第二章 DMDSC集群搭建
五、DMDSC部署
5.1集群规划
服务器配置信息

5.2、存储规划
5.2.1划分存储(虚拟机一共分配了60G)

A机器:小于2TB的存储使用fdisk命令来划分
[root@~]# fdisk /dev/sdb
1) 依次输入 n p 1 回车 +100M,完成第一块磁盘划分
2) 依次输入 n p 2 回车 +100M,完成第二块磁盘划分
3) 依次输入 n p 3 回车 +20480M,完成第三块磁盘划分
4) 依次输入 n p 回车 回车 回车,完成第四块磁盘划分
5) 输入w命令,将裸设备划分的设置进行保存
A机器:大于2TB的需要使用parted命令来划分
[root@~]# parted /dev/sdb
1) 输入 mklabel gpt 回车,将MBR磁盘磁盘转换为gpt格式
2) 输入 mkpart primary 0 100 回车,完成第一块磁盘划分
3) 输入 mkpart primary 100 200 回车,完成第二块磁盘划分
4) 输入 mkpart primary 200 20680 回车,完成第三块磁盘划分
5) 输入 mkpart primary 20680 5498G 回车,完成第四块磁盘划分
6) 输入 quit 回车,完成磁盘划分
A机器、B机器依次执行
[root@~]# partprobe /dev/sdb
5.2.2挂存储方法1:直接挂
A机器、B机器依次修改
[root@~]# vi /etc/udev/rules.d/70-persistent-ipoib.rules
ACTION=="add", KERNEL=="sdb1", RUN+="/bin/raw /dev/raw/raw1 %N"
ACTION=="add", KERNEL=="sdb2", RUN+="/bin/raw /dev/raw/raw2 %N"
ACTION=="add", KERNEL=="sdb3", RUN+="/bin/raw /dev/raw/raw3 %N"
ACTION=="add", KERNEL=="sdb4", RUN+="/bin/raw /dev/raw/raw4 %N"
ACTION=="add", KERNEL=="raw[1-4]", OWNER="dmdba", GROUP="dinstall", MODE="660"
[root@~]# partprobe /dev/sdb
[root@~]# reboot
注意:可通过blockdev --getsize64 /dev/raw/raw*命令查看设备大小。
5.2.3挂存储方法2:多路径绑定
使用命令ll /dev/mappr和ll /dev/dm*查看对应设备的信息
例如,/dev/mapper/mpathg1对应dm-3,主设备编号为253,次设备编号为3
A机器、B机器依次修改
[root@~]# vi /etc/udev/rules.d/70-persistent-ipoib.rules
ACTION=="add",ENV{MAJOR}=="253",ENV{MINOR}=="3",RUN+="/bin/raw /dev/raw/raw1 %M %m"
ACTION=="add",ENV{MAJOR}=="253",ENV{MINOR}=="4",RUN+="/bin/raw /dev/raw/raw2 %M %m"
ACTION=="add",ENV{MAJOR}=="253",ENV{MINOR}=="5",RUN+="/bin/raw /dev/raw/raw3 %M %m"
ACTION=="add",ENV{MAJOR}=="253",ENV{MINOR}=="6",RUN+="/bin/raw /dev/raw/raw4 %M %m"
ACTION=="add",KERNEL=="raw[1-4]",OWNER="dmdba",GROUP="dinstall",MODE="660"
[root@~]# partprobe /dev/mapper/mpathg
[root@~]# reboot
注意:可通过blockdev --getsize64 /dev/raw/raw*命令查看设备大小。
5.3、搭建DSC
5.3.1创建dmdcr_cfg.ini
A机器、B机器配置相同
[dmdba@dmdsc01 config]$ vi dmdcr_cfg.ini
DCR_N_GRP = 3 #集群环境有多少个GROUP,范围:1~16
DCR_VTD_PATH = /dev/raw/raw2 #Voting Disk Path
DCR_OGUID = 45331
[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 = 60 #磁盘心跳容错时间,单位:秒
[GRP_CSS]
DCR_EP_NAME = CSS0 #CSS节点名
