Received: from maia.hub.org (unknown [200.46.204.183]) by mail.postgresql.org (Postfix) with ESMTP id 2B62A63504F for ; Mon, 8 Feb 2010 21:18:52 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 16243-02-3 for ; Tue, 9 Feb 2010 01:18:40 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by mail.postgresql.org (Postfix) with ESMTP id BF9B66342FA for ; Mon, 8 Feb 2010 21:13:52 -0400 (AST) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id o191Dncv004208; Mon, 8 Feb 2010 20:13:49 -0500 (EST) To: Kevin Kempter cc: pgsql-admin@postgresql.org Subject: Re: "effective_io_concurrency" cannot be changed error when starting 8.4.2 instance In-reply-to: <201002081800.26118.kevink@consistentstate.com> References: <201002081800.26118.kevink@consistentstate.com> Comments: In-reply-to Kevin Kempter message dated "Mon, 08 Feb 2010 18:00:26 -0700" Date: Mon, 08 Feb 2010 20:13:48 -0500 Message-ID: <4207.1265678028@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-2.599 tagged_above=-10 required=5 tests=BAYES_00=-2.599 X-Spam-Level: X-Archive-Number: 201002/63 X-Sequence-Number: 33666 Kevin Kempter writes: > I get the below error when trying to start an 8.4.2 instance > Anyone know what might be causing this? > FATAL: parameter "effective_io_concurrency" cannot be changed You're probably trying to set that on a platform that hasn't got the necessary system calls to support it. regards, tom lane