From owner-freebsd-current@freebsd.org Sat Jul 8 16:38:54 2017 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C852AD9D8CF for ; Sat, 8 Jul 2017 16:38:54 +0000 (UTC) (envelope-from imb@protected-networks.net) Received: from mail.protected-networks.net (mail.protected-networks.net [202.12.127.228]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mail.protected-networks.net", Issuer "Protected Networks CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 8B64E802 for ; Sat, 8 Jul 2017 16:38:54 +0000 (UTC) (envelope-from imb@protected-networks.net) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d= protected-networks.net; h=content-transfer-encoding :content-language:content-type:content-type:in-reply-to :mime-version:user-agent:date:date:message-id:from:from :references:subject:subject; s=201508; t=1499531930; bh=4ViuhPrW kK41HwVl99IH/5pmJz+4JHEPm3q/Ci1niVA=; b=gVkw2DA6tkyxYN9+6HZ45ZkN ZSBDB+u1NjQog2cX5pIOL8YbGX7o/9xmd798aftl88Bc368xyuBREiS2e7+ws6yf dMtcdC10czoRghQ1pnk11iXNP7T4f3amM3PlkTHF2+1Gi1aPxY0hn46zc4iYqs4A oxsCRZlk52FyFibPeTU= Received: from toshi.auburn.protected-networks.net (toshi.auburn.protected-networks.net [192.168.1.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) (Authenticated sender: imb@mail.protected-networks.net) by mail.protected-networks.net (Postfix) with ESMTPSA id C54EB11710; Sat, 8 Jul 2017 12:38:50 -0400 (EDT) Subject: Re: dump trying to access incorrect block numbers? To: "Rodney W. Grimes" Cc: Peter Jeremy , freebsd-current References: <201707081628.v68GSd0i068202@pdx.rh.CN85.dnsmgr.net> From: Michael Butler Message-ID: Date: Sat, 8 Jul 2017 12:38:50 -0400 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <201707081628.v68GSd0i068202@pdx.rh.CN85.dnsmgr.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 08 Jul 2017 16:38:54 -0000 On 07/08/17 12:28, Rodney W. Grimes wrote: > Since it has been speculated that this is occuring during the > creation of the snapshot, could you try just creating a snapshot > using mksnap_ffs and see if any errors occur? After a short pause with disk activity, the same sorts of errors are logged when using "mksnap_ffs /.snap2" where .snap2 did not previously exist, Michael