> If you use software compression however, amanda pipes the data through > gzip before writing to tape. This has two advantages: gzip does not > suffer from the "expand already compressed data" syndrome, and amanda > has an exact knowledge how much bytes to write on the tape. > The added accuracy greatly improves the planning capacities of amanda. > Amanda really likes to schedule using accurate numbers.
Paul, The problem I have with using software compression is that it adds several hours to the "estimate phase." Am I doing something wrong? Does Amanda run the gzip ones to get the output size before running gzip again when performing the actual dump? Thanks and regards, Ivan
