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MediaPortal 1
MediaPortal 1 Talk
TV-Server on WHS - Collection of fixes and workarounds
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<blockquote data-quote="JACOB B" data-source="post: 597470" data-attributes="member: 82222"><p>Hi All <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p>I am updating my current TV-server setup which is </p><p>- TV-server and client in office on a HP laptop (NW8440) with core2duo 2.0 GHz, running Win XP SP3 (32bit), 3 FireDTV DVB-C tuners are connected to the laptop. All 3 timeshift to OS HDD and record to external USB2 HDD. </p><p>- MP client in living room Asrock ION 330HT-BD. </p><p>- Media server for long term storage of recorded TV, as well as DVD, music and photos is a HP Mediasmartserver EX475 (1.6 GHz single core, "GB ram) running WHS. </p><p>- Gigabit network connects everything.</p><p></p><p>I plan on building a new Media/TV server running WHS, based on the Tower system here:<a href="http://www.avsforum.com/avs-vb/showthread.php?p=18333748#Media Storage Server: General Consideration" target="_blank">Guide to Building a HD HTPC - Page 437 - AVS Forum</a></p><p>I will use an older Antec TWR and start out with 6 HDD which the MOBO has SATA connections for. This will cost me 296$ (incl. OS HDD) + storage drives. I can expand as desired later. </p><p></p><p><strong>Now, I am in doubt as to how many dedicated drives I need for the 3 HDTV tuners...</strong></p><p><strong><strong><u>Requirements:</u></strong></strong></p><p><strong>I need to be able to record 3 HD channels simultaneously</strong>, <u>while </u>either </p><p>- watching (timeshifting) a HDTV channel or streaming a recorded HDTV program on 2-3 clients, </p><p>- or streaming a HD movie (from recorded TV or Blu-ray rip) to 1-2 clients while timeshifting a HDTV CH to another client.</p><p></p><p>I tested how TV server uses the cards. One card can actually record two channels (on same freq.) while timeshifting live TV of one of the channels. As it is, this is a <strong>very realistic scenario</strong> with the TV channels I have and normally watch. </p><p></p><p><strong><u>Worst case</u></strong>, this will require 3 HDTV streams being recorded to <strong>the same harddisc</strong> (saving to HDD), while streaming 1-3 recordings from same harddisc (reading from HDD), all the same time. </p><p></p><p><strong>So I need to figure out how to minimize the bottleneck.</strong></p><p></p><p><strong>Should I have:</strong></p><p><strong>1)</strong> one HDD pr. tunercard, and timeshift and record to same HDD (three HDD in total, maybe 500 GB a piece)?</p><p> - this will give a worst case scenario, as the example above will 3 x read and 3 x write to same HDD. </p><p><strong>2)</strong> one HDD for recordings from tunercard 1, one HDD for timeshifting from tunercard 1 (maybe a SSD?), and one HDD for recording AND timeshifting for card 2 and 3.</p><p> - this will use 2 HDD for the load from the example above.</p><p><strong>3)</strong> tuner 1 to record to pool (tuner 1 is always the first one used, and therefor also the one with most recordings to read/stream), and timeshift to dedicated HDD from tuner 1 (maybe a SSD?). Tuner 2 and 3 can share a dedicated HDD for recording, and share a dedicated HDD for timeshifting.</p><p> - this will spread the load from streaming (reading) and recording (saving) from tuner 1 out to the pool, while timeshifting</p><p> (live TV) is optimized. If Tuner 2 is recording and timeshifting at the same time, it will use two HDD fot these tasks. </p><p> When tuner three comes in play (seldom, but it happens), it will share with tuner 2...</p><p></p><p><strong>Thoughts:</strong></p><p>- Solution 3) differs from 2) in using the pool rather than a dedicated HDD for recording from tuner 1. If the load is high, as in example above, won't this be better than a dedicated HDD?</p><p>- However, if I stream a blu-ray rip from the pool at the same time, the load on the pool in solution 3) is suddenly a lot higher, which might influence recording..? This would not matter in solution 2.</p><p></p><p>OK, shoot away, both theoretical anwers and answers based by experience are welcomed <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>Cheers,</p><p>Jacob</p></blockquote><p></p>
