nfsd; /etc/init.d/nfs restart; exit 0" >> ./ resource.d/killnfsd [root@node1 ha.d]# chmod 600 ./authkeys [root@node1 ha.d]# chmod 755 ./resource.d/killnfsd [root@node1 ha.d]# service heartbeat start [root@node1 ha.d]# service heartbeat restart [root@node1 ~]# chkconfig heartbeat on 查看 node1 是否出现 vip ： Node1 上面出现 vip 192.168.101.200 ， node2 上面没有： Node2 配置： [root@jun ~]# vim /etc/sysconfig/network NETWORKING=yes NETWORKING_IPV6=yes HOSTNAME=node2.a.com [root@jun ~]# init 6 [root@node2 ~]# hwclock -s [root@node2 ~]# vim /etc/hosts 127.0.0.1 localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 192.168.101.250 node1.a.com 192.168.101.249 node2.a.com [root@node2 ~]# vim /etc/yum.repos.d/server.repo [rhel-server] name=Red Hat Enterprise Linux server baseurl=file:///mnt/cdrom/Server enabled=1 gpgcheck=1 gpgkey=file:///mnt/cdrom/RPM-GPG-KEY-redhat-release 同时要挂载光盘 Drbd配置： [root@node2 ~]# yum -y localinstall *.rpm –nogpgcheck [root@node2 ~]# fdisk /dev/sda Command (m for help): n Command action e extended p primary partition (1-4) p Selected partition 4 First cylinder (1416-5221, default 1416): 1416 Last cylinder or +size or +sizeM or +sizeK (1416-5221, default 5221): +10000m Command (m for help): w [root@node2 ~]# partprobe /dev/sda [root@node2 ~]# cat /proc/partitions major minor #blocks name 8 0 41943040 sda 8 1 104391 sda1 8 2 10241437 sda2 8 3 1020127 sda3 8 4 9775552 sda4 [root@node2 ~]# drbdadm create-md web [root@node1 drbd.d]# service drbd start [root@node2 drbd.d]# cat /proc/drbd version: 8.3.8 (api:88/proto:86-94) GIT-hash: d78846e52224fd00562f7c225bcc25b2d422321d build by mockbuild@builder10.centos.org, 2010-06-04 08:04:16 0: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r---- ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:9775216 [root@node2 ~]# service drbd status drbd driver loaded OK; device status: version: 8.3.8 (api:88/proto:86-94) GIT-hash: d78846e52224fd00562f7c225bcc25b2d422321d build by mockbuild@builder10.centos.org, 2010-06-04 08:04:16 m:res cs ro ds p mounted fstype 0:web Connected Secondary/Primary UpToDate/UpToDate C Nfs配置： Starting portmap: [ OK ] [root@node2 ~]# service nfs start Starting NFS services: [ OK ] Starting NFS quotas: [ OK ] Starting NFS daemon: [ OK ] Starting NFS mountd: [ OK ] [root@node2 ~]# chkconfig portmap on [root@node2 ~]# chkconfig nfs on 配置启动脚本 [root@node2 ~]# vim /etc/init.d/nfs 116 stop) 117 # Stop daemons. 118 echo -n $"Shutting down NFS mountd: " 119 killproc rpc.mountd 120 echo 121 echo -n $"Shutting down NFS daemon: " 122 killproc nfsd -9 两台服务器都修改nfs 启动脚本。将/etc/init.d/nfs 脚本中的stop 部分中的killproc ，nfsd -2 修改为 -9 [root@node1 ha.d]# service heartbeat start Starting High-Availability services: 2012/05/08_00:52:46 INFO: Resource is stopped [ OK ] Heartbeat配置： [root@node2 ~]# yum localinstall heartbeat-2.1.4-9.el5.i386.rpm heartbeat-pils-2.1.4-10.el5.i386.rpm heartbeat-stonith-2.1.4-10.el5.i386.rpm libnet-1.1.4-3.el5.i386.rpm perl-MailTools-1.77-1.el5.noarch.rpm –nogpgcheck 拷贝配置文档并配置配置文档 [root@node2 ~]# cd /usr/share/doc/heartbeat-2.1.4/ [root@node2 heartbeat-2.1.4]# cp authkeys ha.cf haresources /etc/ha.d/ [root@node2 heartbeat-2.1.4]# cd /etc/ha.d/ [root@node2 ha.d]# ls README.config authkeys ha.cf harc haresources rc.d resource.d shellfuncs [root@node2 ha.d]# vim ha.cf 24 debugfile /var/log/ha-debug 29 logfile /var/log/ha-log 48 keepalive 2 49 # 56 deadtime 30 76 udpport 692 121 ucast eth0 192.168.101.249 157 auto_failback off 211 node node1.a.com 212 node node2.a.com 220 ping 192.168.101.1 指明主服务器： [root@node2 ha.d]# echo "node1.a.com IPaddr::192.168.101.200/24/eth0 drbddisk::web Filesystem::/dev/drbd0::/data::ext3 killnfsd" >> /etc/ha.d/haresources [root@node2 ha.d]# vim authkeys 23 auth 1 24 1 crc [root@node2 ha.d]# echo "killall -9 nfsd; /etc/init.d/nfs restart; exit 0" >> ./ resource.d/killnfsd 修改文件权限 [root@node2 ha.d]# chmod 600 ./authkeys [root@node2 ha.d]# chmod 755 ./resource.d/killnfsd [root@node2 ha.d]# service heartbeat start Starting High-Availability services: 2012/05/08_00:52:46 INFO: Resource is stopped [ OK ] [root@node2 ha.d]# service heartbeat restart [root@node2 ~]# chkconfig heartbeat on 测试机配置： [root@server5 ~]# mount 192.168.101.200:/data /mnt/nfs 2、在测试机上创建测试shell，二秒一个 [root@server5 ~]# vim /mnt/test.sh while true do echo ---\> trying touch x : `date` touch x echo \ trying touch x : Sun May 6 20:03:12 CST 2012 trying touch x : Sun May 6 20:03:14 CST 2012 trying touch x : Sun May 6 20:03:16 CST 2012 trying touch x : Sun May 6 20:03:18 CST 2012 trying touch x : Sun May 6 20:03:20 CST 2012 trying touch x : Sun May 6 20:03:22 CST 2012 trying touch x : Sun May 6 20:03:24 CST 2012 trying touch x : Sun May 6 20:03:26 CST 2012 trying touch x : Sun May 6 20:03:28 CST 2012 touch: cannot touch `x': Stale NFS file handle trying touch x : Sun May 6 20:03:33 CST 2012 trying touch x : Sun May 6 20:03:35 CST 2012
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