Comment on Magical Block Store: Why EBS Can't WorkComments−lobster_johnson15y> It’s commonly believed that EBS is built on DRBD with a dose of S3-derived replication logic.Actually, it was discovered some time ago (http://openfoo.org/blog/amazon_ec2_underlying_architecture.h...) that EBS probably used Red Hat's open-source GNDB: http://sourceware.org/cluster/gnbd/
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> It’s commonly believed that EBS is built on DRBD with a dose of S3-derived replication logic.
Actually, it was discovered some time ago (http://openfoo.org/blog/amazon_ec2_underlying_architecture.h...) that EBS probably used Red Hat's open-source GNDB: http://sourceware.org/cluster/gnbd/