From oracle-l-bounce@freelists.org Mon Aug 22 13:36:34 2005 Return-Path: Received: from air891.startdedicated.com (root@localhost) by orafaq.com (8.12.10/8.12.10) with ESMTP id j7MIaXQi001256 for ; Mon, 22 Aug 2005 13:36:34 -0500 X-ClientAddr: 206.53.239.180 Received: from turing.freelists.org (freelists-180.iquest.net [206.53.239.180]) by air891.startdedicated.com (8.12.10/8.12.10) with ESMTP id j7MIaTIP001242 for ; Mon, 22 Aug 2005 13:36:29 -0500 Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 161EA1E59AF; Mon, 22 Aug 2005 13:36:26 -0500 (EST) Received: from turing.freelists.org ([127.0.0.1]) by localhost (turing [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 13809-09; Mon, 22 Aug 2005 13:36:26 -0500 (EST) Received: from turing (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 948E11E59E4; Mon, 22 Aug 2005 13:36:25 -0500 (EST) From: "Henry Poras" To: Subject: EMC stuff Date: Mon, 22 Aug 2005 14:36:11 -0400 Message-ID: <002d01c5a748$600f0c50$3800040a@itasoftware.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_002E_01C5A726.D8FD6C50" X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-PMX-Version: 4.6.1.107272 X-archive-position: 24306 X-ecartis-version: Ecartis v1.0.0 Sender: oracle-l-bounce@freelists.org Errors-To: oracle-l-bounce@freelists.org X-original-sender: henry@itasoftware.com Precedence: normal Reply-To: henry@itasoftware.com X-list: oracle-l X-Virus-Scanned: by amavisd-new-20030616-p9 (Debian) at avenirtech.net X-mailscan-MailScanner-Information: Please contact the ISP for more information X-mailscan-MailScanner: Found to be clean X-MailScanner-From: oracle-l-bounce@freelists.org X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on air891.startdedicated.com X-Spam-Status: No, hits=-3.9 required=5.0 tests=AWL,BAYES_00,HTML_MESSAGE autolearn=ham version=2.63 ------=_NextPart_000_002E_01C5A726.D8FD6C50 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable We are beginning to do a RAC install with a Clariion SAN for storage. = One thing I was told doesn't sound right to me, but since I don't pretend to = be an EMC expert (and don't play one on TV. Heck, I barely get passed the = 60's reruns on TV and EMC wasn't even around then) I am having trouble = confirming or denying. Supposedly a LUN can only advertise itself to a single = entity (i.e. node, cluster). This makes the RAC install kind of difficult. I = always thought of a SAN as shared storage. What is shared storage if a LUN = can't be accessed by multiple nodes? Anyone have any idea what the source of the confusion is?=20 Thanks. Henry ------=_NextPart_000_002E_01C5A726.D8FD6C50 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable EMC stuff

We are beginning to do a RAC install = with a Clariion SAN for storage. One thing I was told doesn't sound = right to me, but since I don't pretend to be an EMC expert (and don't = play one on TV. Heck, I barely get passed the 60's reruns on TV and EMC = wasn't even around then) I am having trouble confirming or denying. = Supposedly a LUN can only advertise itself to a single entity (i.e. = node, cluster). This makes the RAC install kind of difficult. I always = thought of a SAN as shared storage. What is shared storage if a LUN = can't be accessed by multiple nodes? Anyone have any idea what the = source of the confusion is?

Thanks.

Henry

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