[mythtv-users] Hardware Setup Advice

[David Crawford]

Also, when you say physical and virtual tuners, are you refering to how
many recordings can be made on same multiplex with one tuner or something
else?

Thanks

On 23 May 2012 14:18, David Crawford <davidcrawford83 at gmail.com> wrote:

> Hi Tony,
>
> I am using the latest .25 version. My storage group setup at the moment is
> just the default as i have been testing with other software and reinstalled
> mythbuntu recently. I have tried with 2 storage groups though, one on local
> hdd and the other on NAS balanced by I/O.
>
> According to mythweb status the system load average seems to be quite high
> (like 10) when recording many streams. But on a recent test everything
> worked well. However I'm sure there will be problems down the line as I
> have another PC setup with windows software with the same hardware and it
> encounters problems also when recordng many streams.
>
> It's important that the content is deliverable but I don't have a lot of''
> money to spend upgrading the system.
>
> Do you have the OS and database on a separate drive?
>
>
> On 23 May 2012 13:45, Another Sillyname <anothersname at googlemail.com>wrote:
>
>> Hi David
>>
>> It would help if you let us know which version of myth you're using
>> and a bit more detail about your storage group setup.
>>
>> Just to let you know I have a setup with 4 physical and 12 virtual
>> DVB-T tuners and 3 physical and 6 virtual DVB-S tuners.  I run .23
>> fixes and have my storage group spread up over 3 drives (fast Seagate
>> Constellation 2 drives not in raid or anything).  I have for test
>> purposes recorded 18 streams of which 6 were HD simultaneously for an
>> hour without problems.
>>
>> It sounds to me though that you're doing this for a commercial
>> operation?  If so how important is 100% deliverable?
>>
>> Regards
>>
>> Tony
>>
>> On 23 May 2012 13:22, David Crawford <davidcrawford83 at gmail.com> wrote:
>> > Hi,
>> >
>> > I currently have a setup whereby I am using mythtv to record several SD
>> UK
>> > television channels simultaneously for a project where all regional
>> news are
>> > needed to be recorded for later analysis. Sometimes I record up to 20
>> > streams at one time using 5 TBS6981 dual tuner devices on one PC
>> (connected
>> > to a sat multiplex giving me the feeds) I have tested this recording to
>> a
>> > combination of internal HDD and external NAS.
>> >
>> > It has worked successfully but sometimes I run into problems where the
>> > system becomes unresponsive and recordings become jerky with
>> > discontinuities. I was wondering if anyone can give me some advice on
>> how to
>> > setup this up to optimize performance. I have read the optimize
>> performance
>> > mythtv wiki also, what would be the main issue capturing all the
>> streams?
>> > the hdd? Should i split the work up over seperate drives?
>> >
>> > Any tips, greatly appreciated.
>> >
>> > Thanks.
>> >
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