network problems at svtix

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After the problems with packet loss that started during the server move, we moved the routing from our hp layer 3 switch to our linux router we were using for bgp. It helped alot, but it has realtek ethernet chipsets (supermicro X7SLA motherboard) that are also starting to have problems. Earlier this week we noticed the kernel saying "
[891920.491578] NETDEV WATCHDOG: eth0: transmit timed out
[891920.516542] r8169: eth0: link up
" about every 20 minutes. At about 10:30 this morning it started to do that every few minutes and there is much higher packet loss to the linux router starting at the same time. 

We've been planning to setup another dedicated pc router with intel chipsets (supermicro X7SBL) this week, so that should be ready today. Hopefully it will fix things enough so we can work more on moving the rest of the xen servers to market post tower which should also help decrease the network load.

Update: We've upgraded the kernel on the router to 2.6.32 from 2.6.26 and so far its helping.

Update: We're all finished moving to this linux router now, and things seem to be working. Email support if you are still having trouble. Thanks!

3 Comments

Is this way I am getting really bad (16 - 23%) packet loss to my VPS right now? I believe it is running on horn.

is it better now? it should be better now.

Yes, it does seem to be better now.

Thanks!

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This page contains a single entry by nick published on May 26, 2011 12:01 PM.

DHCP is back was the previous entry in this blog.

bug: soft lockup on cauldron is the next entry in this blog.

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