OPERATIONAL DEFECT DATABASE
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There is an Onboard Failure Logging (OBFL) issue while reloading a switch that is caused by a directory not being free during bootup. As a result, the bootstrap process is not able to unmount the directory and Fault code F2421 is raised with the following description: Diagnostics test failed. reason:Failed to write/read obfl device
This issue is seen while reloading a switch, since the directory is not free during bootup, bootstrap process is not able to unmount the directory.
No workaround is possible because this happens during the bootup time.
It's just an error condition. No functionality impact on the switch.
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