Show HN: A proof-of-concept FoundationDB based network block device backend

Re:Show HN: A proof-of-concept FoundationDB based network bl... by spullara on Monday April 30, 2018 @10:48AM (#16958957)

See https://www.foundationdb.org for information on FDB but in short it is a distributed database that is auto-scaling, auto-healing, auto-sharding and ACID. You do need a minimum of 3 nodes to get those properties. When you connect to a volume it is protected by a lock that ensures only a single client.

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Re:Show HN: A proof-of-concept FoundationDB based network bl... by scoot on Tuesday May 01, 2018 @03:48PM (#16970773)

Thanks for the reply. Don't know if you will see this, but I was also interested in how the NBD client fails over to an alternate node if the one it's connected to fails.

Regarding locking, is there a distributed lock manager? What prevents two NBD clients connecting to the same volume via two different nodes?

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