IBM TS2340 User Guide - Page 344

a2500229 IBM Tape Diagnostic Tool Tape Usage Figure 99. Tape Usage The Tape Usage function retrieves statistical data and error counters from a cartridge. 1. After selecting the device you want to test, start the Tape Usage function by selecting Dump -> Tape Usage Log from the actions toolbar. 2. ITDT-GE then displays the tape usage screen. If no cartridge is inserted, ITDT-GE prompts to insert a cartridge. Either insert a cartridge and click OK or stop by clicking the Abort button. System Test The System Test is a short test that performs the following: v Reveals system performance bottlenecks. Compressible data throughput values can reveal bandwidth limitations caused by the system or cabling or HBA. v Measures performance variations across the different block sizes to find the ideal block size for the system configuration. The System Test only runs on tape drives, not on autoloaders or libraries. To perform a System Test on tape drives within a library, the library must be in online mode. After selecting the device you want to test, start the System Test function by selecting Test -> System Test from the actions toolbar. ITDT-GE then displays the System Test screen. If no cartridge is inserted, ITDT-GE prompts to insert a cartridge. Either insert a cartridge and click OK or stop by clicking the Abort button. Note: If ITDT-GE detects data on the cartridge, it displays the following message: 326 IBM Tape Device Drivers Installation and User's Guide