What Are the Possible Causes for Data Corruption of an RDS Instance?
- Data tampering
Lots of security measures are provided to ensure that only authenticated users have permissions to perform operations on database table records. Database tables can be accessed only through specific database ports.
Packet verification enabled during primary/standby database synchronization prevents data from being tampered with during transmission.
- Instance servers may be powered off suddenly, causing database page corruption and startup failures.
If a primary DB instance becomes faulty, RDS switches to the standby DB instance within 1 to 5 minutes to provide services for you. DB instances cannot be accessed during the failover. You need to configure automatic reconnections between applications and DB instances to ensure near-continuous availability.
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