Cov txheej txheem:
Video: Kuv yuav teeb tsa Active Data Guard li cas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Ua raws li cov kauj ruam hauv qab no txhawm rau txhawm rau ua kom nquag plias dataguard database
- Ncua tseg cov xov xwm rov qab los ntawm lub cev standby. SQL> hloov cov ntaub ntawv rov qab tswj cov ntaub ntawv standby tshem tawm;
- Qhib lub database [PHYSICAL STANDBY]
- Pib tawm xov xwm rov qab nrog lub sijhawm siv sijhawm tiag tiag[PHYSICAL STANDBY]
- Xyuas cov xwm txheej database: [PHYSICAL STANDBY]
Yog li ntawd, kuv yuav qhib Active Data Guard li cas?
Ua raws li cov kauj ruam hauv qab no txhawm rau txhawm rau ua kom nquag plias dataguard database
- Ncua tseg cov xov xwm rov qab los ntawm lub cev standby. SQL> hloov cov ntaub ntawv rov qab tswj cov ntaub ntawv khaws cia tseg;
- Qhib lub database [PHYSICAL STANDBY]
- Pib tawm xov xwm rov qab nrog lub sijhawm siv sijhawm tiag tiag[PHYSICAL STANDBY]
- Xyuas cov xwm txheej database: [PHYSICAL STANDBY]
Active Data Guard ua haujlwm li cas? Active Data Guard yog qhov kev xaiv muaj ntawv tso cai rau Oracle Database Enterprise Edition. Data Guard cia li synchronizes thawj databases thiab tag nrho cov standby databases los ntawm kev xa thawj database redo - cov ntaub ntawv siv los ntawm txhua lub Oracle Database los tiv thaiv muas - thiab siv nws rau standby database.
Yog li ntawd, kuv yuav teeb tsa Data Guard li cas?
Primary Server Setup
- Kev sau npe. Xyuas tias cov ntaub ntawv tseem ceeb nyob hauv hom archivelog.
- Initialization Parameters. Txheeb xyuas qhov chaw rau DB_NAME thiab DB_UNIQUE_NAME tsis muaj.
- Kev teeb tsa.
- Backup Primary Database.
- Tsim Standby Controlfile thiab PFILE.
- Luam cov ntaub ntawv.
- Pib Mloog.
- Restore thaub qab.
Dab tsi yog Active Data Guard hauv Oracle 11g?
Oracle Active Data Guard , ib qho kev xaiv ntawm Oracle Database 11g ua Enterprise Edition yog ib qho yooj yim, kev ua haujlwm siab daws teeb meem uas tiv thaiv koj Oracle Database tiv thaiv kev npaj thiab tsis tau npaj tseg downtimes, los ntawm kev tso cai rau koj kom tshem tawm cov peev txheej ua haujlwm los ntawm koj cov ntaub ntawv tsim khoom mus rau ib lossis ntau dua synchronized standby databases.
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