IBM TS2340 User Guide - Page 306

IBM Tape Diagnostic Tool 1. Start ITDT-SE, then type S and press the Enter key to scan for the devices. 2. Type O and press the Enter key to display the second device list screen. 3. On the second device list screen, type Y and press the Enter key to start the System Test. ITDT-SE then switches to the System Test screen. If no cartridge is inserted, ITDT-SE prompts to insert a cartridge. Either insert a cartridge and press the Enter key or stop the test by typing C followed by the Enter key. Note: If ITDT-SE detects data on the cartridge, it shows the System Test screen, and displays the following message: Cartridge not empty! Overwrite data? Type Y followed by the Enter key to continue the test if you are absolutely sure that data on the cartridge can be overwritten. If you are unsure, type N followed by the Enter key to stop the test. The System Test is performed as follows: a. System Test determines the amount of data to write for each supported blocksize (a percentage of the cartridge is written for each blocksize). | b. System Test writes the amount of data with all supported block sizes in powers of two down to 16kB (at maximum 512, 256, 128, 64, 32, 16), first | with incompressible, then with compressible data, and then displays performance data and progress screen. c. At the end of the test, a summary screen is displayed. a2500245 Figure 85. System Test Results The System Test can be stopped by typing A followed by the Enter key at any time. Note: It may take some time until the System Test actually stops. If you want to use other ITDT-SE functions, type R followed by the Enter key to return to the device list; otherwise press Q followed by the Enter key to exit the program. 288 IBM Tape Device Drivers Installation and User's Guide