From owner-freebsd-questions@FreeBSD.ORG Sat Jun 12 23:50:42 2010 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 203C9106566B for ; Sat, 12 Jun 2010 23:50:42 +0000 (UTC) (envelope-from xyin@gmx.com) Received: from mailout-us.gmx.com (mailout-us.gmx.com [74.208.5.67]) by mx1.freebsd.org (Postfix) with SMTP id BA2348FC17 for ; Sat, 12 Jun 2010 23:50:41 +0000 (UTC) Received: (qmail 10257 invoked by uid 0); 12 Jun 2010 23:50:40 -0000 Received: from 173.67.16.70 by www-us014.v300.gmx.net with HTTP Date: Sat, 12 Jun 2010 19:46:26 -0400 From: "Xihong Yin" Message-ID: <20100612235037.158980@gmx.com> MIME-Version: 1.0 To: freebsd-questions@freebsd.org X-Authenticated: #50283380 X-Flags: 0001 X-Mailer: GMX.com Web Mailer x-registered: 0 X-GMX-UID: Amh1KHNfzVK0IRUsijMzoY4/Njh6dI6I X-FuHaFi: 0.73999999999999999,0.73999999999999999 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: detached a mounted ufs filesystem 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: Sat, 12 Jun 2010 23:50:42 -0000 I accidentally detached my usb external hard drive without umount it. The hard driver filesysystem is ufs. Now I can't mount it because I can't see the slices. What I get is only da0 and da0a in the /dev directory. Is there a way to fix the filesystem? Thanks, Xihong