Hi all, We've run into a strange issue with one of our clusters managed with ceph-ansible. We're adding some RGW nodes to our cluster, and so re-ran site.yml against the cluster. The new RGWs added successfully, but....
When we did, we started to get slow requests, effectively across the whole cluster. Quickly we realised that the firewall was now (apparently) blocking Ceph communications. I say apparently, because the config looks correct: [root@osdsrv05 ~]# firewall-cmd --list-all > public (active) > target: default > icmp-block-inversion: no > interfaces: > sources: 172.20.22.0/24 172.20.23.0/24 > services: ssh dhcpv6-client ceph > ports: > protocols: > masquerade: no > forward-ports: > source-ports: > icmp-blocks: > rich rules: > If we drop the firewall everything goes back healthy. All the clients (Openstack cinder) are on the 172.20.22.0 network (172.20.23.0 is the replication network). Has anyone seen this? -- *Nathan Harper* // IT Systems Lead
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