November 2012
Intermediate to advanced
984 pages
27h 56m
English
book
Professional Microsoft IIS 8
by Kenneth Schaefer, Jeff Cochran, Scott Forsyth, Dennis Glendenning, Benjamin Perkins
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Content Replication
A key part of virtually any web farm is keeping the various nodes of the web farm in sync. This applies to each of the three types of web farm configurations described above.
- For local content, you need one or many-way replication between the content nodes to keep them all up-to-date.
- For a NAS or SAN device you may just rely on backups if you believe that you have enough redundancy in place, but often you may want to consider a replicated copy of your storage solution as a fallback option.
In addition to the web content, there are various components that make up a web farm's website. They include, but aren't limited to, the IIS configuration, SSL certificates, content, session state, database, components in the Global Assembly Cache (GAC), and COM+ components. Often it is necessary to automatically keep this content in sync between the server nodes.
Various tools and programs exist to support this. Microsoft provides a few options, and there are many third-party vendors that have created extensive applications to take care of content replication. This section covers some of Microsoft's solutions and briefly discusses additional tools.
The two most obvious aspects of a web farm that would use replication are website content and IIS Shared Configuration files. Both are stored at the disk level, so a disk replication tool is necessary to keep them in sync.
You might be asking why replication is necessary when the IIS configuration can point to a UNC share. Without ...
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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.