IBM TS2340 User Guide - Page 136
Automatically Retrieve a Drive Dump, example, lin_tape1, etc.
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Linux Device Driver (lin_tape) The volume logging data is stored in the /var/log directory by default. You may specify another directory in the /etc/lin_taped.conf file. There are two configuration parameters in the /etc/lin_taped.conf file that you can tailor to affect the number of log sense files that are kept on your system: v lin_tapeMaxLogSenseFiles which can have a value of 0 or a positive decimal number. v lin_tapeAutoLogSenseFileOverWrite which can have a value of 0 or 1. By default, lin_tapeMaxLogSenseFiles is 0 and lin_tapeAutoLogSenseFileOverWrite is 1, which means that every time log sense data is created, it is written to a new file. If lin_tapeMaxLogSenseFiles is 0, lin_tapeAutoLogSenseFileOverWrite is ignored, and each time log sense data is obtained, it is written to a new file. If lin_tapeMaxLogSenseFiles is a positive number and lin_tapeAutoLogSenseFileOverWrite is 0, each time log sense data is created, lin_taped writes that data to a file until lin_tapeMaxLogSenseFiles have been created; then lin_taped stops creating new files, even if new log sense data is produced. If lin_tapeMaxLogSenseFiles is a positive number and lin_tapeAutoLogSenseFileOverWrite is 1, each time log sense data is created, lin_taped writes that data to a file until lin_tapeMaxLogSenseFiles have been created; then when new log sense data is detected, lin_taped deletes the oldest log sense file and creates a new file with the newest log sense data; thus, only the newest data is kept. Automatically Retrieve a Drive Dump: If a condition occurs in the drive such that a drive dump is created, lin_taped retrieves the drive dump and saves it in a file named lin_tapex.timestamp.dmp, where lin_tapen is the device special file (for example, lin_tape1, lin_tape2, etc.) and timestamp reflects the time the file was created. Each time a drive dump is obtained, it is written to a new file. The IBM service organization may request that you forward drive dumps to them for analysis. The drive dumps are stored in the /var/log directory by default. You may specify another directory in the /etc/lin_taped.conf file. There are two configuration parameters in the /etc/lin_taped.conf file that you can tailor to affect the number of drive dumps that are kept on your system: v lin_tapeMaxDumpFiles which can have a value of 0 or a positive decimal number. v lin_tapeAutoDriveDumpFileOverWrite which can have a value of 0 or 1. By default, lin_tapeMaxDumpFiles is 0 and lin_tapeAutoDriveDumpFileOverWrite is 1, which means that every time a drive dump is obtained, it is written to a new file. If lin_tapeMaxDumpFiles is 0, lin_tapeAutoDriveDumpFileOverWrite is ignored, and each time a drive dump is obtained, it is written to a new file. If lin_tapeMaxDumpFiles is a positive number and lin_tapeAutoDriveDumpFileOverWrite is 0, each time a dump is obtained, lin_taped writes that data to a file until lin_tapeMaxDumpFiles have been created; then lin_taped stops creating new files, even if new drive dumps are produced. 118 IBM Tape Device Drivers Installation and User's Guide