June 2003
Intermediate to advanced
464 pages
10h 33m
English
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9.5. Setting up for secure and efficient I/O
A Linux image needs all three resources of a computer system: CPU, memory, and I/O. Let us present a couple of methods that can give you value in your setup. Resource sharing for Linux guests under z/VM is one of the strong points of the Linux-on-the-mainframe solution. For a guest, you can define the number of CPUs or parts of CPUs it should have, as well as how much memory it should have. In contrast to other solutions (based on individual real processors), a decision to give a guest more CPU capacity does not have to be expensive. Using the guest directory definition, administrators can change resources allocated to a guest in a matter of minutes.
Compared to over-configuring real hardware (such ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.