From owner-freebsd-questions@FreeBSD.ORG Thu May 23 09:21:42 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id D6944132 for ; Thu, 23 May 2013 09:21:42 +0000 (UTC) (envelope-from saeedeh.motlagh@gmail.com) Received: from mail-la0-x236.google.com (mail-la0-x236.google.com [IPv6:2a00:1450:4010:c03::236]) by mx1.freebsd.org (Postfix) with ESMTP id 635FCF81 for ; Thu, 23 May 2013 09:21:42 +0000 (UTC) Received: by mail-la0-f54.google.com with SMTP id eg20so2932825lab.41 for ; Thu, 23 May 2013 02:21:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type; bh=mOpctsX7PvVvXzuDikUtUJnY32e6adqglMS+dO2dWpQ=; b=PZj4Tgh/ktk37uWYocDaamOGskZGYkrxxjRzfYWs3LlwEasdV2i9efRMQDLfuJxWW6 LvgFtLTfBeJ5/oQQy5Bv9scc9c2DTKqHf9MBL6R4Rve77lYiG/9v/GzCS+LskUebnJvc z4YZw90+WHULMIFDuYt78UkqlR289kAq/M6vtF4bWjO9cD+a4LVpLd5MRAdZQz+o0c4/ j/XN6xaKpOHI6sqDHxIfEMYTGqdtD6LatPYpSO4hu2BeKUG7H+WjroqByxMUqTqoHoG/ clggBKiuybGPfkqf5cs9BqpXHqKYKEZNjhYW/m/eRUD+HGmkl9hspUChee0lh/gjvftE YxAQ== X-Received: by 10.112.136.132 with SMTP id qa4mr6128908lbb.34.1369300901340; Thu, 23 May 2013 02:21:41 -0700 (PDT) MIME-Version: 1.0 Received: by 10.112.13.226 with HTTP; Thu, 23 May 2013 02:21:01 -0700 (PDT) From: saeedeh motlagh Date: Thu, 23 May 2013 13:51:01 +0430 Message-ID: Subject: file corruption solution (soft-update or ZFS) To: freebsd-questions Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 May 2013 09:21:42 -0000 hello every body i have a question about fixing file corruption in freebsd. now i have freebsd8.2 and some times file corruption happened on it. this issue has a heavy cost for me and i want to avoid it or fixit it completely. so my question is: is it better to upgrade my freebsd to 9.1 and use soft update or migrate from UFS to ZFS? i heard so much about soft update -that is added in freebsd9.1- which can fix file corruption in acceptable way with low cost but i don't know how much is reliable and efficient. in the other hand, i think migration from UFS to ZFS can be another solution. as i read ZFS is is created to solve all the problems related integrity file system. is it reliable enough in comparison soft-update? now, i want to know which solution is better and why? thanks in advance s.motlagh