AWS DMS Data Validation: Prove the Migration Before Cutover
How to run AWS DMS data validation so you can prove a database migration is correct before cutover: prerequisites, validation-only tasks, reading failures, and the tuning trade-offs.
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What we have learned,
written down.
Notes from real engagements: landing zones, pipelines, on-call, and the security work that gets left until an audit. No thought leadership, no funnels.
Direct Connect vs Site-to-Site VPN: Choosing for a Migration
Direct Connect or a Site-to-Site VPN for your migration? The honest engineering answer, with the throughput numbers, encryption caveats and lead times that decide it.
Encrypt an Existing EBS Volume Without Losing Data
You cannot flip an unencrypted EBS volume to encrypted in place. Here is the snapshot-and-swap workflow, how to enforce encryption by default per Region, and the KMS traps that bite after a migration.
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