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    1. [Oracle] Data Guard CPU/PSU補(bǔ)丁安裝的詳細(xì)教程

      時(shí)間:2022-06-28 08:33:12 休閑雜談 我要投稿
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      關(guān)于[Oracle] Data Guard CPU/PSU補(bǔ)丁安裝的詳細(xì)教程

        非Data Guard的補(bǔ)丁安裝教程可參考《[Oracle] CPU/PSU補(bǔ)丁安裝詳細(xì)教程》,Data Guard需要Primary和Standby同時(shí)打上補(bǔ)丁,所以步驟更復(fù)雜一些,其主要步驟如下:

        1.在Primary停止日志傳輸服務(wù);

        2.關(guān)閉Standby數(shù)據(jù)庫,在Standby的軟件上打補(bǔ)丁(注意:不需要為Standby數(shù)據(jù)庫打補(bǔ)。瑔(dòng)standby為mount狀態(tài),不啟用managed recovery;

        3.關(guān)閉Primary,在Primary的軟件和數(shù)據(jù)庫本身都打上補(bǔ);

        4.啟動(dòng)Primary數(shù)據(jù)庫,重新開啟日志傳輸服務(wù);

        5.在Standby啟動(dòng)Redo Apply,這樣Primary上補(bǔ)丁腳本就會(huì)自動(dòng)同步至Standby;

        6.檢查Primary和Standby是否都已安裝補(bǔ)丁。

        下面是一個(gè)具體例子:

        1. 在Primary停止日志傳輸服務(wù)

        復(fù)制代碼 代碼如下:

        sys@EPAY>select database_role from v$database;

        DATABASE_ROLE

        ----------------

        PRIMARY

        sys@EPAY>show parameter log_archive_dest_3

        NAME TYPE VALUE

        ------------------------------------ ----------- ------------------------------

        log_archive_dest_3 string SERVICE=sta ASYNC VALID_FOR=(O

        NLINE_LOGFILES,PRIMARY_ROLE) D

        B_UNIQUE_NAME=epaybk

        log_archive_dest_30 string

        log_archive_dest_31 string

        sys@EPAY>alter system set log_archive_dest_state_3=defer scope=both;

        System altered.

        2.在Standby的Oracle軟件打上補(bǔ)丁

        2.1 關(guān)閉數(shù)據(jù)庫實(shí)例,listener,ASM實(shí)例等

        2.2 查看opatch的版本,如果不夠,就去下載最新的版本

        2.3 在Standby的Oracle軟件上打補(bǔ)丁

        2.4 啟動(dòng)Standby到mount狀態(tài),啟動(dòng)listener

        (注意:Standby不需要對(duì)數(shù)據(jù)庫本身打補(bǔ)。

        3. 在Primary上打補(bǔ)丁

        3.1 關(guān)閉數(shù)據(jù)庫實(shí)例,listener,ASM實(shí)例等

        3.2 查看opatch的版本,如果不夠,就去下載最新的版本

        3.3 在Primary的Oracle軟件上打補(bǔ)丁

        3.4 為Primary數(shù)據(jù)庫本身打補(bǔ)丁

        復(fù)制代碼 代碼如下:

        cd $ORACLE_HOME/rdbms/admin

        sqlplus /nolog

        SQL> CONNECT / AS SYSDBA

        SQL> STARTUP

        SQL> @catbundle.sql psu apply

        SQL> QUIT

        4. 在Primary啟動(dòng)日志傳輸服務(wù)

        4.1 啟動(dòng)Primary listener,數(shù)據(jù)庫實(shí)例等

        4.2 強(qiáng)制注冊(cè)services到listener

        復(fù)制代碼 代碼如下:

        sys@EPAY>alter system register;

        System altered.

        4.3 重新啟動(dòng)日志傳輸服務(wù)

        復(fù)制代碼 代碼如下:

        sys@EPAY>alter system set log_archive_dest_state_3=enable scope=both;

        System altered.

        注意:?jiǎn)?dòng)日志傳輸,在alert里有可能出現(xiàn)如下錯(cuò)誤:

        復(fù)制代碼 代碼如下:

        ------------------------------------------------------------

        Check that the primary and standby are using a password file

        and remote_login_passwordfile is set to SHARED or EXCLUSIVE,

        and that the SYS password is same in the password files.

        returning error ORA-16191

        ------------------------------------------------------------

        根據(jù)錯(cuò)誤信息的提示,應(yīng)該是主庫在做CPU補(bǔ)丁的時(shí)候把sys密碼修改了,用主庫的密碼文件替換備庫的密碼文件即可解決該錯(cuò)誤。

        5. Standby啟動(dòng)Redo Apply

        5.1 open Standby 數(shù)據(jù)庫

        5.2 啟用Redo Apply

        復(fù)制代碼 代碼如下:

        sys@EPAY>alter database recover managed standby database disconnect from session;

        Database altered.

        5.3 驗(yàn)證Primary和Standby是否同步

        在primary端查詢當(dāng)前最大的歸檔日志序號(hào):

        復(fù)制代碼 代碼如下:

        sys@EPAY>select max(sequence#) from v$archived_log;

        MAX(SEQUENCE#)

        --------------

        159

        在standby端查詢已傳過來的歸檔日志:

        復(fù)制代碼 代碼如下:

        sys@EPAY>select sequence#, applied from v$archived_log;

        5.4 從alert.log可用看出同步了3個(gè)日志文件(即把在primary打的補(bǔ)丁同步到了standby)

        復(fù)制代碼 代碼如下:

        alter database recover managed standby database disconnect from session

        Attempt to start background Managed Standby Recovery process (epay)

        Wed Jul 10 06:03:48 2013

        MRP0 started with pid=29, OS id=15030

        MRP0: Background Managed Standby Recovery process started (epay)

        started logmerger process

        Wed Jul 10 06:03:53 2013

        Managed Standby Recovery not using Real Time Apply

        Wed Jul 10 06:04:01 2013

        Parallel Media Recovery started with 32 slaves

        Waiting for all non-current ORLs to be archived...

        All non-current ORLs have been archived.

        Wed Jul 10 06:04:01 2013

        Completed: alter database recover managed standby database disconnect from session

        Media Recovery Log /data/oradata/epay/archivelog/1_157_814716635.dbf

        Media Recovery Log /data/oradata/epay/archivelog/1_158_814716635.dbf

        Media Recovery Log /data/oradata/epay/archivelog/1_159_814716635.dbf

        Media Recovery Waiting for thread 1 sequence 160 (in transit)

        6. 后期檢查補(bǔ)丁是否安裝成功

        6.1 在primary, standby分別指向opatch lsinventory

        6.2 在數(shù)據(jù)庫里檢查補(bǔ)丁是否安裝成功

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