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[经验分享] Mysql cluster+heartbeat+ldirector+lvs 集群解决方案

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发表于 2015-11-20 14:00:01 | 显示全部楼层 |阅读模式
  
  数据库集群解决方案
  
  
  原来考虑使用Mysql双主+LVS+keepalived+Ipvsadm,因为系统对数据一致性要求很高,双主复制存在此瓶颈,选择使用:Mysql CLuster +LVS+Heartbeat+Ldirector可很好的解决数据及时同步的问题并结合Heartbeat、Ldirector解决高可用、心跳检测、故障转移、负载均衡的需求
  扩展:
  Memcached:缓存服务,提升系统性能
  Lucene:全文检索优化
  扩展内容根据业务需求需要选择
  
  
  数据库集群架构图:
  
  略
  
  Mysql cluster安装和配置略,各个服务器及节点启动方式如下:
  10.0.0.21sql1、NDB1
  1./var/lib/mysql/sbin/ndbd --initial
  2../bin/mysqld_safe &
  10.0.0.22sql2、NDB2
  1./var/lib/mysql/sbin/ndbd --initial
  2../bin/mysqld_safe &
  10.0.0.24管理节点
  ./ndb_mgmd -f/var/lib/mysql-cluster/config.ini --initial
  
  /var/lib/mysql/bin/ndb_mgm  
  ndb_mgmd> show
  -------------------------------------------------------------
  
  heartbeat安装与配置过程中出现的错误
  1. ./configure --prefix=/usr/local/heatbeat
  2.make 报错
  (1)、找不到swing,解决方法:安装系统自带的swing RPM包
  (2)、其他各种错误,去掉解压包里面Makefile文件中的-Werror参数
  3.启动heatbeat时候报错
  (1)Heartbeat not configured: /usr/local/heartbeat/etc/ha.d/ha.cf notfound.
  修改/etc/rc.d/init.d/heartbeat 将上面错误中的路径改为/etc/ha.d/ha.cf
  (2)/etc/init.d/heartbeat: line 48: /etc/ha.d/shellfuncs: No such fileor directory
  缺少shellfuncs文件,安装cluster-glue RPM之后,安装后通过locate找到shellfuncs,把shellfuncs给cp到/etc/ha.d/
  (3)cat: /usr/local/heartbeat/etc/ha.d/haresources: No such file ordirectory
  locate找到该文件,cp到对应的路径即可
  (4)[iyunv@localhost dev]# service heartbeatstart
  logd is already running
  Starting High-Availability services:
  Heartbeat failure [rc=139]. Failed.
  错误很多,最终未完全处理,导致heartbeat无法开启,放弃此版本
  
  换版本升级至最新的heartbeat 3.0.7
  ./ConfigureMe configure --prefix=XXXX报错
  configure: error: in`/usr/local/heartbeat3.0.7':
  configure: error: Core development headerswere not found
  See `config.log' for more details.
  
  ./bootstrap exiting due to error (sorry!).
  这需要中间层包Reusable-Cluster-Components-glue--glue-1.0.7.tar.bz2
  #groupadd haclient
  
