The Ftape Installation and Usage Guide - Configure ftape
The following options are understood by all FDC driver modules i.e. by
ftape-internal.o
, trakker.o
and bpck-fdc.o
.
ft_fdc_threshold=DEC0,DEC1,DEC2,DEC3
|
Set the FIFO threshold of your FDC DEC#X takes values between
` |
ft_fdc_rate_limit=DEC0,DEC1,DEC2,DEC3
|
Set the maximum allowable data rate for the FDC. DEC#X has to be
one of |
ft_fdc_rate_limit
and ft_fdc_threshold
are useful in case
you find `reduced data rate because of excessive overrun errors
'
messages in your kernel log files. In this case, try first to increase
the FIFO threshold, and if this doesn't help try to set the
ft_fdc_rate_limit
to a lower value. Try 1000
for QIC-3020
tape drives (i.e. TR-3) and 3000
for the Ditto Max.
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