IBM TS2340 User Guide - Page 354

IBM Tape Diagnostic Tool 10. Prints statistics. Erase When you select the Erase command, ITDT issues the (extrinsic) ioctl command. Load Tape ITDT issues a SCSI Load command to load a tape. Unload Tape When you select the Unload Tape command: 1. ITDT issues the (extrinsic) ioctl command. 2. The tape will rewind and then unload. Write Filemarks When you select the Write Filemarks command: 1. In the Filemark-Count box, enter the number of filemarks to write. 2. ITDT issues the (extrinsic) ioctl command. Synchronize Buffers When you select the Synchronize Buffers command, ITDT issues the ioctl command. Query/Set Parameter When you select the Query/Set Parameter command: 1. ITDT displays changeable parameters. Note: The list of changeable parameters are operating system specific. 2. Select from the list of parameters that can be changed by clicking on the choice. 3. ITDT requests prompt for parameter value (if required). 4. ITDT requests safety prompt (if required). 5. ITDT issues the ioctl command. Query/Set Position When you select the Query/Set Position command: 1. ITDT prints the current Position and requests the New Position. Note: ITDT does not distinguish between logical and physical position, it just displays the current position and queries for the one to set, then sets the new position. 2. Enter the block id for where the tape should go to. This must be entered in decimal. When the tape is being set the block id will be printed out in decimal with hexadecimal in parentheses. 3. ITDT issues the Set Position ioctl and return the pass or fail results. 4. ITDT prints decoded logical position details. 5. ITDT issues Query Physical Position ioctl command. 6. ITDT prints decoded physical position details. 7. You are prompted for position to set (logical or physical) or to stop. 8. You are prompted for block id in decimal or hexadecimal. 336 IBM Tape Device Drivers Installation and User's Guide