About Your System 53Warning MessagesA warning message alerts you to a possible problem and prompts you torespond before the system continues a task. For example, before you format adrive, a message will warn you that you may lose all data on the drive.Warning messages usually interrupt the task and require you to respond bytyping y (yes) or n (no).NOTE: Warning messages are generated by either the application or the operatingsystem. For more information, see the documentation that accompanied theoperating system or application.Diagnostics MessagesThe system diagnostic utilities may issue messages if you run diagnostic testson your system. See "Running the System Diagnostics" for more informationabout system diagnostics.Alert MessagesSystems management software generates alert messages for your system. Alertmessages include information, status, warning, and failure messages for drive,temperature, fan, and power conditions. For more information, see thesystems management software documentation.Write faultWrite fault onselected driveFaulty USB device, USBmedium, optical driveassembly, hard drive, or hard-drive subsystem.Replace the USB medium ordevice. Ensure that the USB,SAS backplane, or SATAcables are properlyconnected. See"Troubleshooting a USBDevice," "Troubleshooting anInternal SD Card," and"Troubleshooting a HardDrive."NOTE: For the full name of an abbreviation or acronym used in this table, see "Glossary."Table 1-2. System Messages (continued)Message Causes Corrective Actions