slony I 数据复制工具的安装与应用

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前言：Postgresql是最接近Oracle的免费替代品，用Postgresql+Slony搭建数据库集群是非常理想的选择。本人用这两个组合搭建了 Live database ->Backup datase,Live database ->Report database两路的在线复制，并实现了无人值守（崩溃自动恢复功能，详见另一自动维护文章）。


环境：

OS: RHEL 4.7

postgresql :postgresql 8.3.7

进入 /usr/local/src，分别下载bison-2.4.1,flex-2.5.4a-1-src并安装，再安装slony1-2.0.3-rc :进入 slony1-2.0.3-rc目录，然后

./configure

gmake all

gmake install


此时，用pgadmin打开postgresql服务器，你会发现每个数据库多了一个Slony复制的分支。

我用Slony工具为公司几台服务器上的live database作了在线同步，效果理想。


我们先定义环境变量初始化的replinit.sh,master_db/master_ip为live database的定义,slave_db/slave_ip为 备份database的定义:

#!/bin/sh
PGsqlPATH=/usr/local/pgsql/bin
SLONIK=/usr/local/pgsql/bin/slonik
SLON=/usr/local/pgsql/bin/slon
LOGPATH=/live/bin/replbms/log
LOG_TIME=`/bin/date +"%Y%m%d"`
LOG_MASTER="$LOGPATH/slon_m.out.$LOG_TIME"
LOG_SLAVE="$LOGPATH/slon_s.out.$LOG_TIME"

MASTER_DB=bmsdb
MASTER_IP=128.30.14.220

SLAVE_DB=bmsdb
SLAVE_IP=128.30.14.221

REPLUSER=repl
REPLPWD=password

CLUSTER=dgbmssp_bmsdb
CLUSTERID=10

MASTERNODE=10
SLAVENODE=22

SETID=10

再定义复制节点,slave_1.sh: 

#!/bin/sh
source ./replinit.sh
$SLONIK << _END_
cluster name = $CLUSTER;
# 定义复制节点
node $MASTERNODE admin conninfo = 'dbname=$MASTER_DB host=$MASTER_IP port=5432 user=$REPLUSER password=$REPLPWD';
node $SLAVENODE admin conninfo = 'dbname=$SLAVE_DB host=$SLAVE_IP port=5432 user=$REPLUSER password=$REPLPWD';
try {
	echo 'Cluster defined,nodes identified';
	
	# 初始化集群,id从1开始
	init cluster (id=$CLUSTERID,comment='Master Node');
	
	
	
	# 设置参与同步的数据表
	#先创建一个复制集,id也是从1开始
	#向自己的复制集种添加表,每个需要复制的表一条set命令
	#id从1开始,逐次递加,步进为1；
	#fully qualified name是表的全称：模式名.表名
	#这里的复制集id需要和前面创建的复制集id一致
	#假如某个表没有主键,但是有唯一键字,那么可以用key关键字
	#指定其为复制键字,如下面的key参数
	#set add table ( set id = 1,origin = 1,id = 4,fully qualified name = 'public.history',key = "column",comment = 'Table history' );
	#对于没有唯一列的表,需要这样处理,这一句放在 create set 的前面
	#table add key (node id = 1,fully qualified name = 'public.history');
	# 这样设置结果集
	#set add table (set id=1,origin=1,id=4,#comment='history table',key = serial);
	
	create set (id=$SETID,origin=$MASTERNODE,comment='$DBNAME tables');
	
