Oracle Backup Basic noun

1. High-availability rows

(1) Ha (High availability ha)

(2) RAC (Oracle Real application Cluster)

(3) DG (DATA Guard)

(4) Oracle Replication

(5) Raid and mirrored drives

2. Backup and Recovery

(1) Collect backup and recovery policy requirements.

(2) Carefully design backup and recovery plan.

1 Our usual backups are physical backups.

Backup:

(1) Type

Physical backup

Logical backup

(2) Database status

A. Online backup (hot) and offline backup (cold)

B. Inconsistent backups and consistent backups

2 does Rman not open an archive to backup? Can be backed up, only in the Mount state. This is the cold standby of Rman.

(3) Full backup archive mode, non-archive mode

Table Space Backup

Data file backup

Control file Backup

Archive log file backup

Oracle Recovery

(1) Type of error

User error operation

Errors caused by system processes

Instance causes an error

Errors caused by storage media

(2) Instance recovery: Cache recovery (roll forward), 2 transaction recovery (roll back)------done by Smon

Media recovery

(3) Recovery mode: Full recovery

Do not complete recovery active passive

Oracle Backup Basic noun