This is exactly what we're starting to do. When I first started at
current $job 6 years ago, we had a handful of RHEL boxes. Everything
got migrated to RHEL over time (off of solaris...). Mostly for
compatability with the toolsets we use, but also for cost. The
savings was significant.
Over time, we have grown ... a lot.... and now even the cost of annual
RH licenses is a burden. Of course, I soon realized that the
"maintenance" was, as mentioned, really only RHN updates.
We are now actively migrating to CentOS for anything that's not an
oracle server. Back in the days of version (Rhel, CentOS) 3, I wasn't
sure how good that would work... but since version 5+, the number of
CentOS repositories is huge, and the community there has grown a LOT.
I, like almost everyone here, have NEVER called redhat for support.
The one time I actually logged into bugzilla to report a bug with a
10-gig-nic driver, I was one of many people having the same problem and
it took over a year for anyone to do anything. By then, I had simply
replaced my nic with a different flavor :-)
-kcb
On 3/10/12 8:37 AM, Tom Perrine wrote:
One option is to buy RHEL only for those systems where it is
necessary, and run Centos elsewhere.
For example, Oracle requires a "supported" Linux base in order to get
support for Oracle's products. There are a few other large
applications that have the same model.
I can't remember the last time (in 9 years) that we actually called RH
for support, although we have quite a few RHEL systems.
--tep
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