DCR_EP_HOST = 192.168.10.100 #心跳地址
DCR_EP_PORT = 5336 #CSS端口
[GRP_CSS]
DCR_EP_NAME = CSS1
DCR_EP_HOST = 192.168.10.101
DCR_EP_PORT = 5337
[GRP]
DCR_GRP_TYPE = ASM
DCR_GRP_NAME = GRP_ASM
DCR_GRP_N_EP = 2
DCR_GRP_DSKCHK_CNT = 60
[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 = 10 #共享内存大小
DCR_EP_HOST = 192.168.10.100 #心跳地址
DCR_EP_PORT = 5436 #ASM端口
DCR_EP_ASM_LOAD_PATH = /dev/raw
[GRP_ASM]
DCR_EP_NAME = ASM1
DCR_EP_SHM_KEY = 93361
DCR_EP_SHM_SIZE = 10
DCR_EP_HOST = 192.168.10.101
DCR_EP_PORT = 5437
DCR_EP_ASM_LOAD_PATH = /dev/raw
[GRP]
DCR_GRP_TYPE = DB
DCR_GRP_NAME = GRP_DSC
DCR_GRP_N_EP = 2
DCR_GRP_DSKCHK_CNT = 60
[GRP_DSC]
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_DSC]
DCR_EP_NAME = DSC1
DCR_EP_SEQNO = 1
DCR_EP_PORT = 5236
DCR_CHECK_PORT = 5537
5.3.2初始化磁盘组
A机器
[dmdba@dmdsc01 bin]$ ./dmasmcmd
DMASMCMD V8
ASM>
ASM>create dcrdisk '/dev/raw/raw1' 'dcr'
[Trace]The ASM initialize dcrdisk /dev/raw/raw1 to name DMASMdcr
Used time: 49.881(ms).
ASM>create votedisk '/dev/raw/raw2' 'vote'
[Trace]The ASM initialize votedisk /dev/raw/raw2 to name DMASMvote
Used time: 11.775(ms).
ASM>create asmdisk '/dev/raw/raw3' 'LOG0'
[Trace]The ASM initialize asmdisk /dev/raw/raw3 to name DMASMLOG0
Used time: 16.099(ms).
ASM>create asmdisk '/dev/raw/raw4' 'DATA0'
[Trace]The ASM initialize asmdisk /dev/raw/raw4 to name DMASMDATA0
Used time: 1.568(ms).
ASM>
ASM>init dcrdisk '/dev/raw/raw1' from '/dm8/dsc/config/dmdcr_cfg.ini' identified by 'admin1234'
[Trace]DG 126 alloc one extent for inodes, addr(disk_id, disk_auno, extent_no):(0,0,1).
[Trace]DG 126 allocate 4 extents for file 0xfe000002.
[Trace]DG 126 alloc 4 extents for 0xfe000002, addr(disk_id, disk_auno, extent_no):(0, 0, 2)->(0, 0, 5), need_init = 1.
Used time: 107.381(ms).
ASM>init votedisk '/dev/raw/raw2' from '/dm8/dsc/config/dmdcr_cfg.ini'
[Trace]DG 125 alloc one extent for inodes, addr(disk_id, disk_auno, extent_no):(0,0,1).
[Trace]DG 125 allocate 4 extents for file 0xfd000002.
[Trace]DG 125 alloc 4 extents for 0xfd000002, addr(disk_id, disk_auno, extent_no):(0, 0, 2)->(0, 0, 5), need_init = 1.
Used time: 61.020(ms).
