[mythtv-users] Multi-rec - thoughts about max no. of recordings
latepaul at gmail.com
Mon Jan 21 18:15:09 UTC 2008
So, this weekend I rebuilt my Myth box with svn 15504 in order to get
It's all working very nicely but I was wondering about the setting of "max
no. of recordings" on the capture card. This is what turns a single real
tuner into a number of "virtual tuners" I guess. It defaults to 2. My system
has a single SATA2 disc (16Mb cache, 7200rpm IIRC) and my recordings
partition is using xfs. I've got a single Nova-T 500 i.e. 2 physical tuners.
So I've been thinking about whether I want to increase this value or not.
I'm wondering what sort of throughput it's reasonable to expect on a disc -
and I'm assuming the disc is the limiting factor here. I have in the past
year recorded two programs, whilst watching a 3rd and transcoding a 4th as
part of a mytharchive job - I've done this quite regularly. Once or twice
there was even a fifth doing ad-scanning - which I hadn't realised was
running. So we're talking 5 pretty disc intensive operations simultaneously.
Having said that I've got the RT priority stuff enabled and I know that
mytharchive at least re-nices its jobs to a lower priority.
I guess the obvious answer is to run a few tests and see what happens. Has
anyone done this? Any thoughts on the issue?
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