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Install Oracle Domain Service Cluster Step by Step

Oracle Cluster Domain是在Oracle ClusterWare 12cR2中引入的新的集群部署体系架构。通过她能够对您数据库平台集群的标准化、集中管理和优化提供帮助。Oracle Cluster Domain包含了Oracle Domain Services Cluster和Oracle Member Clusters(其中Member根据功能又可分为运行DB的集群和运行GI的集群)。

Oracle Domain Service Cluster可以向Oracle Cluster Domain中的其他集群提供集中的服务,这些服务包括:
 -Grid Infrastructure Management Repository (GIMR)
   为Oracle集群域中的每个集群提供MGMTDB
 -Trace File Analyzer Collector (TFA)
   用于Oracle Clusterware和Oracle Database的目标诊断数据收集
 -Rapid Home Provisioning (RHP)
   用于安装集群、提供、修补和升级Oracle Grid和Oracle Database
 -Storage Services
    ASM Service (direct access to centralized storage)
    通过SAN网络直接访问Oracle Domain Service Cluster中的存储,当然也可以使用Local Storage
    IO-Service (indirect access to centralized storage)
    通过ASM网络访问DiskGroup,无需用连接SAN网络

如果安装为Oracle Domain Service Cluster,需满足下面的条件
  1.配置DNS、DHCP并使用GNS
  2.需要一个空间足够大的DiskGroup用于MGMTDB,IOS,RHP等服务的存储空间

     12.2中需要350G的空间,18c中需要450G的空间

[root@ohs3 ~]# ps -ef|grep pmon
orgrid    6331     1  0 11:09 ?        00:00:00 asm_pmon_+ASM1
orgrid    7380     1  0 11:10 ?        00:00:00 apx_pmon_+APX1
orgrid    7830     1  0 11:10 ?        00:00:00 mdb_pmon_-MGMTDB
orgrid    8285     1  0 11:10 ?        00:00:02 ios_pmon_+IOS1
root     30059 20317  0 15:17 pts/1    00:00:00 grep pmon
[root@ohs3 ~]# 


安装信息总结

本次试验Domain Cluster Service包含了两个节点共分配了24G内存,700G SSD

Grid Infrastructure安装截图

集群配置信息

[root@ohs3 ~]# crsctl get cluster type
CRS-6539: The cluster type is 'flex'.

[root@ohs3 ~]# crsctl get cluster class
CRS-41008: Cluster class is 'Domain Services Cluster'

[root@ohs3 ~]# crsctl get cluster name
CRS-6724: Current cluster name is 'dcs-cluster'

[root@ohs3 ~]# crsctl get cluster hubsize
CRS-4950: Current hubsize parameter value is 99

[root@ohs3 ~]# crsctl query dns -servers
CRS-10018: the following configuration was found on the system:
CRS-10019: There are 2 domains in search order. They are:
ohsdba.cn
us.ohsdba.cn
CRS-10022: There are 1 name servers. They are:
192.168.56.30
CRS-10020: number of retry attempts for name lookup is: 1
CRS-10021: timeout for each name lookup is: 1

[root@ohs3 ~]# srvctl config gns
GNS is enabled.
GNS VIP addresses: 192.168.56.31
Domain served by GNS: us.ohsdba.cn
[root@ohs3 ~]#

[root@ohs3 ~]# srvctl config rhpserver
Storage base path: /opt/oracle/rhp_images
Disk Groups: MGMT
Port number: 23795
Transfer port range:
Rapid Home Provisioning Server is enabled
Rapid Home Provisioning Server is individually enabled on nodes:
Rapid Home Provisioning Server is individually disabled on nodes:
Email address:
Mail server address:
Mail server port:
Transport Level Security disabled
HTTP Secure is enabled
[root@ohs3 ~]#

