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X480-48t(10G4X) switch throws error "Input/Output error" while saving config

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TitleX480-48t(10G4X) switch throws error "Input/Output error" while saving config
Symptoms
  • Switch throws the below mentioned "Input/Output error" while saving the configuration:

-> show log
12/27/2016 18:19:33.42 <Erro:Kern.Error> FAT: FAT read failed (blocknr 2)
12/27/2016 18:19:33.42 <Erro:Kern.Error> end_request: I/O error, dev hda, sector 401575
12/19/2016 13:50:51.50 <Erro:Kern.Error> Buffer I/O error on device hda7, logical block 20272
12/19/2016 13:50:51.50 <Erro:Kern.Error> end_request: I/O error, dev hda, sector 389044
12/19/2016 13:50:51.45 <Crit:cm.file.openErr> Failed to open file "/config/primary.cfg": Input/output error

-> ls internal-memory 
drwxr-xr-x    2 root     root         2048 Dec  9 14:04 dhcp
1K-blocks      Used Available Use%
df: /scratch: Input/output error


 
Environment
  • X480-48t(10G4X)
  • EXOS 15.7.2.9
Cause
  • EEPROM file might be corrupted or may mostly mean an i2c bus hang/busy i2c bus due to contention.
Resolution
  • Reboot the switch to verify the switch logs are not generated with "I/O error".

  • Check the output of "ls internal memory" to see if the correct files are shown.

  • After reboot, if reported issues re-occur please collect EEPROM files to analyse with help of GTAC team.

Additional notes

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