Path: dp-news.maxwell.syr.edu!spool.maxwell.syr.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.media.kyoto-u.ac.jp!newsfeed.gamma.ru!Gamma.RU!postnews.google.com!news4.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!nx01.iad01.newshosting.com!newshosting.com!post01.iad01!not-for-mail Date: Tue, 08 Aug 2006 09:22:37 -0700 From: DA Morgan Organization: Puget Sound Oracle Users Group User-Agent: Thunderbird 1.5.0.5 (Windows/20060719) MIME-Version: 1.0 Newsgroups: comp.databases.oracle.server Subject: Re: Oracle RAC newbie References: <1154890261.146977.114080@n13g2000cwa.googlegroups.com> <1154999517.164864.259300@i3g2000cwc.googlegroups.com> <44d88ad5$1@news.broadpark.no> In-Reply-To: <44d88ad5$1@news.broadpark.no> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Message-ID: <1155054158.168083@bubbleator.drizzle.com> Cache-Post-Path: bubbleator.drizzle.com!unknown@oracle.advtechserv.com X-Cache: nntpcache 3.0.1 (see http://www.nntpcache.org/) Lines: 27 X-Complaints-To: abuse@csolutions.net Xref: dp-news.maxwell.syr.edu comp.databases.oracle.server:272374 Erik Dahle wrote: > Chuck Whealton wrote: >> Soalvajav, in addition to what Dan said, by nature of single >> database/multiple instances, this implies shared storage. You'll also >> need a high speed interconnect and remember - Oracle does NOT support >> crossover cables for this, even though you can probably make them work. >> Don't use them (crossovers) for production. You'll want the >> interconnect to be operating at a minimum of 1Gb/Sec. > > Can anyone actually give a good reason for why one shouldn't use a > crossover cable for the interconnect in a 2-node setup? > Except the support issue of course. > > Erik You max at two nodes and with RAC anything less than three nodes is considered a special case. 4 Port gig switches are very inexpensive and definitely worth the price of admission if you are considering RAC. -- Daniel A. Morgan University of Washington damorgan@x.washington.edu (replace x with u to respond) Puget Sound Oracle Users Group www.psoug.org