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NNTP-Posting-Date: Wed, 14 Sep 2005 20:03:38 -0500
From: "VC" <boston103@hotmail.com>
Newsgroups: comp.databases.oracle.server
References: <1126283179.991124.138480@z14g2000cwz.googlegroups.com>   <1126284892.947680.217710@g44g2000cwa.googlegroups.com> <1126294364.813025.287860@o13g2000cwo.googlegroups.com> <dfsonr$5g9$1@nwrdmz03.dmz.ncs.ea.ibs-infra.bt.com> <1126306293.634107@yasure> <dftp0r$621$1@nwrdmz01.dmz.ncs.ea.ibs-infra.bt.com> <1126329859.958172@yasure> <dftu3v$82a$1@nwrdmz02.dmz.ncs.ea.ibs-infra.bt.com> <1126374364.66827@yasure> <dfvg2j$no3$1@nwrdmz01.dmz.ncs.ea.ibs-infra.bt.com> <43282C72.36FC@yahoo.com> <dg9dve$5em$1@nwrdmz03.dmz.ncs.ea.ibs-infra.bt.com>
Subject: Re: CBO influences
Date: Wed, 14 Sep 2005 21:03:40 -0400
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"Jonathan Lewis" <jonathan@jlcomp.demon.co.uk> wrote in message 
news:dg9dve$5em$1@nwrdmz03.dmz.ncs.ea.ibs-infra.bt.com...
> "Connor McDonald" <connor_mcdonald@yahoo.com> wrote in message
[...]>
> Don't share a SAN if you want to run a high
> performance OLTP system - they're not very
> good for small, highly randomised I/Os.
>

One can hardly not share a SAN nowadays,  OLTP or otherwise, in an 
enterprise environment that has nothing but a SAN.  One can try not to share 
a physical disk(s)  in a SAN if one has access to a friendly SAN 
administrator, though ;)


>
>
>
> -- 
> Regards
>
> Jonathan Lewis
>
> http://www.jlcomp.demon.co.uk/cbo_book/ind_book.html
> Cost Based Oracle - Volume 1: Fundamentals
> On-shelf date: Nov 2005
>
> http://www.jlcomp.demon.co.uk/faq/ind_faq.html
> The Co-operative Oracle Users' FAQ
>
> http://www.jlcomp.demon.co.uk/appearances.html
> Public Appearances - schedule updated 4th Sept 2005
>
>
>
>