[App_rpt-users] More than 4 nodes on a PC

[Keith Goobie]

The xipar release supports centos 6.x which supports usb 3.0 ­ there are
pros and cons to Xipar.

I understand that there are some people that have ACID running on centos 6.x
­ I am awaiting input from a colleague.

I would go out and buy a bunch of usb 2.0 cards which add more buses.

Keith


On 1/20/15 4:04 PM, "Cole Cunningham" <colecaz at gmail.com> wrote:

> Keith,
>  
> Your setup looks exactly like the test rig I am using except I have four of
> the C-Media fobs.  And yes, I discovered you need no more than two fobs per
> USB bus.  With two busses available in the PC that limits it to four fobs.
> The goal is eight nodes per server.
>  
> I¹ve looked at USB 2.0 port cards and they seem to be going out of production.
> That is a concern for long term availability because we will be making the
> change over a period of several years.  And a lot of them are PCI interface
> instead of the current PCIe used in newer motherboards.
>  
> We¹re hoping to make Asterisk Allstar the replacement for the RLC-3¹s.
>  
> I wonder if anybody has gotten Asterisk/app_rpt running on a distro that
> supports USB 3.0?
>  
> Cole, AA7RD
> Phoenix, AZ
> www.w7ara.org <http://www.w7ara.org>
>  
>  
> 
> From: Keith Goobie [mailto:keith at goobie.org]
> Sent: Tuesday, January 20, 2015 1:47 PM
> To: Cole Cunningham; app_rpt-users at ohnosec.org
> Subject: Re: [App_rpt-users] More than 4 nodes on a PC
>  
> We have an asterisk node that runs three USB URI devices and it works well.
> Getting there was an education.  We found that we needed to spread out our USB
> devices amongst as many Bus¹ as you can.  Loading down a single bus will
> create breaks in the sound.  If you want things to work better add USB 2.0
> sound cards to increase the USB bus count.  Use the lsusb command to see how
> things are placed.  Below is our layout.
> 
> As you found out, ACID is based on Centos 5.x which does not work with USB
> 3.0.  
> 
> We still use a blend of RLC-DSP404¹s and Allstar.  If you are making the move
> to a PC-Linux solution, I suggest investment in SSD, UPS for AC, and a
> remotely controlled AC/DC power switch to control the computer.
> 
> Thinking along the lines of your BBB solution, you could probably do things
> with two PC-Linux servers.
> 
> Cheers
> Keith VA3YC
> 
> 
> 
> [root at allstar ~]# lsusb
> Bus 002 Device 001: ID 0000:0000
> Bus 002 Device 003: ID 0d8c:013a C-Media Electronics, Inc.
> Bus 002 Device 002: ID 0d8c:013a C-Media Electronics, Inc.
> Bus 001 Device 001: ID 0000:0000
> Bus 003 Device 001: ID 0000:0000
> Bus 003 Device 002: ID 0d8c:013a C-Media Electronics, Inc.
> Bus 003 Device 003: ID 04b3:4001 IBM Corp.
> 
> 
> 

-- 
keith at goobie.org
Keith Goobie
Richmond Hill, ON, CANADA

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