  #useradd -g haclient hacluster
  
  #wgethttp://hg.linux-ha.org/glue/archive/glue-1.0.7.tar.bz2
  
  #tar jxvf glue-1.0.7.tar.bz2
  
  #cdReusable-Cluster-Components-glue--glue-1.0.7/
  
  #./autogen.sh
  
  
  #./configure
  报错:checking for special libxml2 includes... configure: error: libxml2config not found
  缺少:libxml2-devel
  安装rpm -ivh libxml2-devel-2.7.6-14.el6_5.2.x86_64.rpm
  继续报错configure: error: BZ2 libraries not found
  缺少bzip2
  安装bzip2-devel-1.0.5-7.el6_0.x86_64.rpm
  #make
  #make install
  ./ConfigureMe configure --prefix=XXXX报错
  configure: error: Core development headerswere not found
  原因 缺少:resource-agents 在CSDN上下载
  并安装
  1354 tar -zxvf ClusterLabs-resource-agents-v3.9.2-0-ge261943.tar.gz
  1355  ll
  1356  cdClusterLabs-resource-agents-b735277/
  1357  ll
  1358 ./autogen.sh
  1359 ./configure --prefix=/usr/local/heartbeat(安装在heartbeat同一个目录,特别重要否则还是会报上面的错误)
  (启动heartbeat还是找不到相关文件:加参数重新configure
  ./configure --prefix=/usr/local/heartbeat--sysconfdir=/etc/ha.d libdir=/usr/local/heartbeat/lib64CFLAGS=-I/usr/local/heartbeat/includeLDFLAGS=L/usr/local/heartbeat/lib64LIBS='/lib64/libuuid.so.1'
  启动heartbeat还是报错,cp Cluster-Resource-Agents-agents-1.0.3/heartbeat/shellfuncs/etc/ha.d
  )
  1360 make
  1361  make install
  make 错误1
  gmake[4]: *** [ucast.lo] Error 1 解决方法:Heartbeat-3-0-7e3a82377fa8/lib/plugins/HBcomm/ucast.c
  这个文件貌似有问题,删除468行int i = 1;应该就能make了。(这个真心坑爹)
  gmake[1]: --xinclude: Command not found 缺少libxslt包:libxslt-1.1.26-2.el6_3.1.x86_64.rpm  libxslt-devel-1.1.26-2.el6_3.1.x86_64.rpm
  gmake[1]: Entering directory`/usr/local/heartbeat3.0.7/doc'
  错误2/usr/bin/xsltproc \
  --xinclude\
  http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xslheartbeat.xml
  error : connection refused
  解决:因缺乏docbook-style-xsl-1.75.2-6.el6.noarch.rpm需安装及其依赖包
  
  ERROR: Cannot open keyfile[/etc/ha.d/ha.d/authkeys
  将/etc/ha.d/authkeys cp到/etc/ha.d/ha.d/即可
  ERROR: Client child command[/usr/local/heartbeat/lib64/heartbeat/attrd] is not executable
  做软链接 ln -s/usr/lib64/heartbeat/attrd /usr/local/heartbeat/lib64/heartbeat/attrd 其它类似
  启动ldirector报错Can't locate LWP/UserAgent.pm in @IN
  缺少perl-libwww-perl-5.833-2.el6.noarch.rpm
  
  启动ldirector报错缺少依赖包:
  处理:1951  rpm -ivhperl-devel-5.10.1-136.el6.x86_64.rpm --force --nodeps(强制覆盖安装)
  1952 rpm -ivh perl-ExtUtils-CBuilder-0.27-136.el6.x86_64.rpm
  1953 rpm -ivh perl-ExtUtils-MakeMaker-6.55-136.el6.x86_64.rpm
  1954  ls*harness*
  1955  ls*Harness*
  1956 rpm -ivh perl-Test-Harness-3.17-136.el6.x86_64.rpm
  1957 rpm -ivh perl-ExtUtils-MakeMaker-6.55-136.el6.x86_64.rpm
  1958 history
  启动继续报错Starting ldirectord... Can't locate URI.pm 安装perl-URI-1.40-2.el6.noarch.rpm
  Starting ldirectord... Can't locateIO/Socket/INET6.pm安装perl-IO-Socket-INET6-2.56-4.el6.noarch.rpm
  
  启动ldirector 报错找不到ldirector.cf 执行root@db1 ha.d]# cp /etc/ha.d/ldirectord.cf /usr/etc/ha.d/
  
  查状态报错[iyunv@db1 init.d]# ./ldirectord status
  ldirectord stale pid
  [iyunv@db1 Packages]# ls *perl-DBI*
  perl-DBI-1.609-4.el6.x86_64.rpm  perl-DBIx-Simple-1.32-3.el6.noarch.rpm
  [iyunv@db1 Packages]# rpm -ivhperl-DBI-1.609-4.el6.x86_64.rpm
  warning: perl-DBI-1.609-4.el6.x86_64.rpm:Header V3 RSA/SHA256 Signature, key ID c105b9de: NOKEY
  Preparing...               ########################################### [100%]
  1:perl-DBI               ###########################################[100%]
  [iyunv@db1 Packages]# ls *perl-DBD*
  perl-DBD-MySQL-4.013-3.el6.x86_64.rpm  perl-DBD-Pg-2.15.1-4.el6_3.x86_64.rpm  perl-DBD-SQLite-1.27-3.el6.x86_64.rpm
  [iyunv@db1 Packages]# rpm -ivhperl-DBD-MySQL-4.013-3.el6.x86_64.rpm
  warning:perl-DBD-MySQL-4.013-3.el6.x86_64.rpm: Header V3 RSA/SHA256 Signature, key IDc105b9de: NOKEY
  Preparing...               ########################################### [100%]
  1:perl-DBD-MySQL        ########################################### [100%]
  [iyunv@db1 Packages]# cd -
  /etc/rc.d/init.d
  [iyunv@db1 init.d]# ./ldirectord stop
  Stopping ldirectord... success
  [iyunv@db1 init.d]# ./ldirectord start
  Starting ldirectord... success
  [iyunv@db1 init.d]# ./ldirectord status
  ldirectord for /usr/etc/ha.d/ldirectord.cfis running with pid: 25941 file /var/run/ldirectord.ldirectord.pid for/usr/etc/ha.d/ldirectord.cf
  
