Linked by Thom Holwerda on Tue 20th Dec 2005 18:37 UTC, submitted by Robert Escue
IBM Unix isn't a flashy market. But what distinction there is has been going to Sun Microsystems lately, by making its Unix-based Solaris operating system available as open-source software. Last week, IBM moved to put its AIX Unix operating system back on everybody's radar by revealing plans to create a development center on its Austin, Texas, campus to speed up AIX development.
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"While I was eating breakfast I thought of some other things. One, how do you think Linux got the ability to create LPAR's if they didn't talk to AIX engineers? At some point the Linux team would have to draw on some background information from the mainframe and UNIX groups to make it work."

LPARs are an abstraction created, and implemented in the firmware. The Linux kernel people have to haggle with the firmware people over the hcalls, and likewise, the AIX people have to haggle with the firmware people over the hcalls.

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Robert Escue Member since:
2005-07-08

And the kernel has to recognize the abstraction in order for an LPAR to be created.

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