5.3.3创建dmasvrmal.ini
A机器、B机器配置相同
[dmdba@dmdsc01 config]$ vi dmasvrmal.ini
[MAL_INST1]
MAL_INST_NAME = ASM0
MAL_HOST = 192.168.10.100 #心跳地址
MAL_PORT = 5636 #MAL监听端口
[MAL_INST2]
MAL_INST_NAME = ASM1
MAL_HOST = 192.168.10.101
MAL_PORT = 5637
5.3.4创建dmdcr.ini
A机器
[dmdba@dmdsc01 config]$ vi dmdcr.ini
DMDCR_PATH = /dev/raw/raw1
DMDCR_MAL_PATH = /dm8/dsc/config/dmasvrmal.ini
DMDCR_SEQNO = 0
DMDCR_AUTO_OPEN_CHECK = 90
#DMDCR_ASM_RESTART_INTERVAL = 30 #CSS认定ASM故障重启的时间
#DMDCR_ASM_STARTUP_CMD = /dm8/bin/dmasmsvr dcr_ini=/dm8/dsc/config/dmdcr.ini
#DMDCR_DB_RESTART_INTERVAL = 60 #CSS认定DSC故障重启的时间
#DMDCR_DB_STARTUP_CMD = /dm8/bin/dmserver path=/dm8/dsc/config/dsc0_config/dm.ini dcr_ini=/dm8/dsc/config/dmdcr.ini
B机器
[dmdba@dmdsc02 config]$ vi dmdcr.ini
DMDCR_PATH = /dev/raw/raw1
DMDCR_MAL_PATH = /dm8/dsc/config/dmasvrmal.ini
DMDCR_SEQNO = 1
DMDCR_AUTO_OPEN_CHECK = 90
#DMDCR_ASM_RESTART_INTERVAL = 30 #CSS认定ASM故障重启的时间
#DMDCR_ASM_STARTUP_CMD = /dm8/bin/dmasmsvr dcr_ini=/dm8/dsc/config/dmdcr.ini
#DMDCR_DB_RESTART_INTERVAL = 60 #CSS认定DSC故障重启的时间
#DMDCR_DB_STARTUP_CMD = /dm8/bin/dmserver path=/dm8/dsc/config/dsc1_config/dm.ini dcr_ini=/dm8/dsc/config/dmdcr.ini
注意:当前为手动拉起A机器和B机器的ASM和DMSERVER服务。待集群配置完成后,再修改为自动拉起(删除dmdcr.ini中红色井号)。
5.3.5启动CSS、ASM服务
A机器、B机器依次执行
[dmdba@dmdsc01 bin]$ dmcss DCR_INI=/dm8/dsc/config/dmdcr.ini
DMCSS V8
DMCSS IS READY
[2022-06-07 11:03:31:375] [CSS]: 设置EP CSS0[0]为控制节点
--B机器
[dmdba@dmdsc02 bin]$ dmcss DCR_INI=/dm8/dsc/config/dmdcr.ini
DMCSS V8
DMCSS IS READY
[2022-06-07 11:04:46:401] [CSS]: 设置EP CSS0[0]为控制节点
A机器、B机器依次执行
[dmdba@dmdsc01 bin]$ dmasmsvr DCR_INI=/dm8/dsc/config/dmdcr.ini
ASM SELF EPNO:0
DMASMSVR V8
dmasmsvr task worker thread startup
the ASM server is Ready.
--B机器
[dmdba@dmdsc02 bin]$ dmasmsvr DCR_INI=/dm8/dsc/config/dmdcr.ini
ASM SELF EPNO:1
DMASMSVR V8
dmasmsvr task worker thread startup
the ASM server is Ready.
5.3.6创建DMASM磁盘组
A机器
[dmdba@dmdsc01 bin]$ dmasmtool DCR_INI=/dm8/dsc/config/dmdcr.ini
ASM> create diskgroup 'DMLOG' asmdisk '/dev/raw/raw3'
ASM> create diskgroup 'DMDATA' asmdisk '/dev/raw/raw4'
日志信息:
ASM Control Node EPNO:0
check css cmd: EP OPEN, cmd_seq: 12
check css cmd: EP REAL OPEN, cmd_seq: 15
[Trace]atsk_process_connect client is local(1)
[Trace]atsk_process_connect success, client_is_local=1
[Trace]Pre-check asmdisk /dev/raw/raw3
[Trace]asvr2_sync_disk_pre_check code:0
[Trace]asm_disk_add: /dev/raw/raw3
[Trace]Create diskgroup DMLOG, with asmdisk /dev/raw/raw3
[Trace]DG 0 alloc one extent for inodes, addr(disk_id, disk_auno, extent_no):(0,0,1).
