Comment 18 for bug 1526544

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Nastya Urlapova (aurlapova) wrote : Re: We have to pin Centos 7 version by default

After investigation was found, that we don't use pinning for Centos 7 version. Update to Centos 7.2(http://mirror.centos.org/centos-7/7.2.1511/) has brought regression during the operation of master node, network driver for e1000 doesn't work correctly. We have to investigate in more details why it happens and how RAM size and/or CPU count are correlated with issue.
For avoiding such regressions we must do pinning of Centos version and don't update major version of OS after FF.