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达梦dcs集群搭建
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达梦dcs集群搭建
DM_336625
2026/07/02
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一. 环境规划
1.1 端口规划
| 配置项 | A机器 | B机器 |
|---|---|---|
| 业务IP | 192.168.163.137 | 192.168.163.139 |
| 心跳IP | 192.168.163.138 | 192.168.163.140 |
| dmdcr_cfg | ||
| CSS | ||
| - DCR_EP_NAME | DSC0 | DSC1 |
| - DCR_EP_HOST | 192.168.163.138 | 192.168.163.140 |
| - DCR_EP_PORT | 5336 | 5336 |
| ASM | ||
| - DCR_EP_NAME | ASM0 | ASM1 |
| - DCR_EP_HOST | 192.168.163.138 | 192.168.163.140 |
| - DCR_EP_PORT | 5436 | 5436 |
| DB | ||
| - DCR_EP_NAME | DSC0 | DSC1 |
| - DCR_EP_PORT | 5236 | 5236 |
| - DCR_CHECK_PORT | 5536 | 5536 |
| dmasvrmal | ||
| - MAL_INST_NAME | ASM0 | ASM1 |
| - MAL_HOST | 192.168.163.138 | 192.168.163.140 |
| - MAL_PORT | 5636 | 5636 |
| dminit | ||
| - PORT_NUM | 5236 | 5236 |
| - MAL_HOST | 192.168.163.138 | 192.168.163.140 |
| - MAL_PORT | 5736 | 5736 |
| 归档上限 | 10240 | 10240 |
| OGUID | 250715 | 250715 |
1.2 磁盘设置
结合提供的磁盘列表（sdc-sdg，共 5 块磁盘），优化后的 uuid.sh 脚本如下，专门针对这些磁盘生成 udev 规则，确保适配达梦共享存储需求：
#!/bin/bash
# 功能：自动生成指定名称的 udev 规则，替换原有软链接
# 对应关系：sdc->dmdcr, sdd->dmvote, sde->dmredo, sdf->dmdata, sdg->dmdata_bak
# 脚本所在目录
curr=$(cd "$(dirname "$0")"; pwd)
# 规则文件名
rules_file="$curr/99-dm-asmdevices.rules"
# 清理旧规则
rm -f "$rules_file"
# 定义磁盘与目标名称的对应关系（数组顺序：sdc, sdd, sde, sdf, sdg）
disk_suffixes=("c" "d" "e" "f" "g")
target_names=("dmdcr" "dmvote" "dmredo" "dmdata1" "dmdata2")
# 遍历生成规则
for i in "${!disk_suffixes[@]}"; do
suffix=${disk_suffixes[$i]}
name=${target_names[$i]}
disk="/dev/sd$suffix"
# 检查磁盘是否存在
if [ ! -b "$disk" ]; then
echo "警告：磁盘 $disk 不存在，已跳过"
continue
fi
# 获取 scsi_id
scsi_id=$(/usr/lib/udev/scsi_id --whitelisted --replace-whitespace --device="$disk" 2>/dev/null)
if [ -z "$scsi_id" ]; then
echo "错误：无法获取 $disk 的 scsi_id，已跳过"
continue
fi
# 写入规则（指定目标名称）
cat <<EOF >> "$rules_file"
KERNEL=="sd$suffix", SUBSYSTEM=="block", \
PROGRAM=="/usr/lib/udev/scsi_id --whitelisted --replace-whitespace --device=/dev/\$name", \
RESULT=="$scsi_id", \
SYMLINK+="ASMDISK/$name", \
OWNER="dmdba", GROUP="dinstall", MODE="0660"
EOF
done
# 提示后续操作
echo "已生成新规则文件：$rules_file"
echo "执行以下命令生效："
echo "sudo cp $rules_file /etc/udev/rules.d/"
echo "sudo rm -f /dev/ASMDISK/*" # 清理旧链接
echo "sudo udevadm control --reload-rules && sudo udevadm trigger"
