July 28, 20232 yr So yesterday I was updating some dockers and items in my system. I am on 6.12 and 6.12.3 was available for update. Never had any issues with the stable release updates in the past. Well this one downloaded and went to reboot. Never came up so had to dig out a monitor to hook up to the unit to check, and got a firmware checksum error. Hit Enter to reboot and same issue. Ultimately I had to revert back to my 6.11 backup. Seems like 6.12.3 needs some more polishing.
July 28, 20232 yr Community Expert Solution The error message that you saw was the result of the checksum on one of the system data files NOT matching the expected sum stored in the checksum file on your root drive. I would suggest that you try to upgrade again. (If you are a bit paranoid, make a backup of your flash drive first. MAIN, then click blue 'Flash' in the "Boot Device" section. You will see in the "Flash Device Settings" section, the 'FLASH BACKUP' button.) If it fails again, post back with a complete diagnostics file. Get this after you upgrade to version 6.12.3 but before you reboot your server.
July 31, 20232 yr Author @Frank1940 Thanks for the advice. Here is the log. I have updated but not rebooted. nexus-diagnostics-20230731-1144.zip
July 31, 20232 yr Community Expert It would be a good idea to run memtest, bad RAM can cause a checksum error.
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