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IBM's mini computerslack thereof 824IBM's mini computerslack thereof 826 You can purchase off-the-shelf package units that will sit on a pad on the... Yay! That isn't many compared to what a PDP-10 did before VAX existed. It's exactly what I'm talking about. Sigh! It should never have been "OK". It should have been "WOW!GAZUNGA! We gotta get more of these!" This should never happen. It is up to the OS to not let slow devices get in the way of processing. If our disks on the Alpha kept a system in I-O wait, then we should have been working on faster disks or different file storage algorithms. TOPS-10 tried to solve some this contention with SMP and that was with really slow I-O devices (compared with new stuff). What did they give us for an "upgrade" disk--f***ing HSCs where a protocol intervened. Putting another layer of PHB management to get any bits stored or retrieved is not my idea of perfomance improvements.
IBM's mini computerslack thereof 825 Anne & Lynn Wheeler there was a hack done in the mid-to-late 70s to address... We never did on the software side. I don't why because we had hired a lot of IBM castoffs in the 80s. Very few of our software gurus ever visited a disk farm installation. I never heard about any hardware types who worked at the tech level visiting one to see what kinds of computing these people needed. BAH BAH Subtract a hundred and four for e-mail.
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