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faq:network_troubleshooting

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faq:network_troubleshooting [2021/03/05 11:36 (5 weeks ago)]
tanya
faq:network_troubleshooting [2021/03/05 13:01 (5 weeks ago)] (current)
kevin
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   * Are there any patches available for the server hardware?  Firmware such as RAID card, network card, BIOS?   * Are there any patches available for the server hardware?  Firmware such as RAID card, network card, BIOS?
   * Could line voltage be an issue?  Any large motors, compressors or welding devices nearby?  You may want to consider some power conditioning.   * Could line voltage be an issue?  Any large motors, compressors or welding devices nearby?  You may want to consider some power conditioning.
-  * Check for pending Windows updates on all workstations/servers involved.  Strange things can occur when updates have not been applied a server degrades into a "reboot pending" state. +  * Check for pending Windows updates on all workstations/servers involved.  Strange things can occur when updates have not been applied and a server degrades into a "reboot pending" state. 
-  * Check settings for power saving options and disable.  We have seeing OS updates reset power-saving settings.+  * Check settings for power saving options and disable.  We have seen OS updates reset power-saving settings.
   * Check for bad or failing ports on switches that are not consistent (Even new ones can fail)   * Check for bad or failing ports on switches that are not consistent (Even new ones can fail)
   * Ports auto-detecting incorrectly (ie: 10Mb detected on the switch when the server is transmitting at 100Mb)   * Ports auto-detecting incorrectly (ie: 10Mb detected on the switch when the server is transmitting at 100Mb)
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 ===== Have a Plan B ===== ===== Have a Plan B =====
-When a local network event takes place, often IT resources get solely placed into troubleshooting and healing the network.  This is a great primary action but consider and start moving a Plan B in the event that healing the network does not work.  Restoring from backup to a different server may not seem like a great plan now.  But when it can take days to get parts for a failed server resource, operating on a slower second option will seem like a good option to have +When a networking event takes place, often IT resources get solely placed into troubleshooting and healing the network.  This is a great primary action but consider and start moving a Plan B in the event that healing the network does not work.  This can decrease downtime experienced and will often show areas that can be improved for Business Continuity Planning.   
 + 
 +<note tip>Example:  Restoring from backup to a slower server may not seem like a great plan at the beginning.  When it can take days to get parts for a failed network component, operating on a slower second option will eliminate downtime if it is available.</note>
faq/network_troubleshooting.txt · Last modified: 2021/03/05 13:01 (5 weeks ago) by kevin