ls -l /dev/ASMDISK/
2. 检查磁盘权限与属主
执行命令查看磁盘的属主和权限：
ls -l /dev/sdb /dev/sdc /dev/sdd /dev/sde /dev/sdf
cat /etc/udev/rules.d/99-dm-asmdevices.rules
确保每个磁盘的 KERNEL、RESULT（scsi_id）、SYMLINK 等参数正确，无语法错误（如引号、逗号是否缺失）。
#如果涉及到多路径，则使用多路径绑定
[root@RS1824 ~]# cat mpath.sh
curr=$(cd "$(dirname "$0")";pwd)
rm -f $curr/88-dm-asmdevices.rules
for i in mpatha mpathb mpathc mpathd mpathe;
do
str1="$i:`udevadm info --query=all --name=/dev/mapper/$i | grep DM_UUID`"
str2=${str1#*=}
echo "KERNEL==\"dm-*\",ENV{DM_UUID}==\"${str2}\",SYMLINK+=\"asm-${i}\",OWNER=\"dmdba\",GROUP=\"dinstall\",MODE=\"0660\"" ''
done
##执行上述脚本
[root@RS1824 ~]# ./mpath.sh
##脚本执行成功后，会生成绑定配置文件，可以根据需求进行修改别名 SYMLINK，例如：
[root@RS1824 ~]# cat 88-dm-asmdevices.rules
KERNEL=="dm-*",ENV{DM_UUID}=="mpath-3600b342697bdcefdae7fd52cfd1b00db",SYMLINK+="dm/asm-dmdcr",OWNER="dmdba",GROUP="dinstall",MODE="0660"
KERNEL=="dm-*",ENV{DM_UUID}=="mpath-3600b342449774d0d2c16d990fd6300db",SYMLINK+="dm/asm-dmvote",OWNER="dmdba",GROUP="dinstall",MODE="0660"
KERNEL=="dm-*",ENV{DM_UUID}=="mpath-3600b342a2b1bd08d28e0d58c5db300db",SYMLINK+="dm/asm-dmlog",OWNER="dmdba",GROUP="dinstall",MODE="0660"
KERNEL=="dm-*",ENV{DM_UUID}=="mpath-3600b34208f0b5c5d515dd41dfde300db",SYMLINK+="dm/asm-dmdata",OWNER="dmdba",GROUP="dinstall",MODE="0660"
KERNEL=="dm-*",ENV{DM_UUID}=="mpath-3600b342dfa7bea6dc4c4dec06da300db",SYMLINK+="dm/asm-dmarch",OWNER="dmdba",GROUP="dinstall",MODE="0660"
二. 集群搭建
2.1 目录设置
#A机器、B机器配置相同，root依次执行
mkdir /home/dmdba/dmdbms/config -p
mkdir /home/dmdba/dmdbms/logcommit -p
chown dmdba.dinstall /home/dmdba/dmdbms -R
2.2 创建dmdcr_cfg.ini
#A机器、B机器配置相同，dmdba用户依次执行
vim /home/dmdba/dmdbms/config/dmdcr_cfg.ini
DCR_N_GRP = 3 #集群环境有多少个GROUP，范围:1~16
DCR_VTD_PATH = /dev/ASMDISK/dmvote
DCR_OGUID = 250715
[GRP] #新建一个GROUP
DCR_GRP_TYPE = CSS #组类型（CSS/ASM/DB）
DCR_GRP_NAME = GRP_CSS #组名
DCR_GRP_N_EP = 2 #组内节点个数
DCR_GRP_DSKCHK_CNT = 30 #磁盘心跳容错时间，单位:秒
[GRP_CSS]
DCR_EP_NAME = CSS0 #CSS节点名
DCR_EP_HOST = 192.168.163.138 #心跳地址
DCR_EP_PORT = 5336 #CSS端口
[GRP_CSS]
DCR_EP_NAME = CSS1
DCR_EP_HOST = 192.168.163.140 #心跳地址
DCR_EP_PORT = 5336
[GRP]
DCR_GRP_TYPE = ASM
DCR_GRP_NAME = GRP_ASM
DCR_GRP_N_EP = 2
DCR_GRP_DSKCHK_CNT = 30
[GRP_ASM]
DCR_EP_NAME = ASM0 #ASM节点名，和dmasvrmal的MAL_INST_NAME一致
DCR_EP_SHM_KEY = 93360 #共享内存标识
DCR_EP_SHM_SIZE = 1024 #共享内存大小
DCR_EP_HOST = 192.168.163.138 #心跳地址
