blocksize on AIX

From: Hans de Git <hansdegit_at_hotmail.com>
Date: Wed, 01 Oct 2003 00:24:27 -0800
Message-ID: <F001.005D18CC.20031001002427@fatcity.com>

Hi all,

I've read on ixora.com.au and other sites that the optimal block size for AIX is 4K, because JFS pages are 4K also.

Has anyone of you ever experienced performance problems on AIX due to a larger blocksize? What exactly are the 'read ahead' issues and cpu problems regarding double buffering etc. Are there any alternatives, other than moving to raw volumes?

HTH,
Hans

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Author: Hans de Git
  INET: hansdegit_at_hotmail.com

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