[Trace]aptx op_type 1, log_len 1170, start seq 0
[Trace]generate one rpag seq 0.
[Trace]generate one rpag seq 1.
[Trace]generate one rpag seq 2.
[Trace]aptx flush op_type 1, log_len 1170, start seq 3
[Trace]The disk metadata addr(0, 0) flush.
[Trace]Pre-check asmdisk /dev/raw/raw4
[Trace]asvr2_sync_disk_pre_check code:0
[Trace]aptx op_type 1, log_len 15, start seq 3
[Trace]generate one rpag seq 3.
[Trace]aptx flush op_type 1, log_len 15, start seq 4
[Trace]asm_disk_add: /dev/raw/raw4
[Trace]Create diskgroup DMDATA, with asmdisk /dev/raw/raw4
[Trace]DG 1 alloc one extent for inodes, addr(disk_id, disk_auno, extent_no):(0,0,1).
[Trace]aptx op_type 1, log_len 1171, start seq 0
[Trace]generate one rpag seq 0.
[Trace]generate one rpag seq 1.
[Trace]generate one rpag seq 2.
[Trace]aptx flush op_type 1, log_len 1171, start seq 3
[Trace]The disk metadata addr(1, 0) flush.
5.3.7创建dminit.ini
A机器、B机器配置相同
[dmdba@dmdsc01 config]$ vi dminit.ini
db_name = dsc
system_path = +DMDATA/data
main = +DMDATA/data/dsc/main.dbf
main_size = 128
roll = +DMDATA/data/dsc/roll.dbf
roll_size = 128
system = +DMDATA/data/dsc/system.dbf
system_size = 128
ctl_path = +DMDATA/data/dsc/dm.ctl
ctl_size = 8
log_size = 2048
dcr_path = /dev/raw/raw1
dcr_seqno = 0
auto_overwrite = 1
PAGE_SIZE = 32
CASE_SENSITIVE = Y
CHARSET = 0
[DSC0]
config_path = /dm8/dsc/config/dsc0_config
port_num = 5236
mal_host = 192.168.10.100
mal_port = 5736
log_path = +DMLOG/log/dsc0_log01.log
log_path = +DMLOG/log/dsc0_log02.log
[DSC1]
config_path = /dm8/dsc/config/dsc1_config
port_num = 5236
mal_host = 192.168.10.101
mal_port = 5737
log_path = +DMLOG/log/dsc1_log01.log
log_path = +DMLOG/log/dsc1_log02.log
5.3.8初始化实例
A机器
--初始化实例
[dmdba@dmdsc01 config]$ dminit control=/dm8/dsc/config/dminit.ini
initdb V8
db version: 0x7000c
file dm.key not found, use default license!
License will expire on 2023-03-04
Normal of FAST
Normal of DEFAULT
Normal of RECYCLE
Normal of KEEP
Normal of ROLL
log file path: +DMLOG/log/dsc0_log01.log
log file path: +DMLOG/log/dsc0_log02.log
log file path: +DMLOG/log/dsc1_log01.log
log file path: +DMLOG/log/dsc1_log02.log
write to dir [+DMDATA/data/dsc].
