Saturday, September 6, 2008

Re: [PERFORM] SAN and full_page_writes

Nikolas Everett wrote:
> I seem to have answered my own question. I'm sending the answer to the list
> in case someone else has the same question one day.
>
> According to the NetApp documentation, it does protect me from partial page
> writes. Thus, full_page_writes = off.

Just for clarification, the NetApp must guarantee that the entire 8k
gets to disk, not just one of the 512-byte blocks that disks use
internally.

--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +

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