[mythtv-users] Re-doing my backend

[David Frascone]

On Feb 3, 2008 5:56 PM, R. G. Newbury <newbury at mandamus.org> wrote:

> David Frascone wrote:
> > Finally, my last question.
> >
> > In an effort to be more green, I'd like to get rid of my two rack-mount,
> > server class machines in my basement.  Currently, one is a general
> purpose
> > server, with all my "important" stuff on it (< 80Gb), and one is my
> mythtv
> > backend.
> >
> >
> > The general purpose server runs DHCPD, DNS, sshd, samba, http, https,
> > mysqld, and anything else I think I need.  It is also the root
> filesystem
> > server for two dedicated frontends.  The mythtv backend has two
> PVR-500's,
> > and accepts video from a hdhomerun.
> >
> > So -- to go greener, I'd like to move to a commodity motherboard (just
> > depricated one moving to an iMac), in a huge rackmount case.
> >
> > Here are the questions:
> >
> > I'd like my "important" stuff to be kinda backed up.  Either with raid,
> or
> > maybe just mirror'ed onto the myth video storage -- just to be safe.  I
> > think I should not worry about raid 5 here -- what do you think?
> > The mythtv video store is not important to me -- I was planning on just
> > buying a couple of 500Gb or so disks.  No redundancy.
> >
> > Can a normal 2.4Ghz CPU handle the job of those two file servers?
>  (Video
> > traffic + room to spare for other low cpu things)?  Keep in mind, I have
> 2
> > hd tuners, and 4 sd tuners.  Plus, it has to handle serving filesystems
> and
> > video traffic to two dedicated front ends.
> >
> >
> > I think I'm going to be ok -- but I wanted to sanity check it with you
> > guys.  I'm pretty sure server-class machines suck up WAY more power than
> > desktop machines.
> > Thanks in advance,
> > -Dave
> > P.S.  I think that's all of my questions -- for now!
>
> I'm running an Asus P5L-MX motherboard with a 2.4GHz Core 2 Duo chip as
> a combined BE/FE, with one PVR500 and an HDHomeRun for 4 tuners. I have
> recorded 4 streams, while watching a recorded program, while also ssh'd
> in and COMPILING stuff....All on about (i'm guessing) 65 watts. The LCD
> tv is about twice that.
>
> Ans that was without xvmc running. I did NOT check with top, but none of
> the programs, or the show I was watching seemed to exhibit any errors.
> So I think using you backend as a dual-use BE + file server would not be
> a problem. I do note that the OS is on one drive and the video store is
> split between 2 large drives,
>
> I noticed an incredible difference when I moved to the Core 2 Duo chip.
> Do not leave the store without one!
>
> And yes, I back up the OS settings + mythconverg database, but not the
> TV shows. I save the backups to one of the video disks on the basis that
> I am more likely to lose ONE OF, but not BOTH OF the disks.
>

Humm . . Mine is a 2.2 or so Ghz P4 -- think it can keep up?

-Dave
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