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How to config Oracle Member Cluster for database

配置安装Oracle Member Cluster for database很简单,大致有以下四步。如果还没有安装和配置Domain Services Cluster,请点击此处完成安装后再继续。

    在Domain Services Cluster节点上生成配置文件

    在Domain Services Cluster上配置下磁盘组的属性

    在Member Cluster节点上读取配置文件安装GI和DB软件

    最后在Member Cluster节点上创建数据库就好了

下图Domain Services Cluster和Member Cluster的架构图



A.在Domain Service Cluster节点上生成Member Cluster配置文件

crsctl create member_cluster_configuration -h

[orgrid@ohs3 ~]$ crsctl create member_cluster_configuration -h
Usage:
  crsctl create member_cluster_configuration <member_cluster_name> -file <cluster_manifest_file>  -member_type <database|application>  [-version <member_cluster_version>] [-domain_services [acfs][asm_storage <local|direct|indirect>][<rhp>]]
  where
     member_cluster_name    name of the new Member Cluster
     -file                  path of the Cluster Manifest File (including the '.xml' extension) to be created
     -member_type           type of member cluster to be created
     -version               5 digit version of GI (example: 12.2.0.2.0) on the new Member Cluster, if
                            different from the Domain Services Cluster
     -domain_services       services to be initially configured for this member
                            cluster (asm_storage with local, direct, or indirect access paths, acfs and rhp)
                            --note that if "-domain_services" option is not specified,
                            then only the GIMR and TFA services will be configured
     asm_storage            indicates the storage access path for the database member clusters
                            local : storage is local to the cluster
                            direct or indirect : direct or indirect access to storage provided on the Domain Services Cluster
     rhp                    generate credentials and configuration for an RHP client cluster
     acfs                   generate credentials and configuration for an ACFS client cluster.

[orgrid@ohs3 ~]$


[orgrid@ohs3 ~]$ crsctl create member_cluster_configuration dcm-cluster -file /tmp/dcm-cluster.xml -member_type database -version 18.3.0.0.0 -domain_services asm_storage indirect rhp acfs  

---------------------------------------
ASM GIMR TFA ACFS RHP GNS STORAGE ACCESS
=======================================
YES  YES YES  YES YES  NO       Indirect
=======================================
[orgrid@ohs3 ~]$


B.在Domain Service Cluster节点上导出GNS配置信息
[orgrid@ohs3 ~]$ srvctl export gns -clientdata /tmp/dcm-cluster.xml -role CLIENT
[orgrid@ohs3 ~]$
注意:此步骤会追加到生成的member cluster配置文件/tmp/dcm-cluster.xml,共用GNS

C.查看并将文件传送到Member Cluster的所有节点的相同目录
[orgrid@ohs3 ~]$ ls -l /tmp/dcm-cluster.xml
-rw-r--r-- 1 orgrid oinstall 56674 Aug 13 14:54 /tmp/dcm-cluster.xml
[orgrid@ohs3 ~]$
[orgrid@ohs3 ~]$ scp /tmp/dcm-cluster.xml ohs5:/tmp
orgrid@ohs5's password:
dcm-cluster.xml            100%   55KB  55.4KB/s   00:00
[orgrid@ohs3 ~]$

D.在Member Cluster节点上执行nslookup查询Domain Service Cluster Scan地址,确保DNS能正常工作
[orgrid@ohs5 ~]$ 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
[orgrid@ohs5 ~]$

安装配置信息


Grid Infrastructure安装截图


Database Installer截图


通过DBCA创建数据库

设置磁盘组的属性,否则运行DBCA时,是看不到相应的磁盘组的。通过sqlplus或者通过asmcmd setattr设置
If the Oracle Member Cluster accesses direct or indirect Oracle ASM storage, then, enable access to the disk group. Connect to any Oracle ASM instance as SYSASM user and run the command:
sqlplus / as sysasm
ALTER DISKGROUP diskgroup_name SET ATTRIBUTE 'access_control.enabled' = 'true';

确保IOServer在Domain Service Cluster上正常运行,要不创建数据库时会出错(ORA-59501)。IOS实例需要至少4.5G的内存才能正常运行

[orgrid@ohs3 ~]$ ps -ef|grep pmon
orgrid    6331     1  0 11:09 ?        00:00:01 asm_pmon_+ASM1
orgrid    7380     1  0 11:10 ?        00:00:01 apx_pmon_+APX1
orgrid    7830     1  0 11:10 ?        00:00:01 mdb_pmon_-MGMTDB
orgrid    8285     1  0 11:10 ?        00:00:06 ios_pmon_+IOS1
orgrid   27056 15779  0 20:54 pts/1    00:00:00 grep pmon
[orgrid@ohs3 ~]$


数据库运行信息

通过下图我们可以看到Member Cluster里面只有数据库的pmon信息

集群配置信息
[orgrid@ohs5 ~]$ srvctl config gns
Domain served by GNS: us.ohsdba.cn
Name of the cluster where GNS is running: dcs-cluster
GNS listening addresses: 192.168.56.31.
[orgrid@ohs5 ~]$

[orgrid@ohs5 ~]$ crsctl get cluster mode config
Cluster is configured as type "flex"

[orgrid@ohs5 ~]$ crsctl get cluster mode status
Cluster is running in "flex" mode

[orgrid@ohs5 ~]$ crsctl get cluster type
CRS-6539: The cluster type is 'flex'.

