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Books - Terminolgy


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vasanthz

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Joined: 28 Aug 2007
Posts: 1689
Location: Tiruppur, India

PostPosted: Thu Oct 11, 2012 6:12 pm
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Hi,

Could you please let me know a layman explanation to what "books" means in mainframe terminology?
I am new to systems stuff & reading things, so pardon me if the term is common knowledge.

Googling lands me nowhere since the search term is "books".

I came across the terminolgy in the below context, (http://www.timothytuohy.com/pu_configs.htm)
Concurrent CP, IFL, ICF, zAAP, or zIIP upgrades are done within a z9 EC model. Concurrent upgrades require PU spares. PU spares are PUs that are not the two standard spares but those PUs that are not characterized as a CPs, IFLs, ICFs, zAAPs, zIIPs, or SAPs.



If the upgrade request cannot be accomplished within the given configuration, an upgrade is required. An upgrade will cause the addition of one or more books to accommodate the desired capacity. Additional books can be installed concurrently.



Upgrades from one z9 EC configuration to another are concurrent and mean that one or more books are added. However, there is an exception. Upgrades from any z9 EC model up to a Model S38 to a z9 EC Model S54 is disruptive since this upgrade requires a full book replacement.


Thanks & Regards,
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10772
Location: italy

PostPosted: Thu Oct 11, 2012 6:52 pm
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here is a link
computing.llnl.gov/tutorials/ibm_sp/

nothing that You could have not found Yourself by googling with
Quote:
ibm hardware books meaning


/soapbox on
OUAT there was some hardware where the logic cards were in vertical racks
and You would pull out a logic card the same way You would pull a book out of a library shelf
/soapbox off
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vasanthz

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Joined: 28 Aug 2007
Posts: 1689
Location: Tiruppur, India

PostPosted: Thu Oct 11, 2012 7:06 pm
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Enrico,
Thank you, it makes some sense now.
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