Mailing List Archive: Linux Virtual Server: Users

[lvs-users] LVS-DR in HA mode, VIP not being assigned to eth0:0 on boot

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dan at mybentek

Nov 24, 2009, 6:58 AM

Post #1 of 2 (426 views)
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[lvs-users] LVS-DR in HA mode, VIP not being assigned to eth0:0 on boot

Hi,

I recently performed a new setup of LVS using DR for a pair of web servers in streamlined, high-availability/capacity mode. To get around the ARP issue, I assigned the VIP to the localhost adaptor (lo:0). In the past this has not been a problem, but for some reason the active director in this pair won't assign the VIP from lo:0 to eth0:0 on first boot until I kick the heartbeat service several times.

Any suggestions for troubleshooting?

# uname -a
Linux [DIRECTOR1 REDACTED] 2.6.18-164.6.1.el5 #1 SMP Tue Nov 3 16:12:36 EST 2009 x86_64 x86_64 x86_64 GNU/Linux

Also, what other information is needed for a better diagnosis?

Thanks,
Dan

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horms at verge

Nov 27, 2009, 4:25 AM

Post #2 of 2 (384 views)
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Re: [lvs-users] LVS-DR in HA mode, VIP not being assigned to eth0:0 on boot [In reply to]

On Tue, Nov 24, 2009 at 09:58:33AM -0500, Dan Thagard wrote:
> Hi,
>
> I recently performed a new setup of LVS using DR for a pair of web servers in streamlined, high-availability/capacity mode. To get around the ARP issue, I assigned the VIP to the localhost adaptor (lo:0). In the past this has not been a problem, but for some reason the active director in this pair won't assign the VIP from lo:0 to eth0:0 on first boot until I kick the heartbeat service several times.
>
> Any suggestions for troubleshooting?
>
> # uname -a
> Linux [DIRECTOR1 REDACTED] 2.6.18-164.6.1.el5 #1 SMP Tue Nov 3 16:12:36 EST 2009 x86_64 x86_64 x86_64 GNU/Linux
>
> Also, what other information is needed for a better diagnosis?

Is there anything interesting in the heartbeat logs?
If you run the IPaddr or IPaddr2 resource by hand do you get any luck?
They are shell scripts, so if not debugging should be fairly
straightforward.

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