DCR_EP_PORT = 5436 #ASM端口
DCR_EP_ASM_LOAD_PATH = /dev/ASMDISK
[GRP_ASM]
DCR_EP_NAME = ASM1
DCR_EP_SHM_KEY = 93361
DCR_EP_SHM_SIZE = 1024
DCR_EP_HOST = 192.168.163.140 #心跳地址
DCR_EP_PORT = 5436
DCR_EP_ASM_LOAD_PATH = /dev/ASMDISK
[GRP]
DCR_GRP_TYPE = DB
DCR_GRP_NAME = GRP_DB
DCR_GRP_N_EP = 2
DCR_GRP_DSKCHK_CNT = 30
[GRP_DB]
DCR_EP_NAME = DSC0 #实例名，和dm.ini的INSTANCE_NAME一致
DCR_EP_SEQNO = 0 #组内序号，不能重复
DCR_EP_PORT = 5236 #实例端口，和dm.ini的PORT_NUM一致
DCR_CHECK_PORT = 5536 #DCR检查端口
[GRP_DB]
DCR_EP_NAME = DSC1
DCR_EP_SEQNO = 1
DCR_EP_PORT = 5236
DCR_CHECK_PORT = 5536
3. 创建dmasvrmal.ini
#A机器、B机器配置相同，依次执行dmdba用户执行：
vim /home/dmdba/dmdbms/config/dmasvrmal.ini
[MAL_INST1]
MAL_INST_NAME = ASM0
MAL_HOST = 192.168.163.138 #心跳地址
MAL_PORT = 5636
[MAL_INST2]
MAL_INST_NAME = ASM1
MAL_HOST = 192.168.163.140 #心跳地址
MAL_PORT = 5636
4. 创建dmdcr.ini
#这里配置加注释是为了不影响使用，后续需取消注释
#A机器 dmdba用户执行：
vim /home/dmdba/dmdbms/config/dmdcr.ini
DMDCR_PATH = /dev/ASMDISK/dmdcr
DMDCR_MAL_PATH = /home/dmdba/dmdbms/config/dmasvrmal.ini
DMDCR_SEQNO = 0
DMDCR_ASM_TRACE_LEVEL = 2
DMDCR_AUTO_OPEN_CHECK = 111
#DMDCR_ASM_RESTART_INTERVAL = 60
#DMDCR_ASM_STARTUP_CMD = /home/dmdba/dmdbms/bin/DmASMSvrServiceASM start
#DMDCR_DB_RESTART_INTERVAL = 60
#DMDCR_DB_STARTUP_CMD = /home/dmdba/dmdbms/bin/DmServiceDMS start
#B机器 dmdba用户执行：
vim /home/dmdba/dmdbms/config/dmdcr.ini
DMDCR_PATH = /dev/ASMDISK/dmdcr
DMDCR_MAL_PATH = /home/dmdba/dmdbms/config/dmasvrmal.ini
DMDCR_SEQNO = 1
DMDCR_ASM_TRACE_LEVEL = 2
DMDCR_AUTO_OPEN_CHECK = 111
#DMDCR_ASM_RESTART_INTERVAL = 60
#DMDCR_ASM_STARTUP_CMD = /home/dmdba/dmdbms/bin/DmASMSvrServiceASM start
#DMDCR_DB_RESTART_INTERVAL = 60
#DMDCR_DB_STARTUP_CMD = /home/dmdba/dmdbms/bin/DmServiceDMS start
5. 创建dminit.ini
#在A机器执行 dmdba用户执行：
vim /home/dmdba/dmdbms/config/dminit.ini
db_name = DSC #初始化数据库名称，必须大写
system_path = +DM_DATA/DATA
main = +DM_DATA/DATA/DSC/main.dbf
main_size = 1024
roll = +DM_DATA/DATA/DSC/roll.dbf
roll_size = 10240
system = +DM_DATA/DATA/DSC/system.dbf
system_size = 1024
ctl_path = +DM_DATA/DATA/DSC/dm.ctl
ctl_size = 8
log_size = 2048
dcr_path = /dev/ASMDISK/dmdcr
dcr_seqno = 0
auto_overwrite = 1
PAGE_SIZE = 32
EXTENT_SIZE = 32
CASE_SENSITIVE = Y
CHARSET = 0
BLANK_PAD_MODE = 1
SYSDBA_PWD = Sysdba@123
SYSAUDITOR_PWD = Sysauditor@123
[DSC0]
config_path = /home/dmdba/dmdbms/config/DSC0_config
port_num = 5236
mal_host = 192.168.163.138 #心跳地址
