Comment 2 for bug 1553250

Adding some notes:

Configuration on ceilometer side seem to be correct:

"ceilometer::agent::central::coordination_url": "redis://192.0.2.7:6379",

redis is binding on "redis::bind": "192.0.2.11"

redis vip is "redis_vip": "192.0.2.7"

from redis.log the service is definitely up:

7074:M 01 Mar 17:08:24.692 # Server started, Redis version 3.0.6
7074:M 01 Mar 17:08:24.692 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
7074:M 01 Mar 17:08:24.692 # WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' as root, and add it to your /etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled.
7074:M 01 Mar 17:08:24.692 * The server is now ready to accept connections on port 6379

so for some reason the vip is not reachable here?