Compress every block to be written on the tape using zlib library. This
option will work only when dumping to a file or pipe or, when dumping
to a tape drive, if the tape drive is capable of writing variable
length blocks. You will need at least the 0.4b22 version of restore in
order to extract compressed tapes. Tapes written using compression will
Compress every block to be written on the tape using zlib library. This
option will work only when dumping to a file or pipe or, when dumping
to a tape drive, if the tape drive is capable of writing variable
length blocks. You will need at least the 0.4b22 version of restore in
order to extract compressed tapes. Tapes written using compression will