[mythtv-users] How many simultaneous recordings on one drive?

Douglas Peale Douglas_Peale at comcast.net
Wed Sep 28 16:08:15 UTC 2011


On 09/28/2011 08:58 AM, Kris B. wrote:
> Sorry for the simple question, but the archives for the answers seem to
> have everyone talking about RAID setups, and my setup is much simpler
> than that.
>
> I have an EIDE drive that holds the OS, and a 2tb 5400gb green drive on
> SATA (1.5 setting due to older motherboard).  I have two capture cards
> that work great, but I plan on adding a hdhomerun (plugged into its' own
> ethernet port on the motherboard so I don't clog up the router), and was
> wondering if my system could handle recording four shows at once while
> playing back a fifth?
>
> What is the limit (realistically) for one drive I/O?  I don't run jobs
> during primetime; from 4pm-11pm the machine has no jobs.
>
> If it can't, should I just get an hdhomerun single (cheap on the used
> market)... or am I already pushing it, performance wise?
>
> Thanks in advance,
In my experience, if you have the database on the same drive as the recordings, the limit is zero recordings.
The number of recordings is nearly irrelevant, it is other things like the database that swamp the disk IO for long enough to
cause the recording to miss data.


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