Subject:
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Re: Old IBM mainframe robots
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Newsgroups:
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lugnet.org.ca.rtltoronto
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Date:
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Mon, 13 May 2002 01:44:11 GMT
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Viewed:
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939 times
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In lugnet.org.ca.rtltoronto, Calum Tsang writes:
> http://www.columbia.edu/acis/history/mss.html
> http://www.columbia.edu/acis/history/datacell.html
>
> I'm sure most of you have seen DLT, DDS and 8mm autoloaders or even the big
> tape silos out there-Peachy and it's companion server Blueberry are both
> backed to a DLT loader in MIE-they're tape drives with a robot to grab a
> tape and put them into the drive mechanism, allowing for automated backups.
>
> Anyways, the above links show some real old school IBM mainframe storage
> systems which use pretty nifty robotics to grab tapes. The capacities are a
> bit laughable-the entire system shown in the second link totalled only 3GB,
> while Mario and I were breaking apart a 10GB hard disk for grins just last
> night. But the mechanisms are neat-especially the honeycomb shape for tape
> storage. Pretty retro cool.
http://groups.google.com/groups?selm=uit8166sk.fsf%40earthlink.net&output=gplain
A little more info about the IBM 3850 MSS.
There's also a guy who's built a Lego DDS loader (4mm) tapes, which is
pretty inspirational on concept:
http://homepage.mac.com/brother_lizardo/PhotoAlbum3.html
I was looking at a DDS2 tape here and I think one approach might be not to
slide it in like on a tray as shown on the link above-this fellow seems to
pull it by the lip that's flush with the dustcover when the cover is
retracted. Instead I was thinking orient the DDS drive vertically and using
a linear drive ala Iain and grip tapes horizontally, keeping the tapes
themselves vertically. I would use optical targets to get them into a set
of slots to the left or right of the drive, making the entire mechanism a
lot more compact.
The top part of the DDS tape is smooth, but the bottom (the exact part this
guy uses to pull out the tape) has a ridge. I'm not sure how much of the
tape is exposed after eject (I figure maybe about a cm) which might be able
to grab it and pull it out with a small gripping EOAT)
Calum
Calum
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Message is in Reply To:
 | | Old IBM mainframe robots
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| (URL) sure most of you have seen DLT, DDS and 8mm autoloaders or even the big tape silos out there-Peachy and it's companion server Blueberry are both backed to a DLT loader in MIE-they're tape drives with a robot to grab a tape and put them into (...) (22 years ago, 12-May-02, to lugnet.org.ca.rtltoronto)
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