memory
Data are received by a bptm process and written into memory. The bptm process works on a block basic. Once a block is full, it's written to tape by another bptm process. Since the memory block size i...
As Marianne pointed out - it uses default values. Something like 64k size and 16 buffers I think.
It does not really matter what the defaults are, as in my experience the tuning must be applied to give acceptable performance when using modern tape drives (that is drives that perform at similar speeds to LTO drives. A good starting point is 262144 (size) and 32 or 64 (number) but it is a case of 'try it and see'.
