Glossary term
What is Block storage? Meaning for developers
A raw disk attached to a server. Example: AWS EBS volume for a database.
Learn it properly · System DesignLesson 17: Object Storage: How S3-Style Storage WorksImages saved to a server's disk vanish when you add a second server. How S3-style object storage keeps files safe at any scale, why uploads should skip your servers entirely, and what belongs in the database instead.