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How to reduce the down time to 10 seconds
- Do not upgrade the OS kernel. Other components are OK to upgrade:
yum –exclude=kernel* update
- Upgrade drivers on the running system:
yum install dna-ixgbe fastdpi dpiutils
- Add to the configuration file /etc/dpi/fastdpi.conf the parameter scale_factor
- Prepare a script to upgrade drivers "on the fly" in file dpiupdate.sh:
service fastdpi stop rmmod ixgbe modprobe ixgbe service fastdpi start
And execute it:
chmod +x dpiupdate.sh nohup ./dpiupdate.sh&
- Check that everything works1)
1)
If it does not: reboot the computer, or read this information "Troubleshooting", or contact the tech support