Appendix B StorNext Administration Tasks
Manually Modifying Storage Manager Configuration
Manually Modifying Storage Manager Configuration
fs_sysparm_override Configuration File
StorNext employs global parameters that define the Storage Manager configuration. Although the default values in these files are sufficient for most installations, you can edit the files to customize the StorNext software for your specific installation. This section provides a procedure that can be used to modify the following StorNext configuration files:
•/usr/adic/TSM/config/fs_sysparm_override
•/usr/adic/TSM/config/filesize.config
•/usr/adic/TSM/logs/log_params
The fs_sysparm_override configuration file is used to tune items related to system administration, drives and media, media manager interface, and other miscellaneous items. For more information about the parameters that can be placed into the fs_sysparm_override configuration file, refer to the fs_sysparm.README file.
Caution: Incorrect modification of the fs_sysparm_override configuration file can cause a serious, adverse effect on StorNext functionality. Before modifying this file, Quantum recommends that you contact Quantum Global Services.
Caution: If you have files larger than 100GB and are using LTO2 media, the MED_SEG_OVER_LTO parameter may be modified to a value less than or equal to 190G to reduce file fragmentation. This has the adverse effect of reducing the potential for parallel I/O for multiple file segments. Setting the MED_SEG_OVER_LTO parameter to a value larger than 190GB may result in allocation failures that prevent file movement to tape.
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