IBM TS2340 User Guide - Page 121
Nonchangeable Parameters, Autoloading, Capacity Scaling, Density Code, Emulate Autoloader, Hook Word
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Linux Device Driver (lin_tape) v Compression v Disable auto drive dump v Disable SIM logging v Logging v Logical write protect v Maximum SCSI transfer length v Read past filemark v Rewind immediate v Trace v Trailer labels Nonchangeable Parameters The configuration parameters are used to set the operating mode of the tape drive and device driver when a device is opened. The nonchangeable parameters are detailed as follows: Autoloading This parameter enables the autoloading feature of the device driver. It is disabled by default and cannot be changed. Capacity Scaling This parameter sets the capacity or logical length of the current tape. By reducing the capacity of the tape, the tape drive can access data faster at the expense of data capacity. Capacity Scaling is not supported currently but might be supported in future releases of lin_tape. Density Code This parameter is the density setting for the currently loaded tape. Some tape devices support multiple densities and report the current setting in this field. It cannot be changed by the application. Emulate Autoloader This parameter currently is not supported and should be ignored. Hook Word This parameter is not supported in the lin_tape device driver. Logical Write Protect This parameter sets or resets the logical write protect of the current tape. This feature is not supported currently but might be supported in future releases of the lin_tape. Maximum Block Size This parameter is the maximum block size for the device. Minimum Block Size This parameter is the minimum block size for the device. Medium Type This parameter is the media type of the current loaded tape. Some tape devices support multiple media types and different values are reported in this field. Chapter 5. Linux Tape and Medium Changer Device Driver 103