New wiki page on write reliability

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Now that some of my recent writing has gone from NDA protected to public sample, I've added a new page to the PostgreSQL wiki that provides a good starting set of resources to learn about an ever popular topic here, how write cache problems can lead to database corruption: http://wiki.postgresql.org/wiki/Reliable_Writes

Bruce also has a presentation he's been working on that adds pictures showing the flow of data through the various cache levels, to help people visualize the whole thing, that should get added into there once he's finished tweaking it.

I'd like to get some feedback from the members of this list about what's still missing after this expanded data dump. Ultimately I'd like to get this page to be an authoritative enough resource that the "Reliability" section of the official documentation could point back to this as a recommendation for additional information. So much of this material requires singling out specific vendors and staying up to date with hardware changes, both things that the official docs are not a good place for.

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Greg Smith, 2ndQuadrant US greg@xxxxxxxxxxxxxxx Baltimore, MD
PostgreSQL Training, Services and Support  www.2ndQuadrant.us
Author, "PostgreSQL 9.0 High Performance":
http://www.2ndquadrant.com/books



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