The operating system of servers in the StorageGRID environment is Linux, and all C programs that run in a Linux environment use standard system error codes. In the bycast.log, the EXXX error codes map...The operating system of servers in the StorageGRID environment is Linux, and all C programs that run in a Linux environment use standard system error codes. In the bycast.log, the EXXX error codes map exactly to the standard system error codes: From the Error Code Table below, error 5 or E005 means that an 'I/O error' is reported. The following is the list of error numbers and their descriptions in the Linux operation system.