Recently, we got an issue in our SAP system where the SAP standard job SAP_PERIODIC_ORACLE_SNAPSHOT was failing every hour with system dump DBIF_RSQL_SQL_ERROR. The dump had the database error text as Database error text........: "ORA-01115: IO error reading block from file (block # )#ORA-01110: data file 30: '/oracle/<SID>/sapdata1/sr3_23/sr3.data23'#ORA-27072: File I/O error#Solaris-AMD64 Error: 5: I/O error#Additional information: 4#Additional We suspended the SAP job SAP_