[root@ohs3 ~]# srvctl config scan
SCAN name: dcs-scan.dcs-cluster.us.ohsdba.cn, Network: 1
Subnet IPv4: 192.168.56.0/255.255.255.0/eth1, dhcp
Subnet IPv6:
SCAN 1 IPv4 VIP: -/scan1-vip/192.168.56.225
SCAN VIP is enabled.
SCAN VIP is individually enabled on nodes:
SCAN VIP is individually disabled on nodes:
SCAN 2 IPv4 VIP: -/scan2-vip/192.168.56.221
SCAN VIP is enabled.
SCAN VIP is individually enabled on nodes:
SCAN VIP is individually disabled on nodes:
SCAN 3 IPv4 VIP: -/scan3-vip/192.168.56.222
SCAN VIP is enabled.
SCAN VIP is individually enabled on nodes:
SCAN VIP is individually disabled on nodes:


[root@ohs3 ~]# nslookup dcs-scan.dcs-cluster.us.ohsdba.cn
Server:         192.168.56.30
Address:        192.168.56.30#53

Non-authoritative answer:
Name:   dcs-scan.dcs-cluster.us.ohsdba.cn
Address: 192.168.56.221
Name:   dcs-scan.dcs-cluster.us.ohsdba.cn
Address: 192.168.56.222
Name:   dcs-scan.dcs-cluster.us.ohsdba.cn
Address: 192.168.56.225

[root@ohs3 ~]#
[orgrid@ohs3 ~]$ srvctl status asm -detail -verbose
ASM is running on ohs3,ohs4
ASM is enabled.
ASM instance +ASM1 is running on node ohs3
Number of connected clients: 4
Client names: +APX1:+APX:dcs-cluster +IOS1:+IOS:dcs-cluster -MGMTDB:_mgmtdb:dcs-cluster ohs3.ohsdba.cn:_OCR:dcs-cluster
ASM instance +ASM2 is running on node ohs4
Number of connected clients: 7
Client names: +APX2:+APX:dcs-cluster +IOS2:+IOS:dcs-cluster ohs4.ohsdba.cn:_OCR:dcs-cluster ohs5.ohsdba.cn:_CSS:DCM-CLUSTER ohs5.ohsdba.cn:_OCR:dcm-cluster ohs6.ohsdba.cn:_CSS:DCM-CLUSTER ohs6.ohsdba.cn:_OCR:dcm-cluster
Detailed state on node ohs3: Started
Detailed state on node ohs4: Started
[orgrid@ohs3 ~]$
[orgrid@ohs3 ~]$ srvctl status ioserver -detail -verbose
ASM I/O Server is running on ohs3,ohs4
ASM I/O Server is enabled.
ASM I/O server instance +IOS2 running on node ohs4 is connected to ASM instance +ASM2
Number of connected clients: 3
Client names: ohs6:_CSS:dcm-cluster pdcmap1:pdcmap:dcm-cluster pdcmdb2:pdcmdb:dcm-cluster
ASM I/O server instance +IOS1 running on node ohs3 is connected to ASM instance +ASM1
Number of connected clients: 3
Client names: ohs5:_CSS:dcm-cluster pdcmap2:pdcmap:dcm-cluster pdcmdb1:pdcmdb:dcm-cluster
[orgrid@ohs3 ~]$


