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Re: Help - Dead Director

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: Help - Dead Director
From: "Lorn Kay" <lorn_kay@xxxxxxxxxxx>
Date: Tue, 21 Nov 2000 22:37:50 -0000
Everything you are describing sounds like DNS name resolution problems.

Use a "-n" to the commands you are trying to tell them not to bother resolving IP addresses back to host names.

You may not even need DNS on your servers. Try naming /etc/resolv.conf out for a moment and see if that makes things run smooth.

--K

From: Trevor Marshall <trevor@xxxxxxxxxxxxx>
Reply-To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
To: Linux Virtual Server Mail List <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Help - Dead Director
Date: Tue, 21 Nov 2000 13:01:59 +0000

Help please - I am having some serious problems with sick director box.
I
had the box in service for a long time and moved it last week. When I
changed the IPs it started behaving poorly.
It is a simple NAT box and is not even load-balancing currently - just
port-forwarding really. Kernel 2.2.16 with all ipvs up-to-date.

Symptoms are:
- Seems to drop the virtual host IP's that it listens on. ifconfig shows
them all there but when I hit it with traffic for the ones that seem
down
down I
don't see anything; either through the logging of denied packets
(ipchains) in  my kernel messages or through tcpdump
- when I turn the virtual IP that is broke over to the main IP then back
again the virtual device seems to come up - my problem is that it will
fall over again.
- nothing in my kernel logs, ifconfig shows healthy interfaces, and
netstat is all ok
- tcpdump outputs seem slow sometimes
- sometimes when I ask for "route" it is really slow
- ipvsadm -l is extremely slow to show output - all the time

Seems like the kernel is all bound up doing something. Reboots don't
help.

help please, I know this is a little  off-topic. If I should post to
another list I am open to suggestions. I haven't found much help in
faq's
etc and time is of essence.

thank you!
-TRevor

ps - this is a resend as I didn't know this was a members-only list and
sent from my other address. oops.

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