LPAR
Can anybody tell be what is LPAR on AS/400 and its use plz?
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ASKED:
August 7, 2009 3:36 PM
UPDATED:
August 11, 2009 2:57 PM
Answer Wiki:
If you're familiar with FDISK, LPAR is simlliar where you can "divide" an iSeries into several partitions giving each its own system name, etc. Some uses for this are:
To separate your Production system into two LPARs, one for Production "live" data, the other for your Developers and "test" data.
Others have used it strictly for QA.
I've also seen shops use LPARs for DR. In the event of multiple disk crash, you can switch your users to the other LPAR. Of course if your entire ISeries goes down, you're out of luck with DR!
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http://www.redbooks.ibm.com/abstracts/sg246251.html
more at goggle: as/400 lpar
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LPAR is logical partition on an AS/400. If you have 3 LPARS on your server it means that your one server can act as 3 servers.LPARs can have diifferent memory partitions, cpu usage etc according to the extent of data it has to handle.So one server can be divided into different servers by creating LPARS.
fyi – LPARs come from the mainframe world where LPARs have existing for 40 years.
Steve