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Guidance for a SQL Server backup strategy in AWS EC2
- S3 storage is a reliable option to store backups long term in AWS EC2.
- The preferred ways to backup SQL Server in AWS EC2 include using URLs or Storage Gateway with File Gateway for S3 replication.
- Backup retention strategies are crucial for data longevity, with options like optimizing storage class and defining retention periods.
- S3 lifecycle policies are set up to manage retention, transitioning objects to appropriate storage classes and deleting them after specified periods.
- Archiving backups efficiently requires custom scripts to move backups between different prefixes in S3, scheduled using tools like AWS Lambda or SQL Server Agent.
- Accessing S3 from EC2 involves setting up IAM roles and securing temporary AWS credentials for read/write access only.
- Retrieving backups for archiving is facilitated by tools like dbatools PowerShell module, aiding in selecting and processing backups based on defined criteria.
- Archiving backups involves constructing source and destination keys in S3, and copying backups to designated prefixes using tools like Copy-S3Object.
- Implementing a SQL Server backup strategy in AWS EC2 involves demystifying concepts, defining retention policies, and using tools like dbatools for efficient archiving.
- Similar approaches can be applied to other RDBMS in EC2, with considerations for access restrictions and compression settings in SQL Server backups.
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