  
  
  10.0.0.22 ldirector
  启动报错[iyunv@db2 init.d]# ./ldirectord start
  Starting ldirectord... Can't locateMail/Send.pm in @INC
  处理:rpm -ivh perl-MailTools-2.04-4.el6.noarch.rpm --force --nodeps (强制覆盖安装)
  
  启动各种找不到配置文件ldirector.cf
  处理方式:进入/etc/ha.d目录下用绝对路径去启动即可[iyunv@db2 ha.d]# /etc/rc.d/init.d/ldirectord start
  
  ./configure --prefix=/usr/local/heartbeat--sysconfdir=/etc/ha.d libdir=/usr/local/heartbeat/lib64LIBS='/lib64/libuuid.so.1'
  ./configure --prefix=/usr/local/heartbeat--sysconfdir=/etc/ha.d libdir=/usr/local/heartbeat/lib64CFLAGS=-I/usr/local/heartbeat/include LDFLAGS=-L/usr/local/heartbeat/lib64LIBS='/lib64/libuuid.so.1'
  ./configure --prefix=/usr/local/heartbeat--sysconfdir=/etc/ha.d CFLAGS=-I/usr/local/heartbeat/includeLDFLAGS=-L/usr/local/heartbeat/lib64 LIBS='/lib64/libuuid.so.1'
  
  sed -i's#/usr/lib/ocf#/usr/local/heartbeat/usr/lib/ocf#g' /etc/ha.d/shellfuncs
  sed -i 's#/usr/lib/ocf#/usr/local/heartbeat/usr/lib/ocf#g'/etc/ha.d/resource.d/hto-mapfuncs
  sed -i's#/usr/lib/ocf#/usr/local/heartbeat/usr/lib/ocf#g'/usr/local/heartbeat/usr/lib/ocf/lib/heartbeat/ocf-shellfuncs
  
  
  
  10.0.0.22 heartbeat安装
  
  安装
  configure时候Reusable-Cluster-Components-glue--glue-1.0.7报错configure:error: You need glib2-devel installed in order to build cluster-glue
  缺少glib2-devel
  make 时候 Entering directory`/usr/local/Reusable-Cluster-Components-glue--glue-1.0.7/libltdl'
  最后
  在节点1上[iyunv@db1 sbin]# mysql -uldirector -p -h 10.0.0.25
  建库建表create table MyClass(id int(4));
  mysql> show databases;
  +--------------------+
  | Database           |
  +--------------------+
  | information_schema |
  | ldirectordb        |
  | test               |
  +--------------------+
  3 rows in set (0.02 sec)
  
  mysql> show tables;
  ERROR 1046 (3D000): No database selected
  mysql> use ldirectordb
  Database changed
  mysql> show tables;
  +-----------------------+
  | Tables_in_ldirectordb |
  +-----------------------+
  | connectioncheck       |
  | myclass               |
  +-----------------------+
  2 rows in set (0.05 sec)
  再到节点2上看发现表数据同步过来了[iyunv@db2 ha.d]# mysql -u ldirector -p -h 10.0.0.25
  mysql> show databases;
  +--------------------+
  | Database           |
  +--------------------+
  | information_schema |
  | ldirectordb        |
  | test               |
  +--------------------+
  3 rows in set (0.00 sec)
  
  mysql> use ldirectordb
  Database changed
  mysql> show tables;
  +-----------------------+
  | Tables_in_ldirectordb |
  +-----------------------+
  | connectioncheck       |
  | myclass               |
  +-----------------------+
  2 rows in set (0.03 sec)
  最后 Web连接虚拟ip 10.0.0.25:3306
  
  关闭其中一个节点服务器,发现数据库连接还可以存活

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