RE: [Linux-HA] UDP / DHCP / LDIRECTORD

[Brian Carpio <bcarpio@xxxxxxxxxxxx>]

Simon,

Thanks again for all of your hard work, I have sent over a million UDP DHCP packets at the new kernel/ipvsadm with the patches applied and currently the only issue (which you know about already) is that ldirectord doesn't know about the -o option which causes a slight issue with heartbeat (but I just put in a cheap fix in my ldirectord start script to edit the services created by ldirectord).. 

So not only have I sent over 1,000,000 packets to this setup but I have also sent them as fast as 10 packets every 3 milliseconds, I plan to do a long term week long test but I don't foresee any issues.. 

Let me know if there is any other testing you would like us to do.. or if you would like me to send out the kernel-2.6.18-128 with the patch and the ipvsadm-1.24-10 rpm with the patch.. 

Thanks again Simon you are the man!!

Brian Carpio



-----Original Message-----
From: Simon Horman [mailto:horms@xxxxxxxxxxxx] 
Sent: Monday, April 12, 2010 8:56 PM
To: Brian Carpio
Cc: linux-ha@xxxxxxxxxxxxxxxxxx; lvs-devel; Julian Anastasov
Subject: Re: [Linux-HA] UDP / DHCP / LDIRECTORD

Hi Brian,

here are some patches to test.
I have only lightly tested them to the extent that they compile and appear to configure a valid service.

You can enable one packet scheduling (OPS) by passing the -o option to ipvsadm when creating a virtual service.

	e.g.

	# ipvsadm -A -u 172.17.60.211:80 -o
	# ipvsadm -L -n
	IP Virtual Server version 1.2.1 (size=4096)
	Prot LocalAddress:Port Scheduler Flags
	  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
	UDP  172.17.60.211:80 wlc ops

There are three patches:

ops-kernel-2.6.18-128.el5.patch: Patch against CentOS-5.3's 2.6.18-128 kernel.
ops-ipvsadm-1.24-10: Patch against CentOS-5.3's ipvsadm 1.24-10.
ops-ipvsadm-1.24: Patch against upstream ipvsadm 1.24

I have not up-ported the code to the 2.6.33 kernel and ipvsadm 1.25 yet.


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