（？）企业部分之corosync未完缺图
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需要一个纯净的虚拟机，需要重新编译内核；为了提高编译速度，4CPU，2048内存。
内核源码 linux-2.6.32-220.23.1.el6.x86_64
使用dvd.repo做yum源
所需软件包：kernel-2.6.32-220.23.1.el6.src.rpm Lvs-fullnat-synproxy.tar.gz
解决依赖性：asciidoc-8.4.5-4.1.el6.noarch.rpm newt-devel-0.52.11-3.el6.x86_64.rpm slang-devel-2.2.1-1.el6.x86_64.rpm
rpm -ivh kernel-2.6.32-220.23.1.el6.src.rpm yum install -y rpm-build uname -r
cd rpmbuild/SPECS/ yum install -y gcc redhat-rpm-config patchutils xmlto asciidoc elfutils-libelf-devel zlib-devel binutils-devel newt-devel python-devel perl-ExtUtils-Embed hmaccalc cd yum install asciidoc-8.4.5-4.1.el6.noarch.rpm newt-devel-0.52.11-3.el6.x86_64.rpm slang-devel-2.2.1-1.el6.x86_64.rpm -y rpmbuild -bp kerbel.spec ##较长时间，可通过rngd -r /dev/urando解决（安装 rngd-tools）
cd /root/rpmbuild/BUILD/kernel-2.6.32-220.23.1.el6/ tar zxf Lvs-fullnat-synproxy.tar.gz cd lvs-fullnat-synproxy/ cp lvs-2.6.32-220.23.1.el6.patch ../linux-2.6.32-220.23.1.el6.x86_64/ cd .. cd linux-2.6.32-220.23.1.el6.x86_64/ yum install -y patch patch -p1 < lvs-2.6.32-220.23.1.el6.patch vim .config vim Makefile uname -r cd configs/ diff kernel-2.6.32-x86_64.config ../.config
增加一个20G的虚拟硬盘
fdisk -cu /dev/vdc pvcreate /dev/vdc1 vgextend VolGroup /dev/vdc1 lvextend -L +20G /dev/VolGroup/lv_root lvextend -l +5119 /dev/VolGroup/lv_root resize2fs /dev/VolGroup/lv_root df -h
cd /root/rpmbuild/BUILD/kernel-2.6.32-220.23.1.el6/linux-2.6.32-220.23.1.el6.x86_64 make -j4 make modules_install make install cd /boot/grub/ vim grub.conf reboot
uname -r ##2.6.32-220.23.1.el6
cd rpmbuild/BUILD/kernel-2.6.32-220.23.1.el6/lvs-fullnat-synproxy/ cp lvs-tools.tar.gz /root tar zxf lvs-tools.tar.gz cd tools/keepalived/ yum install openssl-devel popt-devel -y ./configure --with-kernel-dir="/lib/modules/`uname -r`/build" make make install which keepalived cd .. cd ipvsadm/ yum install -y ipvsadm make make install ipvsadm --help ipvsadm -l
所需软件包：crmsh-1.2.6-0.rc2.2.1.x86_64.rpm pssh-2.3.1-2.1.x86_64.rpm
使用有集群环境的虚拟机
先确定有没有其它软件在运行
【server1】
ps ax ##将cman等服务关掉
/etc/init.d/ldirectord stop chkconfig ldirectord off yum install -y pacemaker ##server1/server2
rpm -q corosync /etc/init.d/keepalived status /etc/init.d/heartbeat status /etc/init.d/cman status ##没关掉的关掉
cd /etc/corosync/ cp corosync.conf.example corosync.conf vim corosync.conf
/etc/init.d/corosync status /etc/init.d/pacemaker status
scp corosync.conf [email protected]:/etc/corosync
/etc/init.d/corosync start tail -f /var/log/messages
crm_verify -L crm_verify -LV
cd yum install crmsh-1.2.6-0.rc2.2.1.x86_64.rpm pssh-2.3.1-2.1.x86_64.rpm -y
crm
status
show
property stonith-enabled=false
show
commit
quit
crm configure show
crm
configure
primitive vip ocf:heartbeat:IPaddr2 params ip=172.25.19.100 cidr_netmask=32 op monitor interval=30s
show
commit
bye
/etc/init.d/corosync start
crm
property no-quorum-policy=ignore
commit
quit
/etc/init.d/corosync stop /etc/init.d/corosync start vim /etc/httpd/conf/httpd.conf rpm -q httpd crm
primitive website ocf:heartbeat:apache params configfile=/etc/httpd/conf/httpd.conf op monitor interval=60s
commit
collocation website-with-ip inf: website vip
commit
show
delete website-with-ip
commit
group apache vip website
commit
show
cd
node
show
standby server2.example.com
online server2.example.com
quit
cat /proc/drbd drbdadm primary sqldata mount /dev/drbd1 /var/lib/mysql/ df -h umount /var/lib/mysql/ /etc/init.d/mysqld start /etc/init.d/mysqld stop crm
resource
show
stop apache
bye
/etc/init.d/corosync start crm
configure
show
delete apache
delete website
show
commit
Ctrl-C, leaving
cd /etc/cluster/ ls stonith_admin -I stonith_admin -M -a fence_xvm crm
configure
property stonith-enabled=true
commit
primitive vmfence stonith:fence_xvm params pcmk_host_map="server1.example.com:vm1;server2.example.com:vm2" op monitor interval=1min
commit
bye
ip addr show ip addr del 172.25.19.100/32 dev eth0 /etc/init.d/network stop /etc/init.d/corosync start 【server2】
/etc/init.d/ldirectord stop chkconfig ldirectord off yum install -y pacemaker /etc/init.d/corosync start cd ls yum install -y * crm crm_mon rpm -q httpd vim /etc/httpd/conf/httpd.conf crm_mon
【物理机】
systemctl status fence_virtd systemctl start fence_virtd systemctl status fence_virtd netstat -anulp | grep 1229 未完。图练习时补上
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