集群状态信息

[root@ohs3 ~]# crsctl stat res -t
--------------------------------------------------------------------------------
Name           Target  State        Server                   State details
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.ASMNET1LSNR_ASM.lsnr
               ONLINE  ONLINE       ohs3                     STABLE
               ONLINE  ONLINE       ohs4                     STABLE
ora.ASMSS.dg
               ONLINE  ONLINE       ohs3                     STABLE
               ONLINE  ONLINE       ohs4                     STABLE
ora.DATA.dg
               ONLINE  ONLINE       ohs3                     STABLE
               ONLINE  ONLINE       ohs4                     STABLE
ora.LISTENER.lsnr
               ONLINE  ONLINE       ohs3                     STABLE
               ONLINE  ONLINE       ohs4                     STABLE
ora.MGMT.GHCHKPT.advm
               ONLINE  ONLINE       ohs3                     STABLE
               ONLINE  ONLINE       ohs4                     STABLE
ora.MGMT.dg
               ONLINE  ONLINE       ohs3                     STABLE
               ONLINE  ONLINE       ohs4                     STABLE
ora.SYSTEMDG.dg
               ONLINE  ONLINE       ohs3                     STABLE
               ONLINE  ONLINE       ohs4                     STABLE
ora.chad
               ONLINE  ONLINE       ohs3                     STABLE
               ONLINE  ONLINE       ohs4                     STABLE
ora.helper
               ONLINE  ONLINE       ohs3                     IDLE,STABLE
               ONLINE  ONLINE       ohs4                     IDLE,STABLE
ora.mgmt.ghchkpt.acfs
               ONLINE  ONLINE       ohs3                     mounted on /opt/orac
                                                             le/rhp_images/chkbas
                                                             e,STABLE
               ONLINE  ONLINE       ohs4                     mounted on /opt/orac
                                                             le/rhp_images/chkbas
                                                             e,STABLE
ora.net1.network
               ONLINE  ONLINE       ohs3                     STABLE
               ONLINE  ONLINE       ohs4                     STABLE
ora.ons
               ONLINE  ONLINE       ohs3                     STABLE
               ONLINE  ONLINE       ohs4                     STABLE
ora.proxy_advm
               ONLINE  ONLINE       ohs3                     STABLE
               ONLINE  ONLINE       ohs4                     STABLE
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       ohs4                     STABLE
ora.LISTENER_SCAN2.lsnr
      1        ONLINE  ONLINE       ohs3                     STABLE
ora.LISTENER_SCAN3.lsnr
      1        ONLINE  ONLINE       ohs3                     STABLE
ora.MGMTLSNR
      1        ONLINE  ONLINE       ohs3                     169.254.9.131 172.16
                                                             .0.103,STABLE
ora.asm
      1        ONLINE  ONLINE       ohs3                     Started,STABLE
      2        ONLINE  ONLINE       ohs4                     Started,STABLE
      3        OFFLINE OFFLINE                               STABLE
ora.cdp1.cdp
      1        ONLINE  ONLINE       ohs4                     STABLE
ora.cdp2.cdp
      1        ONLINE  ONLINE       ohs3                     STABLE
ora.cdp3.cdp
      1        ONLINE  ONLINE       ohs3                     STABLE
ora.cvu
      1        ONLINE  ONLINE       ohs3                     STABLE
ora.gns
      1        ONLINE  ONLINE       ohs3                     STABLE
ora.gns.vip
      1        ONLINE  ONLINE       ohs3                     STABLE
ora.ioserver
      1        ONLINE  ONLINE       ohs4                     STABLE
      2        ONLINE  ONLINE       ohs3                     STABLE
      3        ONLINE  OFFLINE                               STABLE
ora.mgmtdb
      1        ONLINE  ONLINE       ohs3                     Open,STABLE
ora.ohs3.vip
      1        ONLINE  ONLINE       ohs3                     STABLE
ora.ohs4.vip
      1        ONLINE  ONLINE       ohs4                     STABLE
ora.qosmserver
      1        ONLINE  ONLINE       ohs3                     STABLE
ora.rhphavip.havip
      1        OFFLINE OFFLINE                               STABLE
ora.rhpserver
      1        ONLINE  ONLINE       ohs3                     STABLE
ora.scan1.vip
      1        ONLINE  ONLINE       ohs4                     STABLE
ora.scan2.vip
      1        ONLINE  ONLINE       ohs3                     STABLE
ora.scan3.vip
      1        ONLINE  ONLINE       ohs3                     STABLE
--------------------------------------------------------------------------------
[root@ohs3 ~]#


Reference

https://docs.oracle.com/en/database/oracle/oracle-database/18/cwlin/installing-oracle-grid-infrastructure-for-new-cluster.html



关键词:18c oracle rac 

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