Administrative Tasks
1-58 System Tasks 600716 Rev A
Step 2. Modify any of the drive parameters identified in the
table below:
Step 3. Save and close the edited file.
Modify TapeUsage The way data is written to tape is modified by editing the
appropriate system parameters that control:
• Estimated tape length calculations.
• Data block size.
Step 1. Using a text editor, open the fs_sysparm file
located in the $FS_HOME/sysparms directory.
Step 2. Modify any of the default tape utilization parameters
identified in the table below:
Parameters Description
FS_DRIVE_ERR_THRESHOLD Threshold value when
equalled or exceeded results
in drives being taken offline.
FS_THRESHOLD_INC_NUM Threshold increment number
variable. Value for the drive
failure level when an access
to a drive fails.
FS_THRESHOLD_DEC_NUM Threshold decrement number
variable. The value for the
drive failure level when
access to a drive is
successful.
Parameters Description
NOMINAL_FILE_SIZE Nominalfilesizeinbytes.Usedto
estimate remaining tape capacity.