March 2018
Intermediate to advanced
426 pages
9h 58m
English
book
Mastering vRealize Operations Manager - Second Edition
by Spas Kaloferov, Chris Slater, Scott Norris
Content preview from Mastering vRealize Operations Manager - Second Edition
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How does HA and data duplication work?
As we just said, HA duplicates all incoming resource data so that two copies exist instead of one in both the GemFire cache and Persistence layers. This is done by creating a secondary copy of each piece of data that is used in queries, if the node hosting a primary copy is unavailable.
It is important to note that as HA is simply creating a secondary copy of each piece of data, as such only one node failure can be sustained at a time (N-1) without data loss, regardless of the cluster size. If a node is down, a new secondary shard of the data is not created unless the original node is removed from the cluster permanently.
When a failed node becomes available again, a node is placed into recovery mode. ...
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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.