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I'm currently faced with a challenge.
What we have:
A 2-Node DRBD setup:
ClientA is the primary node and is located offsite
ClientB is onsite
Approximately 1.5 TB of data is currently replicated using
protocol A w/ ahead/behind enabled
Data changes about 30GB per month
Due to a unique set of requirements we need to add 2 nodes that are
The primary offsite server is replicated over a slow WAN connection with
monthly data transfer limits.
As such we need to replicate the data from ClientB to the 2 new servers
ending up in a 4-node cluster.
Our initial replication between ClientA and ClientB was via truck, this
however is not an option for the 2 new servers.
I'm looking for recommendations to migrate from this 2-node setup to a
4-node configuration without having to pull all 1.5TB over the WAN link
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