	#set add table ( set id=$SETID,id=1,fully qualified name='public.vn_op',comment='Table vn_op' );
	set add table ( set id=$SETID,id=2,fully qualified name='public.t22_daily_mh',comment='Table t22_daily_mh' );	
	set add table ( set id=$SETID,id=3,fully qualified name='public.t31_daily_prod',comment='Table t31_daily_prod' );
	set add table ( set id=$SETID,fully qualified name='public.tq_dailyjob',comment='Table tq_dailyjob' );	
	set add table ( set id=$SETID,id=5,fully qualified name='public.t10_opgl_hist',comment='Table t10_opgl_hist' );	
	set add table ( set id=$SETID,id=6,fully qualified name='public.r_721',comment='Table r_721' );
	#set add table ( set id=$SETID,id=7,fully qualified name='public.rep_log',comment='Table rep_log' );
	set add table ( set id=$SETID,id=8,fully qualified name='public.r_ngqty_diff',comment='Table r_ngqty_diff' );
	set add table ( set id=$SETID,id=9,fully qualified name='public.r_721_det',comment='Table r_721_det' );
	#set add table ( set id=$SETID,id=10,comment='Table r_721' );
	set add table ( set id=$SETID,id=11,fully qualified name='public.t59_Feeder_type',comment='Table t59_Feeder_type' );
	set add table ( set id=$SETID,id=12,fully qualified name='public.t58_position',comment='Table t58_position' );
	set add table ( set id=$SETID,id=13,fully qualified name='public.t57_Feeder_trx',comment='Table t57_Feeder_trx' );
	set add table ( set id=$SETID,id=14,fully qualified name='public.t56_Feeder',comment='Table t56_Feeder' );
	set add table ( set id=$SETID,id=15,fully qualified name='public.r_729',comment='Table r_729' );
	set add table ( set id=$SETID,id=16,fully qualified name='public.r_514',comment='Table r_514' );
	set add table ( set id=$SETID,id=17,fully qualified name='public.r_361_opseq',comment='Table r_361_opseq' );
	set add table ( set id=$SETID,id=18,fully qualified name='public.r_361_det',comment='Table r_361_det' );
	set add table ( set id=$SETID,id=19,fully qualified name='public.r_361',comment='Table r_361' );
	set add table ( set id=$SETID,id=20,fully qualified name='public.t55_qa_chk_hist',comment='Table t55_qa_chk_hist' );
	set add table ( set id=$SETID,id=21,fully qualified name='public.t54_room',comment='Table t54_room' );
	set add table ( set id=$SETID,id=22,fully qualified name='public.t53_qa_chk',comment='Table t53_qa_chk' );
	set add table ( set id=$SETID,id=23,fully qualified name='public.t52_prb_reply',comment='Table t52_prb_reply' );
	set add table ( set id=$SETID,id=24,fully qualified name='public.t51_line_machine',comment='Table t51_line_machine' );
	set add table ( set id=$SETID,id=25,fully qualified name='public.v2_op_cnt',comment='Table v2_op_cnt' );
	set add table ( set id=$SETID,id=26,fully qualified name='public.te_dept',comment='Table te_dept' );
	set add table ( set id=$SETID,id=27,fully qualified name='public.v2_prod_cnt',comment='Table v2_prod_cnt' );
	set add table ( set id=$SETID,id=28,fully qualified name='public.tz_damage_hist',comment='Table tz_damage_hist' );
	set add table ( set id=$SETID,id=29,fully qualified name='public.ty_damage_part',comment='Table ty_damage_part' );
	set add table ( set id=$SETID,id=30,fully qualified name='public.tx_matrep',comment='Table tx_matrep' );
	set add table ( set id=$SETID,id=31,fully qualified name='public.tw_opgrp',comment='Table tw_opgrp' );
	set add table ( set id=$SETID,id=32,fully qualified name='public.tv_outgoing_mail',comment='Table tv_outgoing_mail' );
	set add table ( set id=$SETID,id=33,fully qualified name='public.tu_prodrptrx',comment='Table tu_prodrptrx' );
	set add table ( set id=$SETID,id=34,fully qualified name='public.tt_ucc4',comment='Table tt_ucc4' );
	set add table ( set id=$SETID,id=35,fully qualified name='public.ts_prodpdtrx',comment='Table ts_prodpdtrx' );
	set add table ( set id=$SETID,id=36,fully qualified name='public.tr_prodmstr',comment='Table tr_prodmstr' );
	set add table ( set id=$SETID,id=37,fully qualified name='public.to_rpop',comment='Table to_rpop' );
	set add table ( set id=$SETID,id=38,fully qualified name='public.tn_op',comment='Table tn_op' );
	set add table ( set id=$SETID,id=39,fully qualified name='public.tm_drawloc',comment='Table tm_drawloc' );
	set add table ( set id=$SETID,id=40,fully qualified name='public.tl_ucc3',comment='Table tl_ucc3' );
	set add table ( set id=$SETID,id=41,fully qualified name='public.tk_ucc2',comment='Table tk_ucc2' );
	set add table ( set id=$SETID,id=42,fully qualified name='public.tj_ucc1',comment='Table tj_ucc1' );
	set add table ( set id=$SETID,id=43,fully qualified name='public.ti_udc',comment='Table ti_udc' );
	set add table ( set id=$SETID,id=44,fully qualified name='public.tc_user_access',comment='Table tc_user_access' );
	set add table ( set id=$SETID,id=45,fully qualified name='public.tb_menu_item',comment='Table tb_menu_item' );
	set add table ( set id=$SETID,id=46,fully qualified name='public.ta_user',comment='Table ta_user' );
	set add table ( set id=$SETID,id=47,fully qualified name='public.t9_cmi',comment='Table t9_cmi' );
	set add table ( set id=$SETID,id=48,fully qualified name='public.t8_dailywarn_log',comment='Table t8_dailywarn_log' );