[orgrid@ohs5 ~]$ crsctl get cluster class
CRS-41008: Cluster class is 'Member Cluster'

[orgrid@ohs5 ~]$ crsctl get cluster hubsize
CRS-4950: Current hubsize parameter value is 99
[orgrid@ohs5 ~]$
[orgrid@ohs5 ~]$ srvctl config asm
PRKZ-1078 : Object asm is not supported on an ASM client cluster.
[orgrid@ohs5 ~]$ srvctl config ioserver
PRKZ-1078 : Object ioserver is not supported on an ASM client cluster.
[orgrid@ohs5 ~]$
[orgrid@ohs3 ~]$ crsctl query member_cluster_configuration
--------------------------------------------------------------------------------
           NAME        VERSION GUID                             ASM GIMR TFA ACFS RHP STORAGE ACCESS
================================================================================
    dcm-cluster     18.0.0.0.0 bd3489c795fd4f4fbf034d8b592c3712 YES  YES YES  YES YES       Indirect
================================================================================
[orgrid@ohs3 ~]$


集群状态信息
[orgrid@ohs5 ~]$ /pgold/orgrid/oracle/product/183/bin/crsctl stat res -t
--------------------------------------------------------------------------------
Name           Target  State        Server                   State details
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.LISTENER.lsnr
               ONLINE  ONLINE       ohs5                     STABLE
               ONLINE  ONLINE       ohs6                     STABLE
ora.acfsremote
               ONLINE  ONLINE       ohs5                     STABLE
               ONLINE  ONLINE       ohs6                     STABLE
ora.acfsrm
               ONLINE  ONLINE       ohs5                     STABLE
               ONLINE  ONLINE       ohs6                     STABLE
ora.ccmb
               ONLINE  ONLINE       ohs5                     STABLE
               ONLINE  ONLINE       ohs6                     STABLE
ora.chad
               ONLINE  ONLINE       ohs5                     STABLE
               ONLINE  ONLINE       ohs6                     STABLE
ora.helper
               ONLINE  ONLINE       ohs5                     IDLE,STABLE
               ONLINE  ONLINE       ohs6                     IDLE,STABLE
ora.net1.network
               ONLINE  ONLINE       ohs5                     STABLE
               ONLINE  ONLINE       ohs6                     STABLE
ora.ons
               ONLINE  ONLINE       ohs5                     STABLE
               ONLINE  ONLINE       ohs6                     STABLE
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       ohs6                     STABLE
ora.LISTENER_SCAN2.lsnr
      1        ONLINE  ONLINE       ohs5                     STABLE
ora.LISTENER_SCAN3.lsnr
      1        ONLINE  ONLINE       ohs5                     STABLE
ora.cvu
      1        ONLINE  ONLINE       ohs5                     STABLE
ora.ohs5.vip
      1        ONLINE  ONLINE       ohs5                     STABLE
ora.ohs6.vip
      1        ONLINE  ONLINE       ohs6                     STABLE
ora.pdcmap.db
      1        ONLINE  ONLINE       ohs5                     Open,HOME=/pgold/ord
                                                             b/oracle/product/183
                                                             ,STABLE
      2        ONLINE  ONLINE       ohs6                     Open,HOME=/pgold/ord
                                                             b/oracle/product/183
                                                             ,STABLE
ora.pdcmdb.db
      1        ONLINE  ONLINE       ohs5                     Open,HOME=/pgold/ord
                                                             b/oracle/product/183
                                                             ,STABLE
      2        ONLINE  ONLINE       ohs6                     Open,HOME=/pgold/ord
                                                             b/oracle/product/183
                                                             ,STABLE
ora.qosmserver
      1        ONLINE  ONLINE       ohs5                     STABLE
ora.rhpclient
      1        ONLINE  ONLINE       ohs5                     STABLE
ora.scan1.vip
      1        ONLINE  ONLINE       ohs6                     STABLE
ora.scan2.vip
      1        ONLINE  ONLINE       ohs5                     STABLE
ora.scan3.vip
      1        ONLINE  ONLINE       ohs5                     STABLE
--------------------------------------------------------------------------------
[orgrid@ohs5 ~]$


Reference

https://docs.oracle.com/en/database/oracle/oracle-database/12.2/cwsol/creating-member-cluster-manifest-file.html


关键词:ORA-59501 ioserver 18c oracle 

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