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Re: How to clear stale entries ?

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: How to clear stale entries ?
From: "Alexandre CASSEN" <alexandre.cassen@xxxxxxxxxxxxxx>
Date: Fri, 11 May 2001 13:52:42 +0100
Hi,

take a look at http://keepalived.sourceforge.net


Best regards,

Alexandre




>Is there a way to clear some entries in the ipvs tables ?
>I will try to precise my needs. We have a linux box (2.2.18, LVS 1.0.5 )
>load-balancing SMTP to 2 real servers with LVS-NAT and lc balancing
algorithm.
>Everything is working fine but if server n°1 reboots or crashes, the
connections
>entries remains in the tables as nothing indicated to  the LVS box that
the
>connections are no more active. So when the real server n°1 comes back to
>operation, the lvs box keeps on sending all the requests (up to a certain
value)
>to server n°2 because from the connection tables, it seems there are
established
>connection to server n°1 and we are in lc balancing. Of course, these
stale
>entries will be removed when the timeout occurs but in the meantime the
traffic
>is not equally load-balanced.
>
>So is there a way to remove manually some entries ? I have tried to remove
>manually the real server from the service (with ipvsadm -d .... ) and then
add
>it back but the entries are still there.





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