<br><br><div><span class="gmail_quote">On 21/01/2008, <b class="gmail_sendername">Michael T. Dean</b> <<a href="mailto:mtdean@thirdcontact.com">mtdean@thirdcontact.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On 01/21/2008 01:15 PM, Paul Mason wrote:<br>> So, this weekend I rebuilt my Myth box with svn 15504 in order to get<br>> multi-rec.<br>><br>> It's all working very nicely but I was wondering about the setting of "max
<br>> no. of recordings" on the capture card. This is what turns a single real<br>> tuner into a number of "virtual tuners" I guess. It defaults to 2. My system<br>> has a single SATA2 disc (16Mb cache, 7200rpm IIRC) and my recordings
<br>> partition is using xfs. I've got a single Nova-T 500 i.e. 2 physical tuners.<br>><br>> So I've been thinking about whether I want to increase this value or not.<br>><br>> I'm wondering what sort of throughput it's reasonable to expect on a disc -
<br>> and I'm assuming the disc is the limiting factor here. I have in the past<br>> year recorded two programs, whilst watching a 3rd and transcoding a 4th as<br>> part of a mytharchive job - I've done this quite regularly. Once or twice
<br>> there was even a fifth doing ad-scanning - which I hadn't realised was<br>> running. So we're talking 5 pretty disc intensive operations simultaneously.<br>> Having said that I've got the RT priority stuff enabled and I know that
<br>> mytharchive at least re-nices its jobs to a lower priority.<br>><br>> I guess the obvious answer is to run a few tests and see what happens. Has<br>> anyone done this? Any thoughts on the issue?<br><br>Just a thought. Adding additional disks (spindles) and keeping separate
<br>filesystems (no MD--no RAID'ing or LVM'ing the drives together) and<br>adding them as separate directories in one or more storage groups would<br>definitely help.</blockquote><div><br> </div>Yeah unfortunately when I set up this machine I did so on the cheap, bought a cheap system and just added a nova-t 500. And the machine only has one drive bay and one SATA connection. I may at some point get an eSATA card but so far I haven't really needed to.
<br><br>Speaking of which in the previous 9 months or so I've only had a handful of conflicts, so I don't really 'need' this - I'm just playing to see what it can do :)<br></div><br>-- <br>Paul Mason