[mythtv-users] Is there a good way to balance tuner use?

Phil Bridges gravityhammer at gmail.com
Thu Mar 20 14:14:01 UTC 2014

On Thu, Mar 20, 2014 at 10:04 AM, Michael T. Dean
<mtdean at thirdcontact.com>wrote:

> On 03/20/2014 09:35 AM, Phil Bridges wrote:
>> I a master backend and a slave backend, in addition to two HDHR Primes.
>>  Currently, I have one Prime's tuners on my Master frontend, and one on the
>> slave backend.  I have the tuner numbers staggered, such that the 1st
>> recording tuner is on my slave, the 2nd is on my master, 3rd is on the
>> slave, etc.  The LiveTV tuners are in reverse order.
>> What ends up happening now is the majority of shows record on my slave
>> backend this isn't a problem, *except* it causes my slave's recording
>> drives to fill much quicker than the master, which could end up
>> inadvertently auto-expiring shows.  I have three hard drives in each
>> machine - the master's drives have ~300G free on each, while the slave's
>> drives have ~100G free now, and shrinking.
>> What is the preferred method to set this up such that my hard drives are
>> used more equally across both machines?  Would it help to NFS mount the
>> master's drives on the slave machines and add those to the storage group?
> You could.
> Alternatively, just go into mythtv-setup every once in a while and switch
> the Live TV and Schedule Order of your capture devices.  If you invert them
> occasionally, it will invert the recording load.
> Or, to try to balance it better in the first place, set the order such
> that the first is on the master, then the next 2 on the remote, then the
> final on the master.  This is /much/ better than M/S/M/S for ordering
> because the probability that the first tuner will be used during recording
> is high, that the 2nd will be used is slightly lower, the 3rd even lower,
> and the 4th the least.  So, given that N1 means the number of recordings
> from tuner 1, N1 + N4 is likely to be closer to N2 + N3 than would be N1 +
> N3 vs N2 + N4.
Thanks for the response.  Yeah - I figured I'd have to  to a manual
switch-around.  I'll try the MSSMMS order next, to see how well that works.
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