From owner-freebsd-questions@FreeBSD.ORG Tue Apr 1 09:14:14 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 61ABD106564A for ; Tue, 1 Apr 2008 09:14:14 +0000 (UTC) (envelope-from gdoe6545@yahoo.it) Received: from n36.bullet.mail.ukl.yahoo.com (n36.bullet.mail.ukl.yahoo.com [87.248.110.169]) by mx1.freebsd.org (Postfix) with SMTP id CC40A8FC2E for ; Tue, 1 Apr 2008 09:14:13 +0000 (UTC) (envelope-from gdoe6545@yahoo.it) Received: from [217.146.182.177] by n36.bullet.mail.ukl.yahoo.com with NNFMP; 01 Apr 2008 09:00:51 -0000 Received: from [87.248.110.115] by t3.bullet.ukl.yahoo.com with NNFMP; 01 Apr 2008 09:00:51 -0000 Received: from [127.0.0.1] by omp220.mail.ukl.yahoo.com with NNFMP; 01 Apr 2008 09:00:51 -0000 X-Yahoo-Newman-Id: 541407.72451.bm@omp220.mail.ukl.yahoo.com Received: (qmail 37678 invoked from network); 1 Apr 2008 07:52:21 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.it; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:Message-Id:From:To:Content-Type:Content-Transfer-Encoding:Mime-Version:Subject:Date:X-Mailer; b=LhJQuEElsnEQjGPeiEyK+KCS96NLJbH7MCrzT+9Zgo4IYMHCDsQ9tgroMFqeVK/WXQObMA18r+LSmxW3PgFKiLbOopiVpZy7TS+O0y1AoDLryfmXCyWZ86rmMOZDhA82xtC7Im71w7Rfvr1/PJUrjqO5pJQ5PYmToq4LU7qyD6w= ; Received: from unknown (HELO stromberg.smersh.casa) (gdoe6545@217.133.13.140 with plain) by smtp107.mail.ukl.yahoo.com with SMTP; 1 Apr 2008 07:52:21 -0000 X-YMail-OSG: fklhr2EVM1nHDr_uPnpXErt8QNuDHZis32EzWoWyLAM.AxLo2uYU8lFdIA7pjNbhroCRD.USDQ-- X-Yahoo-Newman-Property: ymail-3 Message-Id: From: Gianni To: freebsd-questions@freebsd.org Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v919.2) Date: Tue, 1 Apr 2008 09:52:11 +0200 X-Mailer: Apple Mail (2.919.2) Subject: External USB drive - primary GPT table is corrupt or invalid X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Apr 2008 09:14:14 -0000 I've created a single slice and partition on an external USB drive using sysinstall which gives the following devices: /dev/da0 /dev/da0s1 /dev/da0s1c /dev/da0s1d I can mount da0s1d and read+write data just fine but I get the messages below when I initially attach the drive; can someone explain what "the primary GPT table is corrupt or invalid" means and if it's something I should be concerned about. umass0: on uhub4 da0 at umass-sim0 bus 0 target 0 lun 0 da0: Fixed Direct Access SCSI-2 device da0: 40.000MB/s transfers da0: 305245MB (625142448 512 byte sectors: 255H 63S/T 38913C) GEOM: da0: the primary GPT table is corrupt or invalid. GEOM: da0: using the secondary instead -- recovery strongly advised. GEOM_LABEL: Label for provider da0p1 is msdosfs/EFI. Thanks Gianni