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Re: ipvsadm --set... what does it modify?

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: ipvsadm --set... what does it modify?
From: Guy Waugh <gwaugh@xxxxxxxxxx>
Date: Wed, 07 Dec 2005 08:54:57 +1100
Hi Ratz,

Roberto Nibali wrote:
G'day,

We had a major power outage last night, and everything got rebooted, including my LVS directors (RHEL3, Ultramonkey 3, mainly LVS-NAT).


Ok.

Everything came back up fine, but it seems that some Oracle clients outside the cluster are timing out (i.e. connections seem to expire) to the Oracle server on the inside of the cluster. I have set persistence for these connections to 604800 seconds, but I forgot to script 'ipvsadm --set 604800 0 0' to happen at boot time. I've just run this manually, and I'll soon see whether it fixes the Oracle timeout issue.


I don't quite understand your problem because of the "Oracle clients outside the cluster", are there any Oracle clients inside the cluster that don't show this behaviour?

Yes, the Oracle clients inside the cluster were fine.

I did a 'ipvsadm --set 604800 0 0' yesterday afternoon (Australian time), and it seems to have fixed the problem. I must have done this a few months ago when our new LVS directors went into operation, but forgot to script this command for boot time. Fixed now.

Thanks,
Guy.



Regards,
Roberto Nibali, ratz

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