Building DRBD 8.4.x on CentOS 6.x

1. yum install gcc libxslt kernel-headers kernel-devel-`uname -r` make wget rpm-build flex
2. mkdir /root/rpmbuild/{BUILD,BUILDROOT,RPMS,SOURCES,SPECS,SRPMS}
3. wget http://oss.linbit.com/drbd/8.4/drbd-8.4.x.tar.gz
4. tar xzf drbd-8.4.x.tar.gz
5. cd drbd-8.4.x
6. ./configure
7. make rpm
8. make km-rpm
9. Install desired packages from /root/rpmbuild/RPMS/x86_64 or .../i386