mal_port = 5736
log_path = +DM_REDO/log/DSC0_log01.log
log_path = +DM_REDO/log/DSC0_log02.log
log_path = +DM_REDO/log/DSC0_log03.log
log_path = +DM_REDO/log/DSC0_log04.log
[DSC1]
config_path = /home/dmdba/dmdbms/config/DSC1_config
port_num = 5236
mal_host = 192.168.163.140 #心跳地址
mal_port = 5736
log_path = +DM_REDO/log/DSC1_log01.log
log_path = +DM_REDO/log/DSC1_log02.log
log_path = +DM_REDO/log/DSC1_log03.log
log_path = +DM_REDO/log/DSC1_log04.log
6. 初始化磁盘组
#A机器执行
vim /home/dmdba/dmdbms/config/asminit.txt
# asm script file（修正后）
# 对应 sdc（5G，DCR 盘）
create dcrdisk '/dev/ASMDISK/dmdcr' 'DMDCR'
# 对应 sdd（5G，VOTE 盘）
create votedisk '/dev/ASMDISK/dmvote' 'DMVOTE'
# 对应 sde（8G，REDO 日志盘）
create asmdisk '/dev/ASMDISK/dmredo' 'DMREDO'
# 对应 sdf（10G，数据盘1）
create asmdisk '/dev/ASMDISK/dmdata' 'DMDATA1'
# 对应 sdg（10G，数据盘2）
create asmdisk '/dev/ASMDISK/dmarch' 'DMDATA2'
# 初始化 DCR 盘
init dcrdisk '/dev/ASMDISK/dmdcr' from '/home/dmdba/dmdbms/config/dmdcr_cfg.ini' identified by 'Dameng123'
# 初始化 VOTE 盘
init votedisk '/dev/ASMDISK/dmvote' from '/home/dmdba/dmdbms/config/dmdcr_cfg.ini'
#执行初始化
/home/dmdba/dmdbms/bin/dmasmcmd SCRIPT_FILE=/home/dmdba/dmdbms/config/asminit.txt
7. 注册并启动CSS、ASM服务
root用户执行：
[root@dameng mnt]# /home/dmdba/dmdbms/script/root/dm_service_installer.sh -t dmcss -dcr_ini /home/dmdba/dmdbms/config/dmdcr.ini -p CSS
[root@dameng mnt]# /home/dmdba/dmdbms/script/root/dm_service_installer.sh -t dmasmsvr -dcr_ini /home/dmdba/dmdbms/config/dmdcr.ini -y DmCSSServiceCSS.service -p ASM
dmdba用户执行：
A机器：
[dmdba@localhost bin]$ /home/dmdba/dmdbms/bin/DmCSSServiceCSS start
B机器：
[dmdba@localhost bin]$ /home/dmdba/dmdbms/bin/DmCSSServiceCSS start
A机器：
[dmdba@localhost bin]$ /home/dmdba/dmdbms/bin/DmASMSvrServiceASM start
B机器：
[dmdba@localhost bin]$ /home/dmdba/dmdbms/bin/DmASMSvrServiceASM start
8. 创建DMASM磁盘组
#在A机器dmdba用户执行
/home/dmdba/dmdbms/bin/dmasmtool DCR_INI=/home/dmdba/dmdbms/config/dmdcr.ini
-- 创建 REDO 日志磁盘组（使用 dmredo 磁盘）
ASM> create diskgroup 'DM_REDO' asmdisk '/dev/ASMDISK/dmredo'
-- 创建 DATA 数据磁盘组（使用 dmdata1 磁盘）
ASM> create diskgroup 'DM_DATA' asmdisk '/dev/ASMDISK/dmdata'
-- 创建 ARCH 归档磁盘组（使用 dmarch 磁盘）
ASM> create diskgroup 'DM_ARCH' asmdisk '/dev/ASMDISK/dmarch'
初始化实例
#A机器
dmdba用户执行：
[dmdba@rdmDSC03] /home/dmdba/dmdbms/bin/dminit control=/home/dmdba/dmdbms/ config/dminit.ini
...
create dm database success.
