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

Eric Sharkey eric at lisaneric.org
Wed Sep 28 16:38:21 UTC 2011

On Wed, Sep 28, 2011 at 12:21 PM, Mike Perkins
<mikep at randomtraveller.org.uk> wrote:
> Even that might not be enough. Recording four things at once on the same drive
> means the head is going to be seeking to four different places all the time...

It's not that simple.  File systems don't choose worst-case
allocations like this in general.

Four recordings at 2 MB/s is 8MB/s.  The buffers on these drives are
usually 32 or 64MB.  They can seek at almost 100Hz.  It just won't be
a problem.  You've got a 1996 mind set here.


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