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Tape error control



I am developing an application (C++ on Linux) that
produces a big amount of data (over 200 Mbytes per
hour). The PC will be installed in a boat, so there
will be some violent movements during the writing
.Data's reliability is very very important and I want
to store it directly on a Tape Drive. 

>Issue 1:
The sequential storage implies that the loss of a
block of data leads to the loss of the remaining
file's data.Does it exist any open source aplication
that provides error control for sequential storage in
a tape?

>Issue 2:
Another idea is to write the blocks of data in a
buffer and send it to the tape when it is full, with a
previous byte mixing that it will be inverted in
reading. In the case of a fatal error occurs with the
tape(it is phisical damaged) this mixing provides a
distribution of the big unrecoverable error in many
little recoverable errors in diferents blocks of data.
Does it exist any implementation of this idea or
something similar?


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