Description of problem:

During the installation process Director doesn't set readahead and numa properly for mongodb

# mongo 192.x.x.x

Server has startup warnings:
2015-12-16T10:38:38.020-0500 [initandlisten]
2015-12-16T10:38:38.020-0500 [initandlisten] ** WARNING: You are running on a NUMA machine.
2015-12-16T10:38:38.020-0500 [initandlisten] **          We suggest launching mongod like this to avoid performance problems:
2015-12-16T10:38:38.020-0500 [initandlisten] **              numactl --interleave=all mongod [other options]
2015-12-16T10:38:38.020-0500 [initandlisten]

2015-12-16T10:38:38.026-0500 [initandlisten]
2015-12-16T10:38:38.026-0500 [initandlisten] ** WARNING: Readahead for /var/lib/mongodb is set to 4096KB
2015-12-16T10:38:38.026-0500 [initandlisten] **          We suggest setting it to 256KB (512 sectors) or less
2015-12-16T10:38:38.026-0500 [initandlisten] **          http://dochub.mongodb.org/core/readahead

How reproducible:
unsure


Steps to Reproduce:
1. Deploy an controller node with director
2. use mongo client to connect to the database #mongo 192.x.x.x
3.

Actual results:
Warnings, readahead not configured


Expected results:

no warning and read ahead configured properly 


Additional info:
I will add the versions of the director as soon I have it

How to adjust read ahead
https://access.redhat.com/solutions/1212773