create dm database success. 2022-06-07 11:13:32
--拷贝文件到B机器
[dmdba@dmdsc01 config]$ scp -r /dm8/dsc/config/dsc1_config dmdba@192.168.10.101:/dm8/dsc/config/
5.3.9创建dmarch.ini
A机器
--修改dm.ini
[dmdba@dmdsc01 config]$ vi /dm8/dsc/config/dsc0_config/dm.ini
ARCH_INI = 1
--创建dmarch.ini
[dmdba@dmdsc01 config]$ vi /dm8/dsc/config/dsc0_config/dmarch.ini
[ARCHIVE_LOCAL]
ARCH_TYPE = LOCAL
ARCH_DEST = /dm8/dsc/arch_0
ARCH_FILE_SIZE = 1024
ARCH_SPACE_LIMIT = 51200
[ARCHIVE_REMOTE]
ARCH_TYPE = REMOTE
ARCH_DEST = DSC1
ARCH_INCOMING_PATH = /dm8/dsc/arch_0_remote
ARCH_FILE_SIZE = 1024
ARCH_SPACE_LIMIT = 51200
B机器
--修改dm.ini
[dmdba@dmdsc02 config]$ vi /dm8/dsc/config/dsc1_config/dm.ini
ARCH_INI = 1
--创建dmarch.ini
[dmdba@dmdsc02 config]$ vi /dm8/dsc/config/dsc1_config/dmarch.ini
[ARCHIVE_LOCAL]
ARCH_TYPE = LOCAL
ARCH_DEST = /dm8/dsc/arch_1
ARCH_FILE_SIZE = 1024
ARCH_SPACE_LIMIT = 51200
[ARCHIVE_REMOTE]
ARCH_TYPE = REMOTE
ARCH_DEST = DSC0
ARCH_INCOMING_PATH = /dm8/dsc/arch_1_remote
ARCH_FILE_SIZE = 1024
ARCH_SPACE_LIMIT = 51200
5.3.10启动DMSERVER服务
A机器
[dmdba@dmdsc01 bin]$ dmserver /dm8/dsc/config/dsc0_config/dm.ini dcr_ini=/dm8/dsc/config/dmdcr.ini
B机器
[dmdba@dmdsc02 bin]$ dmserver /dm8/dsc/config/dsc1_config/dm.ini dcr_ini=/dm8/dsc/config/dmdcr.ini
5.3.11注册CSS、ASM、DMSERVER后台服务
A机器
[root@dmdsc01 root]# ./dm_service_installer.sh -t dmcss -dcr_ini /dm8/dsc/config/dmdcr.ini -p CSS
Created symlink from /etc/systemd/system/multi-user.target.wants/DmCSSServiceCSS.service to /usr/lib/systemd/system/DmCSSServiceCSS.service.
创建服务(DmCSSServiceCSS)完成
[root@dmdsc01 root]# ./dm_service_installer.sh -t dmasmsvr -dcr_ini /dm8/dsc/config/dmdcr.ini -y DmCSSServiceCSS.service -p ASM
Created symlink from /etc/systemd/system/multi-user.target.wants/DmASMSvrServiceASM.service to /usr/lib/systemd/system/DmASMSvrServiceASM.service.
创建服务(DmASMSvrServiceASM)完成
[root@dmdsc01 root]# ./dm_service_installer.sh -t dmserver -dm_ini /dm8/dsc/config/dsc0_config/dm.ini -dcr_ini /dm8/dsc/config/dmdcr.ini -y DmASMSvrServiceASM.service -p DSC
Created symlink from /etc/systemd/system/multi-user.target.wants/DmServiceDSC.service to /usr/lib/systemd/system/DmServiceDSC.service.
创建服务(DmServiceDSC)完成
[root@dmdsc01 root]#
B机器
[root@dmdsc02 root]# ./dm_service_installer.sh -t dmcss -dcr_ini /dm8/dsc/config/dmdcr.ini -p CSS
Created symlink from /etc/systemd/system/multi-user.target.wants/DmCSSServiceCSS.service to /usr/lib/systemd/system/DmCSSServiceCSS.service.
创建服务(DmCSSServiceCSS)完成
[root@dmdsc02 root]# ./dm_service_installer.sh -t dmasmsvr -dcr_ini /dm8/dsc/config/dmdcr.ini -y DmCSSServiceCSS.service -p ASM
Created symlink from /etc/systemd/system/multi-user.target.wants/DmASMSvrServiceASM.service to /usr/lib/systemd/system/DmASMSvrServiceASM.service.
