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十步完成达梦数据守护搭建
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十步完成达梦数据守护搭建

一生相依 2024/06/24 445 0 0
    • 1. 配置清单

准备3台测试服务器,01、02作为主备数据库,03作为监视器(dbmonitor)。
dmtest01(192.168.219.123)
dmtest02(192.168.219.124)
dmtest03(192.168.219.125)
主备库的配置规划如下,生产环境的 MAL_HOST 建议使用独立网段IP。
image.png

  1. 主库备份

以dmdba用户访问dmtest01

cd /dm8/bin
./DmServiceDMSERVER stop
./dmrman
BACKUP DATABASE '/dm8/data/DMTEST/dm.ini' FULL TO BACKUP_FILE1 BACKUPSET IL'/dm8/backup/BACKUP_FILE_01'
exit 
scp /dm8/backup/BACKUP_FILE_01/*.* dmdba@192.168.219.124:/dm8/backup/BACKUP_FILE_01

  1. 备库恢复还原

以dmdba用户访问dmtest02

./DmServiceDMSERVER2 stop
mkdir -p /dm8/backup/BACKUP_FILE_01
./dmrman
RESTORE DATABASE '/dm8/data/DMTEST/dm.ini' FROM BACKUPSET '/dm8/backup/BACKUP_FILE_01'
RECOVER DATABASE '/dm8/data/DMTEST/dm.ini' FROM BACKUPSET '/dm8/backup/BACKUP_FILE_01'
RECOVER DATABASE '/dm8/data/DMTEST/dm.ini' UPDATE DB_MAGIC
exit

  1. 配置主库

(1) dm.ini 配置

以dmdba用户访问dmtest01

vi dm.ini

编辑或修订如下内容:

PORT_NUM = 5237
DW_INACTIVE_INTERVAL = 60
ALTER_MODE_STATUS = 0
ENABLE_OFFLINE_TS = 2
MAL_INI = 1
ARCH_INI = 1
RLOG_SEND_APPLY_MON = 64

(2) dmmal.ini 配置

vi dmmal.ini

复制粘贴如下内容:

MAL_CONN_FAIL_INTERVAL = 5
[MAL_INST1]
MAL_INST_NAME = DMSERVER
MAL_HOST = 192.168.219.123
MAL_PORT = 55101
MAL_INST_HOST = 192.168.219.123
MAL_INST_PORT = 5237
MAL_DW_PORT = 65101
MAL_INST_DW_PORT = 45101
[MAL_INST2]
MAL_INST_NAME = DMSERVER2
MAL_HOST = 192.168.219.124
MAL_PORT = 55121
MAL_INST_HOST = 192.168.219.124
MAL_INST_PORT = 5237
MAL_DW_PORT = 65121
MAL_INST_DW_PORT = 45121

(3) dmarch.ini 配置

vi dmarch.ini

复制粘贴如下内容:

ARCH_TYPE = REALTIME
ARCH_DEST = DMSERVER2
[ARCHIVE_LOCAL1]
ARCH_TYPE = LOCAL
ARCH_DEST = /dm8/arch
ARCH_FILE_SIZE = 128
ARCH_SPACE_LIMIT = 0

(4) dmwatcher.ini 配置

vi dmwatcher.ini

复制粘贴如下内容:

DW_TYPE = GLOBAL
DW_MODE = AUTO
DW_ERROR_TIME = 10
INST_RECOVER_TIME = 60
INST_ERROR_TIME = 10
INST_OGUID = 453331
INST_INI = /dm8/data/DMTEST/dm.ini
INST_AUTO_RESTART = 1
INST_STARTUP_CMD = /dm8/bin/dmserver
RLOG_SEND_THRESHOLD = 0
RLOG_APPLY_THRESHOLD = 0

  1. mount状态启动主库

设置为手动更新配置:


设置OGUID:


设置为主库:


设置为不许手动更新配置:


  1. 配置备库

(1) dm.ini 配置

以dmdba用户访问dmtest02

vi dm.ini

编辑或修订如下内容:

PORT_NUM = 5237
DW_INACTIVE_INTERVAL = 60
ALTER_MODE_STATUS = 0
ENABLE_OFFLINE_TS = 2
MAL_INI = 1
ARCH_INI = 1
RLOG_SEND_APPLY_MON = 64

(2) dmmal.ini 配置

vi dmmal.ini

复制粘贴如下内容:

MAL_CONN_FAIL_INTERVAL = 5
[MAL_INST1]
MAL_INST_NAME = DMSERVER
MAL_HOST = 192.168.219.123
MAL_PORT = 55101
MAL_INST_HOST = 192.168.219.123
MAL_INST_PORT = 5237
MAL_DW_PORT = 65101
MAL_INST_DW_PORT = 45101
[MAL_INST2]
MAL_INST_NAME = DMSERVER2
MAL_HOST = 192.168.219.124
MAL_PORT = 55121
MAL_INST_HOST = 192.168.219.124
MAL_INST_PORT = 5237
MAL_DW_PORT = 65121
MAL_INST_DW_PORT = 45121

(3) dmarch.ini 配置

vi dmarch.ini

复制粘贴如下内容:

ARCH_TYPE = REALTIME
ARCH_DEST = DMSERVER
[ARCHIVE_LOCAL1]
ARCH_TYPE = LOCAL
ARCH_DEST = /dm8/arch
ARCH_FILE_SIZE = 128
ARCH_SPACE_LIMIT = 0

(4) dmwatcher.ini 配置

vi dmwatcher.ini

复制粘贴如下内容:

DW_TYPE = GLOBAL
DW_MODE = AUTO
DW_ERROR_TIME = 10
INST_RECOVER_TIME = 60
INST_ERROR_TIME = 10
INST_OGUID = 453331
INST_INI = /dm8/data/DMTEST/dm.ini
INST_AUTO_RESTART = 1
INST_STARTUP_CMD = /dm8/bin/dmserver
RLOG_SEND_THRESHOLD = 0
RLOG_APPLY_THRESHOLD = 0

  1. mount状态启动备库

设置为手动更新配置:


设置OGUID:


设置为主库:


设置为不许手动更新配置:


  1. 启动dmwatcher

以dmdba用户访问dmtest01


以dmdba用户访问dmtest02


  1. 启动dmmonitor

以dmdba用户访问dmtest03

vi dmmonitor.ini

复制粘贴如下内容:

MON_LOG_PATH = /dm8/data/log
MON_LOG_INTERVAL = 60
MON_LOG_FILE_SIZE = 32
MON_LOG_SPACE_LIMIT = 0
[GRP1]
MON_INST_OGUID = 453331
MON_DW_IP = 192.168.1.30:65101
MON_DW_IP = 192.168.1.20:65121

启动:

/dm8/bin/dmmonitor /dm8/dmmonitor.ini
10. 注册服务

以root用户访问dmtest01

./dm_service_installer.sh -t dmwatcher -p DMWATCHER -watcher_ini /dm8/data/DMTEST/dmwatcher.ini

以root用户访问dmtest02

./dm_service_installer.sh -t dmwatcher -p DMWATCHER -watcher_ini /dm8/data/DMTEST/dmwatcher.ini

以root用户访问dmtest03

./dm_service_installer.sh -t dmmonitor -p DMMONITOR -monitor_ini /dm8/dmmonitor.ini

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