LVS
lvs-users
Google
 
Web LinuxVirtualServer.org

Re: Why are servers that are down still active?

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: Why are servers that are down still active?
From: Wensong Zhang <wensong@xxxxxxxxxxxx>
Date: Tue, 13 Aug 2002 22:35:59 +0800 (CST)
On Tue, 13 Aug 2002, Martijn Klingens wrote:

> The below piece of ipvsadm output was from over half an hour after I took the 
> machine with the .102 IP (fictive IP) down for maintenance.
> 
> TCP  12.34.56.1:80 wlc
>   -> 12.34.56.101:80              Route   300    5          0
>   -> 12.34.56.102:80              Route   600    0          349
>   -> 12.34.56.103:80              Route   600    12         4
> 
> As you can see, I'm not using persistance for this website and the 
> realserver's priority was correctly set to 0.
> 
> Still, everyone who requests a file from this VIP gets assigned to this 
> realserver. Needless to say that causes problems.
> 
> Any idea what may cause this? I'm using ipvs 1.0.8 for kernel 2.2.
> 

You need run some user-space server monitor, to remove the server from the 
scheduling list or set its weight zero if a server is down. Or, you can do 
it manually.

Regards,

Wensong



<Prev in Thread] Current Thread [Next in Thread>