--拷贝文件
scp -r /home/dmdba/dmdbms/config/DSC1_config/ 192.168.163.140:/home/dmdba/dmdbms/config/
9. 创建dmarch.ini
#A机器修改ARCH_INI的值为1
vim /home/dmdba/dmdbms/config/DSC0_config/dm.ini
ARCH_INI = 1
vim /home/dmdba/dmdbms/config/DSC0_config/dmarch.ini
[ARCHIVE_LOCAL1]
ARCH_TYPE = LOCAL
ARCH_DEST = +DM_ARCH/DSC0/arch
ARCH_FILE_SIZE = 2048
ARCH_SPACE_LIMIT = 10240
[ARCHIVE_REMOTE1]
ARCH_TYPE = REMOTE
ARCH_DEST = DSC1
ARCH_INCOMING_PATH = +DM_ARCH/DSC1/arch
ARCH_FILE_SIZE = 2048
ARCH_SPACE_LIMIT = 10240
#B机器修改ARCH_INI的值为1
vim /home/dmdba/dmdbms/config/DSC0_config/dm.ini
ARCH_INI = 1
vim /home/dmdba/dmdbms/config/DSC0_config/dmarch.ini
[ARCHIVE_LOCAL1]
ARCH_TYPE = LOCAL
ARCH_DEST = +DM_ARCH/DSC1/arch
ARCH_FILE_SIZE = 2048
ARCH_SPACE_LIMIT = 10240
[ARCHIVE_REMOTE1]
ARCH_TYPE = REMOTE
ARCH_DEST = DSC0
ARCH_INCOMING_PATH = +DM_ARCH/DSC0/arch
ARCH_FILE_SIZE = 2048
ARCH_SPACE_LIMIT = 10240
10. 修改sql日志
两个节点都需要修改
vi /home/dmdba/dmdbms/config/DSC0_config/sqllog.ini
vi /home/dmdba/dmdbms/config/DSC1_config/sqllog.ini
#确认并修改以下参数
BUF_TOTAL_SIZE = 10240
BUF_SIZE = 1024
BUF_KEEP_CNT = 20
FILE_PATH = /dmbak/dmlogcommit
SWITCH_LIMIT = 128 --单个日志128M
FILE_NUM = 100 --保留日志数量，100个
ASYNC_FLUSH = 1 --异步写入日志
11. 注册DMSERVER后台服务,修改服务
#A
/home/dmdba/dmdbms/script/root/dm_service_installer.sh -t dmserver -dm_ini /home/dmdba/dmdbms/config/DSC0_config/dm.ini -dcr_ini /home/dmdba/dmdbms/config/dmdcr.ini -y DmASMSvrServiceASM.service -p DMS
#B
/home/dmdba/dmdbms/script/root/dm_service_installer.sh -t dmserver -dm_ini /home/dmdba/dmdbms/config/DSC1_config/dm.ini -dcr_ini /home/dmdba/dmdbms/config/dmdcr.ini -y DmASMSvrServiceASM.service -p DMS
修改服务脚本
A、B 机器都要执行
vi /home/dmdba/dmdbms/bin/DmServiceDMS
修改为：
export MALLOC_ARENA_MAX=1
修改dmdcr.ini，反注释之前注释的4行配置
vim /home/dmdba/dmdbms/config/dmdcr.ini
#取消注释 A B都执行
DMDCR_ASM_RESTART_INTERVAL = 60
DMDCR_ASM_STARTUP_CMD = /home/dmdba/dmdbms/bin/DmASMSvrServiceASM start
DMDCR_DB_RESTART_INTERVAL = 60
DMDCR_DB_STARTUP_CMD = /home/dmdba/dmdbms/bin/DmServiceDMS start
12. 重启服务器，查看服务是否正常
reboot
13. 配置监视器
## A 机器、B 机器配置相同
[dmdba@~]# vi /dm/dmdbms/bin/dmcssm.ini
CSSM_OGUID = 210715
CSSM_CSS_IP = 192.168.163.138:5336
CSSM_CSS_IP = 192.168.163.140:5336
CSSM_LOG_PATH = ../log
CSSM_LOG_FILE_SIZE = 512
CSSM_LOG_SPACE_LIMIT = 2048
#注册服务
[root@~]# /dm/dmdbms/script/root/dm_service_installer.sh -t dmcssm -cssm_ini /dm/dmdbms/bin/dmcssm.ini -p Monitor
##备注：删除自启
[root@~]# /dm/dmdbms/script/root/dm_service_uninstaller.sh -n DmCSSMonitorServiceMonitor
#手动启动
dmcssm INI_PATH=/home/dmdba/dmdbms/bin/dmcssm.ini
show 查看集群状态
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