[QUOTE="JACOB B, post: 597470, member: 82222"] Hi All :) I am updating my current TV-server setup which is - TV-server and client in office on a HP laptop (NW8440) with core2duo 2.0 GHz, running Win XP SP3 (32bit), 3 FireDTV DVB-C tuners are connected to the laptop. All 3 timeshift to OS HDD and record to external USB2 HDD. - MP client in living room Asrock ION 330HT-BD. - Media server for long term storage of recorded TV, as well as DVD, music and photos is a HP Mediasmartserver EX475 (1.6 GHz single core, "GB ram) running WHS. - Gigabit network connects everything. I plan on building a new Media/TV server running WHS, based on the Tower system here:[url=http://www.avsforum.com/avs-vb/showthread.php?p=18333748#Media Storage Server: General Consideration]Guide to Building a HD HTPC - Page 437 - AVS Forum[/url] I will use an older Antec TWR and start out with 6 HDD which the MOBO has SATA connections for. This will cost me 296$ (incl. OS HDD) + storage drives. I can expand as desired later. [B]Now, I am in doubt as to how many dedicated drives I need for the 3 HDTV tuners... [B][U]Requirements:[/U][/B] I need to be able to record 3 HD channels simultaneously[/B], [U]while [/U]either - watching (timeshifting) a HDTV channel or streaming a recorded HDTV program on 2-3 clients, - or streaming a HD movie (from recorded TV or Blu-ray rip) to 1-2 clients while timeshifting a HDTV CH to another client. I tested how TV server uses the cards. One card can actually record two channels (on same freq.) while timeshifting live TV of one of the channels. As it is, this is a [B]very realistic scenario[/B] with the TV channels I have and normally watch. [B][U]Worst case[/U][/B], this will require 3 HDTV streams being recorded to [B]the same harddisc[/B] (saving to HDD), while streaming 1-3 recordings from same harddisc (reading from HDD), all the same time. [B]So I need to figure out how to minimize the bottleneck.[/B] [B]Should I have:[/B] [B]1)[/B] one HDD pr. tunercard, and timeshift and record to same HDD (three HDD in total, maybe 500 GB a piece)? - this will give a worst case scenario, as the example above will 3 x read and 3 x write to same HDD. [B]2)[/B] one HDD for recordings from tunercard 1, one HDD for timeshifting from tunercard 1 (maybe a SSD?), and one HDD for recording AND timeshifting for card 2 and 3. - this will use 2 HDD for the load from the example above. [B]3)[/B] tuner 1 to record to pool (tuner 1 is always the first one used, and therefor also the one with most recordings to read/stream), and timeshift to dedicated HDD from tuner 1 (maybe a SSD?). Tuner 2 and 3 can share a dedicated HDD for recording, and share a dedicated HDD for timeshifting. - this will spread the load from streaming (reading) and recording (saving) from tuner 1 out to the pool, while timeshifting (live TV) is optimized. If Tuner 2 is recording and timeshifting at the same time, it will use two HDD fot these tasks. When tuner three comes in play (seldom, but it happens), it will share with tuner 2... [B]Thoughts:[/B] - Solution 3) differs from 2) in using the pool rather than a dedicated HDD for recording from tuner 1. If the load is high, as in example above, won't this be better than a dedicated HDD? - However, if I stream a blu-ray rip from the pool at the same time, the load on the pool in solution 3) is suddenly a lot higher, which might influence recording..? This would not matter in solution 2. OK, shoot away, both theoretical anwers and answers based by experience are welcomed :D Cheers, Jacob [/QUOTE]
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