[TUHS] UNIX on S/370

Noel Chiappa jnc at mercury.lcs.mit.edu
Tue Nov 21 12:56:46 AEST 2017


    > From: Larry McVoy

    > So tape I can see being more weird, but isn't raw disk just "don't put
    > it in buffer cache"?

One machines/controllers which are capable of it, with raw devices DMA happens
directly into the buffers in the process (which obviously has to be resident
while the I/O is happening).

    Noel


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