Re: Question about nmbclusters

[Peter Eisch <peisch%gmail.com@localhost>]

I roll with a value of 262140 and I still think that's conservative.

peter

On May 22, 2013, at 6:07 PM, Konrad Neuwirth 
<konrad%mailathome.or.at@localhost> wrote:

> Hello everyone, 
> 
> we are currently facing severe problems with nmbclusters on a NetBSD 6.0 
> generic system (amd64). We're running short of nmbclusters, and I do not 
> understand how I can increase them. 
> 
> sysctl kern.mbuf.nmbclusters
> kern.mbuf.nmbclusters = 16384
> 
> I see that this number is both derived at boot time (writing another value 
> into the kernel has no effect), but I also cannot turn that knob. The only 
> value that doesn't lead to an 'invalid argument' error is 16384. I have no 
> idea what a better value is, but we've outages of up to ten minutes that take 
> down all network interfaces on that system (and we're at six networking 
> interfaces, one with three vlans -- and they're mostly well-used). 
> 
> So: What can I do to get that value up, to make the system more stable? 
> 
> Thank you,
> Konrad