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Question about nmbclusters
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.
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?
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