Compaq ProLiant 1000 ProLiant Server Troubleshooting Guide - Page 76

Hardware Problems DAT Drives Use Table 2-13 to troubleshoot common DAT drive problems. Table 2-13: DAT Drive Problems Problem DAT drive sense error codes are displayed. DAT drive error or failure occurs. DAT drive is providing poor performance. Latest firmware indicates a defective tape. Head clogs occur regularly. Problem is still not solved. Possible Cause There is a drive error. Drivers and software are not current. Drive has particle contamination on the heads. Drive is being used to backup more than what is recommended. Media is defective. Possible Solution DAT drive sense error codes are detailed in the whitepaper Troubleshooting DAT Drives. Search the following website: www.hp.com Upgrade drivers, software, and firmware to the latest revisions. Clean the drive at least four times to be sure that the heads are clean and to eliminate dirty heads as the possible cause of the failure. DAT drives require cleaning every 8 to 25 hours or they may fail intermittently when using marginal or bad media. Be sure that you are following the proper regular cleaning procedures. Refer to Chapter 6, "Error Prevention." DAT drives are designed with optimum and maximum data backup sizes due to the time it takes to backup and verify large amounts of data and the increased cleaning requirements of the drive when used for backing up large amounts of data. Refer to the drive documentation to determine the appropriate data backup size for the drive. Replace the media. Drive is bad. Replace the drive. 2-34 HP Servers Troubleshooting Guide