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今天就跟大家聊聊有關(guān)12c如何在集群操作rac與rac one node互相轉(zhuǎn)換,可能很多人都不太了解,為了讓大家更加了解,小編給大家總結(jié)了以下內(nèi)容,希望大家根據(jù)這篇文章可以有所收獲。
-- 首先在集群里停掉2號節(jié)點(diǎn)的實(shí)例
[oracle@host01 app]$ srvctl stop instance -d racdb -i racdb_2
--查看rac的類型,目前顯示為(Type: RAC)
[oracle@host01 app]$ srvctl config database -d racdb
Database unique name: racdb
Database name: racdb
Oracle home: /u01/app/oracle/product/12.1.0/db_1
Oracle user: oracle
Spfile: +DATA/RACDB/PARAMETERFILE/spfile.288.960026421
Password file: +DATA/RACDB/PASSWORD/pwdracdb.276.960026013
Domain:
Start options: open
Stop options: immediate
Database role: PRIMARY
Management policy: AUTOMATIC
Server pools: racdbpool
Disk Groups: FRA,DATA
Mount point paths:
Services: RACDBACN
Type: RAC
Start concurrency:
Stop concurrency:
OSDBA group: dba
OSOPER group: oper
Database instances:
Configured nodes:
Database is policy managed
-- 轉(zhuǎn)換成rac one node類型
[oracle@host01 app]$ srvctl convert database -d racdb -c RACONENODE
-- 再查看rac的類型,此時顯示(Type: RACOneNode)
[oracle@host01 app]$ srvctl config database -d racdb
Database unique name: racdb
Database name: racdb
Oracle home: /u01/app/oracle/product/12.1.0/db_1
Oracle user: oracle
Spfile: +DATA/RACDB/PARAMETERFILE/spfile.288.960026421
Password file: +DATA/RACDB/PASSWORD/pwdracdb.276.960026013
Domain:
Start options: open
Stop options: immediate
Database role: PRIMARY
Management policy: AUTOMATIC
Server pools: racdbpool
Disk Groups: FRA,DATA
Mount point paths:
Services: RACDBACN
Type: RACOneNode
Online relocation timeout: 30
Instance name prefix: racdb
Candidate servers:
OSDBA group: dba
OSOPER group: oper
Database instances:
Database is policy managed
-- 嘗試再重新轉(zhuǎn)換回rac類型
[oracle@host01 app]$ srvctl convert database -d racdb -c RAC
-- 查看rac的類型,已經(jīng)變成rac了,而且在兩個節(jié)點(diǎn)上的實(shí)例也被起來了
[oracle@host01 app]$ srvctl config database -d racdb
Database unique name: racdb
Database name: racdb
Oracle home: /u01/app/oracle/product/12.1.0/db_1
Oracle user: oracle
Spfile: +DATA/RACDB/PARAMETERFILE/spfile.288.960026421
Password file: +DATA/RACDB/PASSWORD/pwdracdb.276.960026013
Domain:
Start options: open
Stop options: immediate
Database role: PRIMARY
Management policy: AUTOMATIC
Server pools: racdbpool
Disk Groups: FRA,DATA
Mount point paths:
Services: RACDBACN
Type: RAC
Start concurrency:
Stop concurrency:
OSDBA group: dba
OSOPER group: oper
Database instances:
Configured nodes:
Database is policy managed
-- 再重新轉(zhuǎn)換回rac one node
[oracle@host01 app]$ srvctl convert database -d racdb -c RACONENODE
PRCD-1154 : Failed to convert the configuration of cluster database racdb into its equivalent RAC One Node database configuration because cluster database is running on more than one server [host02, host01]
-- 提示有兩個節(jié)點(diǎn)在跑,關(guān)掉2號節(jié)點(diǎn)
[oracle@host01 app]$ srvctl stop instance -d racdb -i racdb_2
PRCD-1315 : failed to stop instances for database racdb
PRCR-1014 : Failed to stop resource ora.racdb.db
PRCR-1065 : Failed to stop resource ora.racdb.db
CRS-2529: Unable to act on 'ora.racdb.db' because that would require stopping or relocating 'ora.racdb.racserv.svc', but the force option was not specified
-- 提示要先關(guān)掉racserv這個service才能關(guān)閉2號節(jié)點(diǎn)實(shí)例
[oracle@host01 app]$ srvctl stop service -d RACDB -s racserv
-- 再次關(guān)閉實(shí)例
[oracle@host01 app]$ srvctl stop instance -d racdb -i racdb_2
-- 轉(zhuǎn)換rac至rac one node
[oracle@host01 app]$ srvctl convert database -d racdb -c RACONENODE
-- 查狀態(tài),轉(zhuǎn)換成功
[oracle@host01 app]$ srvctl config database -d racdb
Database unique name: racdb
Database name: racdb
Oracle home: /u01/app/oracle/product/12.1.0/db_1
Oracle user: oracle
Spfile: +DATA/RACDB/PARAMETERFILE/spfile.288.960026421
Password file: +DATA/RACDB/PASSWORD/pwdracdb.276.960026013
Domain:
Start options: open
Stop options: immediate
Database role: PRIMARY
Management policy: AUTOMATIC
Server pools: racdbpool
Disk Groups: FRA,DATA
Mount point paths:
Services: RACDBACN
Type: RACOneNode
Online relocation timeout: 30
Instance name prefix: racdb
Candidate servers:
OSDBA group: dba
OSOPER group: oper
Database instances:
Database is policy managed
看完上述內(nèi)容,你們對12c如何在集群操作rac與rac one node互相轉(zhuǎn)換有進(jìn)一步的了解嗎?如果還想了解更多知識或者相關(guān)內(nèi)容,請關(guān)注億速云行業(yè)資訊頻道,感謝大家的支持。
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