5. RAID System ConfigurationExpress5800/R110i-1, T110i-S, T110i Maintenance Guide138Chapter 2 Useful Features5.3.5 Others(1) Clear ConfigurationUse this feature to clear configuration information. From the TOP menu, select Configure, and then ClearConfiguration to clear all configuration information.If old configuration information for the physical device remains, configuration may fail. In this case, execute"Clear Configuration".Note To remove a virtual drive, select Objects and then Virtual Drive, move thecursor onto the virtual drive to be removed, and then press the key.Select Yes when the message “Want To Delete A VD?” is displayed(2) Force OnlineUse this feature to forcibly put a physical device in the FAIL status online.From the TOP menu, select Objects Physical Drive, select the target physical device, and then select ForceOnline.(3) Rebuild RateUse this feature to specify the rebuild rate.From the TOP menu, select Objects, Adapter, and then Rebuild Rate.The available value is between 0% and 100%. The default value (recommended) is 30%.(4) Physical device informationUse this feature to display physical device information.From the TOP menu, select Objects, Physical Drive, select the target physical device, and then DriveProperties.