<br><div class="gmail_quote">On Tue, Jun 3, 2008 at 2:00 PM, Yan-Fa Li <<a href="mailto:yanfali@gmail.com">yanfali@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On Tue, Jun 3, 2008 at 9:10 AM, James Klaas<br>
<div class="Ih2E3d"><<a href="mailto:jklaas@appalachian.dyndns.org">jklaas@appalachian.dyndns.org</a>> wrote:<br>
</div><div class="Ih2E3d">> On Tue, Jun 3, 2008 at 11:34 AM, Matt Nelson <<a href="mailto:matt@frozenatom.com">matt@frozenatom.com</a>> wrote:<br>
>> On one of my mythtv backend servers I host my fileserver that stores all of<br>
>> my media on two raid5 sets totaling 12 drives that are all attached via<br>
>> sata. These are all attached externally, and that is where my question<br>
>> lies, if I connect these drives incorrectly will my raid sets die, or does<br>
>> it not matter where they are connected since there is some metadata that<br>
>> tells the linux software raid that it belongs to a certain raid set?<br>
>><br>
>><br>
>> Also since I love seeing how people are setting up their mythboxes, attached<br>
>> is a picture of the back of the myth backend server mentioned above.<br>
>><br>
>> <a href="http://img115.imageshack.us/my.php?image=05310720471ot5.jpg" target="_blank">http://img115.imageshack.us/my.php?image=05310720471ot5.jpg</a><br>
><br>
> Did you consider using a SATA port multiplier<br>
> (<a href="http://www.satadrives.com/saii1to5popo.html" target="_blank">http://www.satadrives.com/saii1to5popo.html</a>)? I think these are<br>
> pretty well supported by recent kernels, although I'm not sure how<br>
> well they're supported by non-SiliconImage chipsets. Does anyone have<br>
> an opinion on those?<br>
><br>
> James<br>
<br>
</div>I'm about to try something like that out in the next couple of weeks.<br>
I have a sil 3124 based controller on it's way to see if it's<br>
compatible with my file server PCI-X implementation and then I've been<br>
looking at these:<br>
<br>
<a href="http://addonics.com/products/host_controller/extpm.asp" target="_blank">http://addonics.com/products/host_controller/extpm.asp</a><br>
<br>
According to the research I've done at <a href="http://linux-ata.org/" target="_blank">http://linux-ata.org/</a> support<br>
for both the 3124 and the 3726 PMP is good as of kernel 2.6.25, which<br>
is bleeding edge and beyond most mainstream distributions, but I'm on<br>
gentoo so it's not really an issue. Using this sort of solution it's<br>
possible to get to 20 ports of eSATA which should scale for quite some<br>
time; 18TB RAID6 array anyone? Then your problem becomes finding a<br>
filesystem that will scale to that. Though with mythtv that's no<br>
longer an issue thanks to storage groups assuming you can stand losing<br>
some TV. </blockquote><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>
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</div></div></blockquote></div><br><br><br>I am running a 5->1 Port Multiplier into a PCIe 1x card with an 5x internal hotswap enclosure.. Currently I have 3 x 750s in there. (in additional to my older array 6x300). Everything works great, Been running for 4 months now. Currently running 2.6.24-zen4, for 51days. I'm using the 2nd array solely for my myth video. In the near future, I will likely add 2 more 750s to bring my myth array up to ~3TB. You never have enough space.<br>
<br>Links:<br><a href="http://www.addonics.com/products/host_controller/adsa3gpx1-e.asp">http://www.addonics.com/products/host_controller/adsa3gpx1-e.asp</a><br> <a href="http://www.addonics.com/products/host_controller/ad5sapm.asp">http://www.addonics.com/products/host_controller/ad5sapm.asp</a><br>
<a href="http://www.addonics.com/products/raid_system/ae4rcs35nsa.asp">http://www.addonics.com/products/raid_system/ae4rcs35nsa.asp</a><br><br>Pics: <br><a href="http://jetcom.org/gallery/v/dragon/dragon-house/computer/">http://jetcom.org/gallery/v/dragon/dragon-house/computer/</a><br>
<br>