AWS Multi Region VPC中的Cassandra（VPC对等）
[英]Cassandra in AWS Multi Region VPC (VPC peering)
问题描述
We are trying to setup following cluster geography for Cassandra: 
我们正在尝试为Cassandra设置以下群集地理位置：
2 VPCs in 2 different AWS regions (US-West, APAC-Singapoore) 2个不同AWS区域（美国西部，亚太地区-新加坡）中的2个VPC
VPCs connected via VPC peering (common IP space) 通过VPC对等连接的VPC（公用IP空间）
2 Cassandra nodes in each DC, 1 DC in each region (4 nodes total) 每个DC 2个Cassandra节点，每个区域1 DC（总共4个节点）
Nodes communicating together with private IP in VPC 节点与VPC中的专用IP一起通信
Connection to nodes should be available only inside VPC, no Public IPs! 到节点的连接应该仅在VPC内部可用，而不能使用公共IP！
Using Gossiping Snitch 使用闲聊小偷
Looks like nodes in one region are able to see second region DC, but not the other way around. 看起来一个区域中的节点能够看到第二个区域DC，而其他方向则看不到。 Spend some time and cannot find the issue. 花一些时间，找不到问题。
What configuration setup would you recommend? 您会建议哪种配置设置？ Maybe good advice how to troubleshoot possible network misconfigurations 也许是很好的建议，如何解决可能的网络配置错误
Node 1 (us-west-2a - 10.200.0.100) 节点1（us-west-2a-10.200.0.100）
cassandra.yaml
broadcast_address: 10.200.0.100
listen_address: 10.200.0.100
rpc_address: 0.0.0.0
broadcast_rpc_address: 10.200.0.100
Nodetool output on DC1 node 1 (us-west-2a) DC1节点1（us-west-2a）上的Nodetool输出
Datacenter: ap-southeast
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
-- Address Load Tokens Owns Host ID Rack
DN 10.201.1.77 97.02 KB 256 ? ac72b936-8c5c-41db-ad06-fa056759e704 1a
DN 10.201.1.93 141.97 KB 256 ? 78c4b0c5-adff-40b8-913d-8be063454643 1a
Datacenter: us-west-2a
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
-- Address Load Tokens Owns Host ID Rack
UN 10.200.0.52 671.59 KB 256 ? b84f2113-90ef-43d4-91df-eed3fbb6ff79 2a
UN 10.200.0.100 516.96 KB 256 ? 3ce8d7ea-d586-48f8-9f8a-b9a5c1fb8fa0 2a
Node 3 (ap-southeast - 10.201.1.93) 节点3（ap-southeast-10.201.1.93）
cassandra.yaml
broadcast_address: 10.201.1.93
listen_address: 10.201.1.93
rpc_address: 0.0.0.0
broadcast_rpc_address: 10.201.1.93
Nodetool output for DC2 node 3 (ap-southeast) DC2节点3（ap-southeast）的Nodetool输出
Datacenter: ap-southeast
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
-- Address Load Tokens Owns Host ID Rack
UN 10.201.1.93 136.2 KB 256 ? 78c4b0c5-adff-40b8-913d-8be063454643 1a
1 个解决方案
解决方案1
0 2017-03-24 00:14:30
Did you try using a VPN to connect the two? 您是否尝试使用VPN来连接两者？ I don't think VPC Peering works across multiple regions. 我认为VPC对等不能在多个区域使用。 It's only for connecting VPCs within the same region. 仅用于连接同一区域内的VPC。
https://notes.ayushsharma.in/2017/02/connecting-vpcs-in-2-aws-regions-site-to-site-vpn https://notes.ayushsharma.in/2017/02/connecting-vpcs-in-2-aws-regions-site-to-site-vpn
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