Archive for October 16th, 2011
Networking upgrade from Xen 4.0 to 4.1
Posted by Kyle Lexmond in Xen on October 16, 2011
I believe that Xen 4.1 saw the rewrite of what I’m assuming is the entire network configuration stack. Perhaps the most significant thing for me was that the domU’s network connection isn’t created/initiated properly if the domU config file has anything other than the MAC address and the bridge to which to attach the vif […]
Scheduling stuff to happen at reboots in Linux
Posted by Kyle Lexmond in Linux on October 16, 2011
Problem: My 1U is throwing correctable memory errors every few seconds, but I can’t do much about it, so I’m ignoring it. Solution: Disable the log messages about correctable memory errors. For future reference, the command is echo 0 > /sys/module/edac_core/parameters/edac_mc_log_ce Problem: I don’t want to have to do that after every reboot! Solution: Use […]
The downsides of using old servers as test beds
Posted by Kyle Lexmond in Xen on October 16, 2011
I managed to forget that Xen needs a PAE enabled kernel on i686. Oops. On a related note, adding ‘noreboot’ to the Xen command line stops automatic reboots, giving you enough time to read the error message.