[mythtv-users] Setting up MythTV in a wierd way ...

[Bear Paw]

Disk I/O shouldn't be a problem, all disks we are planning on using are
either FC (we have 2x36GB drives) or SCSI320 (we have like a box of them)
and we want to use a Sun Blade 1000 (2x900MHz uSPARCs with dual PCI buses
and FC controller). I think I'll tell my roommate that we need it all on one
system and just get an Ext. cage for the SCSI drives. I want to avoid using
NFS because of bandwidth. We have 5 people living here all with Interweb
addictions ...

> Bear Paw wrote:
> > Greetings peoples ... I'm really new at MythTV but I've been tracking
> > its progress for some time. My question has to do making a really weird
> > setup.
> >
> > System one: 4 tuner cards, records and encodes shows and transfers them
> > to fileserver
> > System two: File server, this will hold the MythTV backend and dish out
> > files to all the frontends.
> > System 3-N: MythTV frontends
> >
> > What we really want is for SysOne to cache the files to its harddrives
> > then transfer them to SysTwo.
> >
> > Is this doable or should we just try to put it all on one system?
>
> It's good that you are thinking about two server machines but
> you may be thinking about it the wrong way around. It is not
> a good thing to put lots of cards in the same system. It isn't
> just a matter of having enough CPU but there is PCI bandwidth,
> disk cache, IDE bus contention, memory, and kernel scheduler
> time slices that the recorders need to compete for. One card
> per system is best, two is usually acceptable. More than that
> is possible but not beneficial.
>
> You should think about putting cards 1 and 4 in one machine
> then 2 and 3 in the other. Put local disks in both machines
> although you could put all you big disks in the machine with
> card 1 and NFS mount for the other machine but this is not
> as efficient in several ways.
>
> --  bjm
>


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