Re: [Vserver] iproute2 behavior problem

From: Chuck <chuck_at_sbbsnet.net>
Date: Sun 03 Dec 2006 - 14:31:39 GMT
Message-Id: <200612030931.39491.chuck@sbbsnet.net>

On Sunday 03 December 2006 09:25, Michael S. Zick wrote:

will check all this out. thanks... this is a production machine and when i
reboot it on those rare occasions very late at night, i need it to boot fast
as possible with no unnecessary delays as it takes a large number of our
sevices down during that time. why someone would introduce a 2 second delay
between ip assignments is beyond me. unless someone added a delay for reading
diag messages then forgot to remove it.

> On Sun December 3 2006 05:50, Chuck wrote:
> > On Sunday 03 December 2006 00:28, Herbert Poetzl wrote:
> >
> >
> > this is during boot when initializing the ethx adapters.
> >
>
> I noticed that myself on a Debian/Etch system - I suppose
> any distro that follows their lead (uses the same udevd)
> might have the same symptoms;
>
> Look for: /etc/udev/rules.d/z25_persistent-net.rules
> which is generated at runtime, during boot,
> by /etc/udev/persistent-net-generator.rules
>
> If you do not intend to be changing nic's in the box
> in-between boots, then that rule generator only needs
> to run once per life-time of the machine - not once
> per every boot.
>
> I don't have my hands on your set-up - so I can't say
> what/how to make the changes to your configuration files,
> but that is the 'slow to initialize' ethernet nics problem
> area.
>
> Believe me, you do not want to plug in a usb-nic if you want
> a fast boot - it will eventually boot but you could swear
> the kernel hung while waiting.
>
> Mike
> >
> > > On Fri, Dec 01, 2006 at 10:32:12PM -0500, Chuck wrote:
> > >
> > > > i am assuming this behavior is in recent iproute2 changes. previously
> > > > on an x86 machine last year, 140 ip addys on one nic would load very
> > > > fast.
> > > >
> > > > now, on amd64 current versions, it pauses 2 whole seconds between ip
> > > > addys!!
> > >
> > > when you add them? remove them? or just view them?
> > >
> > > could be an overeager nameservice reverse lookup
> > > trying to find a name to your IPs :)
> > >
> > > HTH,
> > > Herbert
> > >
> > > > it is intolerable. does anyone have a fix for this or know what causes
> > > > it?
> > >
> > > too little information ...
> > >
> > > best,
> > > Herbert
> > >
> > > > --
> > > >
> > > > Chuck
> > > >
> > > > _______________________________________________
> > > > Vserver mailing list Vserver@list.linux-vserver.org
> > > > http://list.linux-vserver.org/mailman/listinfo/vserver
> > >
> >
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-- 
Chuck
"...and the hordes of M$*ft users descended upon me in their anger,
and asked 'Why do you not get the viruses or the BlueScreensOfDeath
or insecure system troubles and slowness or pay through the nose 
for an OS as *we* do?!!', and I answered...'I use Linux'. "
The Book of John, chapter 1, page 1, and end of book
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Received on Sun Dec 3 14:37:09 2006
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