IBM TS2340 User Guide - Page 108
Problem, Reason and Solution, kmadmin -L acdd
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HP-UX Device Driver (ATDD) Table 14. Problems, Reasons, and Solutions (continued) Problem Reason and Solution # kmtune | grep atdd kmtune: Cannot open file -- /stand/.kmsystune_lock The file .kmsystune_lock was removed manually. Use the following command to create the .kmsystune_lock file again: # touch /stand/.kmsystune_lock IBM tape devices not claimed in ioscan -fnk display As ″root″, verify the drivers loaded in the running kernel using `kmadmin -s` If status is ″LOADED″ then run 'atdd_claim -b' to claim all IBM devices, then run 'atdd_claim -t' to claim the tape drives, then run 'atdd_claim -c' to claim the changers. If status is ″UNLOADED″ then run 'kmadmin -L atdd' to load the ATDD, then run 'kmadmin -L acdd' to load the ACDD, then run 'atdd_claim' to claim the tape devices. If status is still ″UNLOADED″, then check the entries of the files 'atdd' and/or 'acdd' in /etc/loadmods If no atdd and/or acdd file entries exist, the driver may be statically bound to the kernel or the ATDD package may not be installed. Check the installation running the following command: # swlist atdd No special files found in /dev/rmt Execute the atdd_mksf and acdd (if you have changers managed by the acdd driver) scripts found in /opt/atdd/bin atdd_mksf and acdd_mksf The special files for a device are duplicates. No special files are created by HP Stape and Schgr after installing ATDD Cannot open Special File and the system log has the following message: Invalid SCSI request in data at bit 7 of byte 4 An attempt to read data times out and returns an error and the system log has the following messages: A SCSI command timed out and was aborted. Note: The script prints out the commands that are necessary to create the special files. To create the files you must ″pipe″ the output to shell (sh), using the following commands: atdd_mksf | sh acdd_mksf | sh Remove all of the special files for the device in /dev/rmt Create the special files again by running the commands atdd_mksf or acdd_mksf Create the special files by running the command: # insf -e Wrong DENSITY setting. Check the current value by running the command: atdd_cfg -g DENSITY Try setting value to 0 (zero) by running the command: atdd_cfg -s DENSITY 0 Make sure the SILI configuration parameter is ″1″. This can be checked by running the command: atdd_cfg -g SILI If the value of SILI = 0, try setting the value to 1, by running the following command: atdd_cfg -s SILI 1 Table 15 on page 91 describes problems and possible solutions for errors you may encounter with the static driver. 90 IBM Tape Device Drivers Installation and User's Guide