[Asterisk-Users] Info request from Sangoma users

[Matt Florell]

Hello,

Can you post what firmware your board is and what wanpipe driver
version you are using?

We do up to 50 concurrent recordings on our systems and they do not
have recording issues. We use MegaRAID 320-1 cards as well.

MATT---

On 12/13/05, Gavin Hamill <gdh at laterooms.com> wrote:
> Hi :)
>
> I have an A104 and wondered if other owners could confirm the strange
> behaviour I'm seeing.. it's best seen on an idle system, thus
> eliminating asterisk or other factors..
>
> Very simply, just let 'vmstat 1' run for a few minutes and watch the
> output, specifically the 'sy' column...
>
> On the 2.4G Xeon machine I'm using, the system CPU usage sits very low
> for a minute or two, and then spikes up to 100 for a few seconds, before
> tailing off again - this happens all the time :(
>
> Interestingly, the 'load average' as reported with 'w' always stays at
> zero even with this high 'system load'...
>
> I moved the card to another PCI slot (and bus) and get the same thing,
> but now much more frequently, but for a much shorter length of time...
>
> Now bringing Asterisk into the picture, I can't use Monitor() because
> once I get even 5 simultaneous recordings, the real 'load average' on
> the machine spikes up to 2 and greater, and calls become stuttered as
> the machine fails to keep up with whatever it's doing..
>
> The machine is SCSI, with a decent LSI Logic onboard controller and fast
> disks - so it's nothing to do with enabling DMA - hdparm shows 70MB/sec
> with minimal load increase.
>
> Can anyone confirm this behaviour?
>
> Cheers,
> Gavin
>
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