What does this error mean?
This error means the SSTableReader encountered an FSError (IOError) when trying to read an SSTable from disk.
Why does this error occur?
This error occurs when an IOError occurs when attempting to open an SSTable with the SSTableReader. The exact cause should be listed in the stack trace for the error.
How do you fix this error?
Use the stack trace information to determine the cause of the IOError. Follow the appropriate steps to remedy.