<div dir="ltr"><div class="gmail_default" style="font-size:small">You aren't copying files to the same drive that hosts your MythConverg DB are you? If so, it could be that drive doesn't seek so well and is choking trying to handle all of the seek table updates in addition to the file copy.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Dec 24, 2014 at 12:49 AM, Neil Salstrom <span dir="ltr"><<a href="mailto:salstrom@gmail.com" target="_blank">salstrom@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Wow.... Thanks for all the suggestions. I guess I did leave out that<br>
this was using a NFS share and simply copying the file from one to the<br>
other (not using cp in a terminal). I don't believe it's an issue<br>
with hard drive read / write speed as I can watch a recorded (on disk)<br>
program if a file transfer is occurring without problems. It's only<br>
if the HDHomerun is in use during the transfer.<br>
<br>
If theoretical speed on a gigablit lan is 125 MB/s what is real world?<br>
According to the reported transfer rate across my network I'm hitting<br>
up to ~110 MB/s then I add ~2 MB/s for the ATSC stream am I bumping up<br>
against real world performance of my network?<br>
<br>
Perhaps the easiest solution would be to pay attention to when I need<br>
to transfer files!<br>
<span class="HOEnZb"><font color="#888888"><br>
Neil<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
On Tue, Dec 23, 2014 at 11:33 AM, Joseph Fry <<a href="mailto:joe@thefrys.com">joe@thefrys.com</a>> wrote:<br>
><br>
><br>
> On Tue, Dec 23, 2014 at 11:55 AM, Simon Hobson <<a href="mailto:linux@thehobsons.co.uk">linux@thehobsons.co.uk</a>><br>
> wrote:<br>
>><br>
>> Joseph Fry <<a href="mailto:joe@thefrys.com">joe@thefrys.com</a>> wrote:<br>
>><br>
>> > Both devices should get a Link Local address (169.254.x.x)<br>
>> > automatically, so communication to the HDHR shouldn't be an issue (assuming<br>
>> > your using the HDHR device name and not an IP in your mythtv device<br>
>> > configuration, which it does by default)<br>
>><br>
>> Or better still, configure an IP subnet on the link - I'm something of a<br>
>> fan of deterministic setup !<br>
>> Also it'll allow the roouting to be configured so that your PC/whatever on<br>
>> the main lan can still access the HDHR. It just requires the Myth server to<br>
>> have packet forwarding turned on, and to add a route for the subnet via the<br>
>> Myth server's main LAN address.<br>
><br>
><br>
> This would require running a DHCP server on the new subnet, or assigning the<br>
> HDHR a static address. I find Link Local to be far simpler if your just<br>
> connecting two devices directly to one another. Deterministic is great,<br>
> except you will never actually use the HDHR's IP for anything, so why<br>
> bother.<br>
><br>
> The only issue I ever had with this was that sometimes linux can be slow to<br>
> assign a link local address... but you can actually force link local in the<br>
> network interface configuration and it's instant.<br>
><br>
> Another thing to look at is the network connection itself. An HDHR doesn't<br>
> use that much bandwidth typically... not so much that you should see<br>
> problems on a gigabit network, or even an 100Mbit. You might have an issue<br>
> with your computer connecting to the switch synchronously instead of async.<br>
> This would effectively cut your bandwidth in half since it can only send or<br>
> receive, not both.<br>
><br>
> Finally... you may have cabling/interference issues (check for dropped<br>
> frames). Or maybe this would justifying an upgrade to a Gigabit switch (can<br>
> get them dirt cheap these days).<br>
><br>
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