	set add table ( set id=$SETID,id=49,fully qualified name='public.t7_dailywarn',comment='Table t7_dailywarn' );
	set add table ( set id=$SETID,id=50,fully qualified name='public.t6_opgl',comment='Table t6_opgl' );
	set add table ( set id=$SETID,id=51,fully qualified name='public.t5_prb_reply',comment='Table t5_prb_reply' );
	set add table ( set id=$SETID,id=52,fully qualified name='public.t50_cause_cnt_det',comment='Table t50_cause_cnt_det' );
	set add table ( set id=$SETID,id=53,fully qualified name='public.t4_cause_cnt',comment='Table t4_cause_cnt' );
	set add table ( set id=$SETID,id=54,fully qualified name='public.t49_job_parm',comment='Table t49_job_parm' );
	set add table ( set id=$SETID,id=55,fully qualified name='public.t47_daily_rp',comment='Table t47_daily_rp' );
	set add table ( set id=$SETID,id=56,fully qualified name='public.t45_defect',comment='Table t45_defect' );
	set add table ( set id=$SETID,id=57,fully qualified name='public.t44_daily_qc',comment='Table t44_daily_qc' );
	set add table ( set id=$SETID,id=58,fully qualified name='public.t43_prod_ai_std',comment='Table t43_prod_ai_std' );
	set add table ( set id=$SETID,id=59,fully qualified name='public.t41_spec_std',comment='Table t41_spec_std' );
	set add table ( set id=$SETID,id=60,fully qualified name='public.t40_ppc_jobproc',comment='Table t40_ppc_jobproc' );
	set add table ( set id=$SETID,id=61,fully qualified name='public.t3_defect_cnt',comment='Table t3_defect_cnt' );
	set add table ( set id=$SETID,id=62,fully qualified name='public.t39_aid_setup',comment='Table t39_aid_setup' );
	set add table ( set id=$SETID,id=63,fully qualified name='public.t36_daily_seat',comment='Table t36_daily_seat' );
	set add table ( set id=$SETID,id=64,fully qualified name='public.t35_series_mh_period',comment='Table t35_series_mh_period' );
	set add table ( set id=$SETID,id=65,fully qualified name='public.t34_sysvalues',comment='Table t34_sysvalues' );
	set add table ( set id=$SETID,id=66,fully qualified name='public.t33_model_cat_mstr',comment='Table t33_model_cat_mstr' );
	set add table ( set id=$SETID,id=67,fully qualified name='public.t32_holiday',comment='Table t32_holiday' );
	set add table ( set id=$SETID,id=68,fully qualified name='public.t30_comp_qty',comment='Table t30_comp_qty' );
	set add table ( set id=$SETID,id=69,fully qualified name='public.t2_op_cnt',comment='Table t2_op_cnt' );
	set add table ( set id=$SETID,id=70,fully qualified name='public.t1_matrep_log',comment='Table t1_matrep_log' );
	set add table ( set id=$SETID,id=71,fully qualified name='public.t19_dfpcb_cnt',comment='Table t19_dfpcb_cnt' );
	set add table ( set id=$SETID,id=72,fully qualified name='public.t18_dfcmp_cnt',comment='Table t18_dfcmp_cnt' );
	set add table ( set id=$SETID,id=73,fully qualified name='public.t16_pcb_split',comment='Table t16_pcb_split' );
	set add table ( set id=$SETID,id=74,fully qualified name='public.t15_qcrpdet',comment='Table t15_qcrpdet' );
	set add table ( set id=$SETID,id=75,fully qualified name='public.t14_matrep_hist',comment='Table t14_matrep_hist' );
	set add table ( set id=$SETID,id=76,fully qualified name='public.t12_tmslot_def',comment='Table t12_tmslot_def' );
	set add table ( set id=$SETID,id=77,fully qualified name='public.t11_op_swp_hist',comment='Table t11_op_swp_hist' );
	set add table ( set id=$SETID,id=78,fully qualified name='public.t29_aidmh',comment='Table t29_aidmh' );
	set add table ( set id=$SETID,id=79,fully qualified name='public.t28_aiddaily',comment='Table t28_aiddaily' );
	set add table ( set id=$SETID,id=80,fully qualified name='public.t48_repair',comment='Table t48_repair' );
	set add table ( set id=$SETID,id=81,fully qualified name='public.t13_fv_hist',comment='Table t13_fv_hist' );
	set add table ( set id=$SETID,id=82,fully qualified name='public.tp_jobmstr',comment='Table tp_jobmstr' );		
	set add table ( set id=$SETID,id=83,fully qualified name='public.t27_prod_lab_det',comment='Table t27_prod_lab_det' );
	set add table ( set id=$SETID,id=84,fully qualified name='public.t26_prod_labour',comment='Table t26_prod_labour' );
	set add table ( set id=$SETID,id=85,fully qualified name='public.t25_jobproc_det',comment='Table t25_jobproc_det' );
	set add table ( set id=$SETID,id=86,fully qualified name='public.th_model',comment='Table th_model' );	
	set add table ( set id=$SETID,id=87,fully qualified name='public.tg_series',comment='Table tg_series' );
	set add table ( set id=$SETID,id=88,fully qualified name='public.t24_job_ship',comment='Table t24_job_ship' );
	set add table ( set id=$SETID,id=89,fully qualified name='public.t23_job_proc',comment='Table t23_job_proc' );
	set add table ( set id=$SETID,id=90,fully qualified name='public.t21_mh_type',comment='Table t21_mh_type' );
	set add table ( set id=$SETID,id=91,fully qualified name='public.t20_firm_ver',comment='Table t20_firm_ver' );
	set add table ( set id=$SETID,id=92,fully qualified name='public.tf_line',comment='Table tf_line' );
	set add table ( set id=$SETID,id=93,fully qualified name='public.t60_smt_daily_ext',comment='Table t60_smt_daily_ext' );
	set add table ( set id=$SETID,id=94,fully qualified name='public.t61_daily_sn',comment='Table t61_daily_sn' );

