Description of problem:
baremetal HA setup - 3 controllers 1 compute
When redis starts a configuration Warnings/Errors is shown in the log regrading the following:
maxclients
overcommit_memory
Transparent Huge Pages
TCP backlog

Version-Release number of selected component (if applicable):
python-redis-2.10.3-1.el7ost.noarch
redis-2.8.21-1.el7ost.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Install HA environment
2. check the /var/log/redis/redis.log 
3.

Actual results:
Warnings and Errors in the log

Expected results:
No Errors or configuration warning

Additional info:
/var/log/ dir is attached