创建服务(DmASMSvrServiceASM)完成
[root@dmdsc02 root]# ./dm_service_installer.sh -t dmserver -dm_ini /dm8/dsc/config/dsc1_config/dm.ini -dcr_ini /dm8/dsc/config/dmdcr.ini -y DmASMSvrServiceASM.service -p DSC
Created symlink from /etc/systemd/system/multi-user.target.wants/DmServiceDSC.service to /usr/lib/systemd/system/DmServiceDSC.service.
创建服务(DmServiceDSC)完成
[root@dmdsc02 root]#
备注:删除自启
[root@dmdsc01 root]# ./dm_service_uninstaller.sh -n DmCSSServiceCSS
[root@dmdsc01 root]# ./dm_service_uninstaller.sh -n DmASMSvrServiceASM
[root@dmdsc01 root]# ./dm_service_uninstaller.sh -n DmServiceDSC
5.4配置监视器
5.4.1创建dmcssm.ini
A机器、B机器配置相同
[dmdba@dmdsc01 bin]$ vi dmcssm.ini
CSSM_OGUID = 45331
CSSM_CSS_IP = 192.168.10.100:5336
CSSM_CSS_IP = 192.168.10.101:5337
CSSM_LOG_PATH = ../log
CSSM_LOG_FILE_SIZE = 512
CSSM_LOG_SPACE_LIMIT = 2048
5.4.2注册服务
[dmdba@dmdsc01 bin]$./dm_service_installer.sh -t dmcssm -cssm_ini /dm8/bin/dmcssm.ini -p Monitor
备注:删除自启
[dmdba@dmdsc01 bin]$./dm_service_uninstaller.sh -n DmCSSMonitorServiceMonitor
5.5启停服务
5.5.1启动监视器
[dmdba@dmdsc01 bin]$ DmCSSMonitorServiceMonitor start
前台启动:[dmdba@dmdsc01 bin]$ dmcssm ini_path=/dm8/bin/dmcssm.ini
[monitor] 2022-06-07 12:43:23: CSS MONITOR V8
[monitor] 2022-06-07 12:43:24: CSS MONITOR SYSTEM IS READY.
[monitor] 2022-06-07 12:43:24: Wait CSS Control Node choosed...
[monitor] 2022-06-07 12:43:25: Wait CSS Control Node choosed succeed.
5.5.2启停集群
启动:A/B机器CSS
A/B机器:[dmdba@dmdsc01 bin]$ /opt/dsc/dmdbms/bin/DmCSSServiceCSS start
说明:CSS启动后30秒自动拉起ASM,60秒自动拉起DMSERVER。
停止: A/B机器DMSERVER→A/B机器ASM→A/B机器CSS
A/B机器:[dmdba@dmdsc01 bin]$ DmServiceDSC stop
A/B机器:[dmdba@dmdsc01 bin]$ DmASMSvrServiceASM stop
A/B机器:[dmdba@dmdsc01 bin]$ DmCSSServiceCSS stop
说明:
(1)、DSC正常停库必须2节点同时停止,根据目前脚本配置,CSS启动后30秒自动拉起ASM,60秒自动拉起DMSERVER,所以停止DMSERVER和ASM后,要尽快停止CSS,避免被自动拉起。
(2)、ASM服务在任意节点停止,2个节点的ASM服务都会停止,为了保险起见,可以两边都执行停止命令。
(3)、服务全部停止后,要检查后台进程是否全部停止。
社区地址:https://eco.dameng.com
本文详细介绍了DMDSC集群的部署过程,包括集群规划、存储管理(60GB分配与挂载)、DSC搭建(dmdcr_cfg.ini、磁盘组初始化等步骤)、CSS、ASM及DMSERVER服务的启动与注册,以及监视器配置和集群操作。
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