	set add table ( set id=$SETID,id=95,fully qualified name='public.t62_smt_daily_trans',comment='Table t62_smt_daily_trans' );
    set add table ( set id=$SETID,id=96,fully qualified name='public.t63_smt_prod_job',comment='Table t63_smt_prod_job' );
    set add table ( set id=$SETID,id=97,fully qualified name='public.r_721_jf',comment='Table r_721_jf' );
    set add table ( set id=$SETID,id=98,fully qualified name='public.r_721_det_jf',comment='Table r_721_det_jf' );
    set add table ( set id=$SETID,id=99,fully qualified name='public.t64_series_mh_period_photo',comment='Table t64_series_mh_period_photo' );
    set add table ( set id=$SETID,id=100,fully qualified name='public.t66_sch_mstr',comment='Table t66_sch_mstr' );
    set add table ( set id=$SETID,id=101,fully qualified name='public.t68_urg_part',comment='Table t68_urg_part' );
	set add table ( set id=$SETID,id=102,fully qualified name='public.t69_iqc_imp_log',comment='Table t69_iqc_imp_log' );
	set add table ( set id=$SETID,id=103,fully qualified name='public.t70_urg_det',comment='Table t70_urg_det' );
	set add table ( set id=$SETID,id=104,fully qualified name='public.t71_pt_mstr',comment='Table t71_pt_mstr' );
	set add table ( set id=$SETID,id=105,fully qualified name='public.t72_iqc_imp_det',comment='Table t72_iqc_imp_det' );

