[asterisk-users] Compatibility Issues with dell poweredge 195and TE110P card

[broadband Voice]

How did this workout? I am considering getting the Dell PowerEdge 2950.

On 11/5/07, Steven <asterisk at tescogroup.com> wrote:
>
>   2950s work fine.
>
> I have had the parity error for over a year with no noticable problems.
> It is working fine.
>
> I did have to make some IRQ changes to clean up the system.
>
> I did these on my Dell 1750 test machine, but have made the same changes
> on my production machine.
> The changes basically redue the IRQ load from other cards, like the RAID
> card, which will reduce the bus's capacity for processing all of the TDM
> IRQs.
> It also allocates just one CPU full time for all of the TDM IRQs.
>
> The changes are below:
>
>
> ref:
> FYI on zttool output on SMP system
>
> --- Results after 56 passes ---
> Best: 100.000000 -- Worst: 99.987793 -- Average: 99.999564
> Only 2 were 99.987793, the 54 others were all 100.000000.
>
> I got this by making the changes below on my dual proc Dell 1750.
>
> setpci -v -s 01:08.1 LATENCY_TIMER=8
> setpci -v -s 00:0f.1 LATENCY_TIMER=8
> setpci -v -s 01:04.0 LATENCY_TIMER=8
> setpci -v -s 01:02.0 LATENCY_TIMER=8
> setpci -v -s 00:0f.2 LATENCY_TIMER=8
> setpci -v -s 01:04.0 LATENCY_TIMER=8 (these are USB, SCSI HW RAID driver,
> Ethernet, Video, etc. I did not alter ZAP cards, nor any
> bridges or buses)
>
> echo 1 > /proc/irq/17/smp_affinity (Ethernet)
> echo 1 > /proc/irq/18/smp_affinity (SCSI HW RAID Driver)
> echo 2 > /proc/irq/20/smp_affinity (TDM)
> echo 2 > /proc/irq/24/smp_affinity (TE411P)
>
> I also turned of the startup of irqbalance.
>
> The setpci changes did the most work concerning reaching 100% in zttest.
>
> Irqbalance was causing the the processor handling the interrupts of the
> zap cards to change very often.
> This would impose a delay during the change and cause the zttest numbers
> to drop/be inconsistent.
>
> Because I turned irqbalance off, the irqs are processed round robin style,
> which is also not good.
> Therefore, I hard coded the processor affinity for the zap cards to one
> proc and all other high load irqs to the other proc.
> If you have more than 2 procs, you can spread them out even more. If you
> do not turn off irqbalance, the affinity changes will be
> overwritten by it.
>
> I made these changes on a live system without issue.
> I set these changes in  /etc/rc.d/rc.local to reset them after reboots.
>
> --
> --
> Steven
>
> http://www.glimasoutheast.org
>
>
>
>
> "Brian Hutchinson" <b.hutchman at gmail.com> wrote in message
> news:3d1967ab0710250333r62643f08nc8efa99ec6c6e2a0 at mail.gmail.com...
> You guys are scaring me! I'm building a 2950 with SAS RAID 5 on the new
> PERC and it will have 2 TE420P's.  I hope it works or my bacon will fry.
>
> On 10/25/07, Joseph Begumisa <joe at cfi.co.ug> wrote:
> >
> > >
> > > Has anyone had any compatibility issues with a TE110P card installed
> > > on a Dell Poweredge 1950?I noted the following error on the LCD
> > > display of the Dell Poweredge 1950:
> > >
> > >
> > >
> > > E1711 PCI PErr Slot 1 E171F PCIE Fatal Error B0 D4 F0.
> >
> > >Yes, I have had this problem with a dell PE1650, 1850, SC1400, and
> > PE650. I
> > have a TE410P that does it. It may not be wise, but I just ignore the
> > orange
> > blinking LCD display (or light, >depending on the model). I did try
> > reseating the card, and it "works" for a few weeks, and then goes back
> > to
> > the same old thing.
> >
> > Yes, that happened too.  Digium has graciously offered to send me a
> > TE120P
> > with the Digium VoiceBus technology which I will test out on the Dell1950.
> > Will post my findings thereafter.
> >
> > Joseph.
> >
> >
> >
> >
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>
>  ------------------------------
>
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