rds-modify-db-instance options


//=== http://docs.aws.amazon.com/AmazonRDS/latest/CommandLineReference/CLIReference-cmd-ModifyDBInstance.html

rds-modify-db-instance options

...
[-r (--backup-retention-period) value ]
[-w (--preferred-maintenance-window) value ]
[-b (--preferred-backup-window) value ]
[-tca (--tde-credential-arn) value ]
[-tcp (--tde-credential-password) value ]
[ -cert (--certificate-identifier) value ]
...

-b
Constraints: Must be in the format hh24:mi-hh24:mi.
Must be at least 30 minutes.
Times should be 24-hour Universal Time Coordinated (UTC).


-r
Constraints:
Must be a value from 0 to 35.
Cannot be set to 0 if the DB instance is a source to Read Replicas


[ex] set the backup window to 03:00 to 03:30
PROMPT> rds-modify-db-instance mydbinstance --preferred-backup-window 03:00-03:30


[ex] set the "weekly" preferred maintenance window
PROMPT> rds-modify-db-instance mydbinstance --preferred-maintenance-window Tue:04:00-Tue:04:30

[ex] set the retention period to 14 days
PROMPT> rds-modify-db-instance mydbinstance --backup-retention-period 14 --apply-immediately