Vault with Multiple Backends

[Alexander Cusworth]

I've been looking around the documentation and couldn't find a clear answer if I could have multiple simultaneous backends for Vault.

There are two scenarios I'm looking at:

1) Vault is connected to 1 to X number of consul backends

2) Vault is connected to 1 consul, 1 zookeeper, 1 cassandra, etc...

Are either of these options possible or can Vault only be configured to use one backend at a time?

Thanks

[Jeff Mitchell]

Hi Alexander,

Vault only supports one storage backend at a time. The only exception
is that you can have a separate HA backend from the normal storage
backend. This lets you take advantage of HA capabilities while keeping
all of Vault's actual non-HA-coordination data elsewhere.

Best,
Jeff

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[Alexander Cusworth]

Thanks Jeff,

Just to confirm when using HA (which we are in this case) do we only have one backend for HA and one for non-HA?

Thanks

[Jeff Mitchell]

When using HA, you can either have one backend (for both HA and data)
or one HA backend and one data backend.

Best,
Jeff

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