[mythtv-users] Fedora vs. CentOS - Thoughts

[Greg Oliver]

On Thu, Dec 23, 2010 at 4:06 PM, Gary Buhrmaster
<gary.buhrmaster at gmail.com> wrote:
> On Thu, Dec 23, 2010 at 20:24, Jarod Wilson <jarod at wilsonet.com> wrote:
> ....
>>> We do extensively use the cluster suite as well, so I guess you have
>>> to take my opinion with a grain of salt, because I guess without RH we
>>> would not have that either  :)
>>
>> Haven't ever used it myself. Is it good or bad? :)
>
> Most of the current "plumbing" of the RHEL6 cluster suite is from
> clusterlabs.org pacemaker (and related) code which is also open
> source (to which RH/Novel/? does contribute/support).  The value
> add from RH (not in other distros) appears to be to put a GUI layer
> on top, which I personally do not use (what is wrong with CLI and
> (XML) config files anyway?)  The GUI looks OK from the screenshots...

Yeah, I did not know there was a gui, and have not seen the el6
differences yet.  We have to do all of our work over the serial
consoles anyhow.  AT&T does not allow access through any other
interfaces.

> My experience is that it does what it says it does, which is good.

Yeah, it does it well.  We cluster 10 chassis of 14 blades each for
every site.  Most is proprietary Nokia software, but we utilize
Informix and openldap as part of the solution, and it clusters well.
It is all python controlled, so modifying fencing techniques, etc is
easily done.

The only piece we do not utilize is GFS.  They all connect to EMCs
that handle it a tad better  :)

> And, while I have not spent time reading the RH docs, the origin
> documentation does make an attempt to make clear what it cannot
> and does not do, and failure modes (including the obscure).  For
> people doing clustering this is important to understand
> Gary
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