zabbix3.2.9升级到3.4.3
zabbix3.2.9升级到3.4.33.2.9环境安装参考 https://www.iyunv.com/thread-197623-1-1.html
比较懒的可参考：http://www.cnblogs.com/unchch/p/7495256.html
升级步骤：
1、安装系统支持包：
3.4.X多加了三个支持包libevent-doc-2.0.21-4.el7.noarch，libevent-2.0.21-4.el7.x86_64，libevent-devel-2.0.21-4.el7.x86_64
执行yum install libevent*
2、备份3.2.9版文件
service zabbix_server stop
service zabbix_agentd stop
tar -cvf /tmp/zabbix3.2.9.tar /home/zabbix /etc/init.d/zabbix_server /etc/init.d/zabbix_agentd /var/www/html
cp /var/www/html/conf/zabbix.conf.php /tmp/zabbix.conf.php
3、清理安装目录
rm -rf /home/zabbix/*
rm -f /etc/init.d/zabbix_*
rm -rf /var/www/html/*
4、下载3.4.3,并安装
wget http://jaist.dl.sourceforge.net/project/zabbix/ZABBIX%20Latest%20Stable/3.4.3/zabbix-3.4.3.tar.gz
tar xzvf zabbix-3.4.3.tar.gz
cd zabbix-3.4.3
./configure --prefix=/home/zabbix --enable-server --enable-agent --with-mysql --with-net-snmp --with-libcurl --with-libxml2 --enable-java --with-unixodbc --with-ssh2 --with-openipmi
make install
5、更新服务文件
cp /home/zabbix-3.4.3/misc/init.d/fedora/core5/zabbix* /etc/init.d/
修改zabbix_server和zabbix_agentd中内容
ZABBIX_BIN="/usr/local/sbin/zabbix_server" 改为你的实际地址，本例为ZABBIX_BIN="/home/zabbix/sbin/zabbix_server"
6、更新前端文件（web端）
cp -R /home/zabbix-3.4.3/frontends/php/* /var/www/html/
cp /tmp/zabbix.conf.php /var/www/html/conf/zabbix.conf.php#把数据库配置文件恢复回来，如果没有在第一次访问时也会再建一个，但要将/var/www/html/conf目录权限改为777。
数据库备份此处省略
7、重启服务
service httpd restart
因/etc/init.d/目录下的zabbix文件已更改，需重新载入：systemctl daemon-reload
service zabbix_server start
service zabbix_agentd start
8、打开网页查看是否更新成功
1、如果遇到版本不符的提示，如下：
8673:20161117:104750.259 current database version (mandatory/optional): 03040000/03020001
8673:20161117:104750.259 required mandatory version: 03040000
登录zabbix库执行
MariaDB > update dbversion set mandatory=3040000;
Query OK, 1 row affected (0.01 sec)
Rows matched: 1Changed: 1Warnings: 0
MariaDB > flush privileges;
Query OK, 0 rows affected (0.00 sec)
2、server日志中报错如下：
connection to database 'zabbix' failed: Access denied for user 'zabbix'@'localhost' (using password: NO)
修改/etc/my.cnf文件，在段最后添加skip-grant-tables，然后重启数据库。升级完成后可再把这名去掉。
如下显示为server正在升级数据库字段及表
13214:20171019:154702.167 connection to database 'zabbix' failed: Access denied for user 'zabbix'@'localhost' (using password: NO)
13214:20171019:154702.168 database is down: reconnecting in 10 seconds
13214:20171019:154712.178 database connection re-established
13214:20171019:154712.182 current database version (mandatory/optional): 03040000/03020001
13214:20171019:154712.182 required mandatory version: 03040000
13214:20171019:154712.182 optional patches were found
13214:20171019:154712.182 starting automatic database upgrade
13214:20171019:154712.188 completed 0% of database upgrade
13214:20171019:154713.833 completed 1% of database upgrade
13214:20171019:154713.859 completed 2% of database upgrade
。。。。。。。略
。。。。。。。略
13214:20171019:154737.481 completed 97% of database upgrade
13214:20171019:154737.507 completed 98% of database upgrade
13214:20171019:154737.534 completed 99% of database upgrade
13214:20171019:154737.557 completed 100% of database upgrade
13214:20171019:154737.557 database upgrade fully completed
3、内存溢出
13214:20171019:154738.183 zbx_mem_malloc(): out of memory (requested 256 bytes)
13214:20171019:154738.183 zbx_mem_malloc(): please increase CacheSize configuration parameter
修改zabbix_server.conf文件中的CacheSize=8G，重启服务。
4、zabbix_server.conf及zabbix_agentd.conf可参考原来版本的文件修改。
路过帮顶！！！
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