From owner-freebsd-chat Thu Jun 3 20:46:45 1999 Delivered-To: freebsd-chat@freebsd.org Received: from ns1.yes.no (ns1.yes.no [195.204.136.10]) by hub.freebsd.org (Postfix) with ESMTP id CFF0D14EB3 for ; Thu, 3 Jun 1999 20:46:35 -0700 (PDT) (envelope-from eivind@bitbox.follo.net) Received: from bitbox.follo.net (bitbox.follo.net [195.204.143.218]) by ns1.yes.no (8.9.1a/8.9.1) with ESMTP id FAA21950; Fri, 4 Jun 1999 05:46:35 +0200 (CEST) Received: (from eivind@localhost) by bitbox.follo.net (8.8.8/8.8.6) id FAA80904; Fri, 4 Jun 1999 05:46:34 +0200 (MET DST) Date: Fri, 4 Jun 1999 05:46:34 +0200 From: Eivind Eklund To: The Hermit Hacker Cc: chat@freebsd.org Subject: Re: Sun Spurs Innovation in Supercomputing Message-ID: <19990604054634.K77195@bitbox.follo.net> References: <19990603161902.A76949@bitbox.follo.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.1i In-Reply-To: ; from The Hermit Hacker on Thu, Jun 03, 1999 at 10:36:39PM -0300 Sender: owner-freebsd-chat@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Thu, Jun 03, 1999 at 10:36:39PM -0300, The Hermit Hacker wrote: > On Thu, 3 Jun 1999, Eivind Eklund wrote: > > The single thing I think would be most useful in bringing FreeBSD up > > as a high availability cluster platform would be to repeat Simon's > > (proprietary, due to choices that were not his to make) work on > > integrating a distributed lock manager in PostgreSQL. I have the lock > > manager code (which I hope to integrate in FreeBSD when I get time to > > bug bde about what the problems he was handwaving about actually are), > > but not the PostgreSQL mods. > > I'm curious here...what mods to PostgreSQL? Replacing the lock calls with calls to an API for a distributed lock manager. This allowed the use of PostgreSQL in high-availability clusters, with two machines sharing the same physical "disk" (actually, RAID array). The capability to do this is extremely useful if you are going to build clusters - I know several places where using that configuration would allow me to easily do failover for systems I run, at least, and I do not think I'm atypical. Eivind. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message