	echo 'set 1 of $MASTER_DB tables created';
	
	
	
	
	
	# 设置存储节点
	store node (id=$SLAVENODE,comment='Slave Node',event node=$MASTERNODE); #定义从库节点
	echo 'Nodes defined';
	# 设置存储路径
	store path (server=$MASTERNODE,client=$SLAVENODE,conninfo='dbname=$MASTER_DB host=$MASTER_IP port=5432 user=repl');
	store path (server=$SLAVENODE,client=$MASTERNODE,conninfo='dbname=$SLAVE_DB host=$SLAVE_IP port=5432 user=repl');
	
	#设置侦听事件和订阅方向,复制中角色,主节点是原始提供者,从节点是接受者
	store listen (origin=$MASTERNODE,provider = $MASTERNODE,receiver =$SLAVENODE);
	store listen (origin=$SLAVENODE,provider = $SLAVENODE,receiver =$MASTERNODE);
	
	subscribe set (id=$SETID,provider=$MASTERNODE,receiver=$SLAVENODE,forward=no);
	echo 'set 1 of $MASTER_DB tables subscribed by node 2';
 }
 on success {
	 echo 'Setup OK.' ;
 }
 on error{
	 echo 'Setup error.' ;
 }
_END_

再定义一个删除复制节点的slave_0.sh:

#!/bin/sh
source ./replinit.sh
$SLONIK << _END_
#
# Define cluster namespace and node connection information
#a
#集群名称
cluster name = $CLUSTER;
# 定义复制节点
node $MASTERNODE admin conninfo = 'dbname=$MASTER_DB host=$MASTER_IP port=5432 user=$REPLUSER password=$REPLPWD';
node $SLAVENODE admin conninfo = 'dbname=$SLAVE_DB host=$SLAVE_IP port=5432 user=$REPLUSER password=$REPLPWD';

DROP SET (id=$SETID,origin=$MASTERNODE);
uninstall node (id=$MASTERNODE);
uninstall node (id=$SLAVENODE);
echo 'Drop $CLUSTER set';
_END_
echo "drop SCHEMA _$CLUSTER CASCADE ;" |$PGsqlPATH/psql -h $SLAVE_IP $SLAVE_DB
echo "drop SCHEMA _$CLUSTER CASCADE ;" |$PGsqlPATH/psql -h $MASTER_IP $MASTER_DB
#echo "VACUUM ANALYZE;" |$PGsqlPATH/psql $DBNAME


好了，现在要定义主 shellscript，把它们集合起来调用， smain.sh:

#!/bin/sh
BINPATH=/live/bin/replbms
case $1 in
        start)
                cd $BINPATH
                /bin/sh slave_3.sh
                ;;
        stop)
                killall -KILL slon
                ;;
        rebuild) 
                cd $BINPATH
                killall -KILL slon
               # sh slave_0.sh >> /dev/null 2>&1
                /bin/sh slave_0.sh
		/bin/sh slave_1.sh
                #sh slave_2.sh
                /bin/sh slave_3.sh
                ;;
        *)
                echo "Please input start or stop or rebuild!!"
                ;;
esac
原文链接：https://www.f2er.com/postgresql/195775.html

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