From owner-freebsd-stable@freebsd.org Tue Sep 18 08:25:15 2018 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 989931097465 for ; Tue, 18 Sep 2018 08:25:15 +0000 (UTC) (envelope-from killing@multiplay.co.uk) Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 1C53884741 for ; Tue, 18 Sep 2018 08:25:14 +0000 (UTC) (envelope-from killing@multiplay.co.uk) Received: by mail-ed1-x535.google.com with SMTP id h33-v6so1166649edb.5 for ; Tue, 18 Sep 2018 01:25:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=multiplay-co-uk.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language; bh=D2zrGjATQu8WGpOWIu4ATUK8EtR4bHj0IKsuUZNJXkk=; b=MsZwExvf3acsS75Mtuo7AyMBC6U0bMRPZxABFYelti61i1jf5B5deJLRVAHdGpEc1+ fGwN9lsCvP6Q7zTIThPnOtoxgA6KHY1fa/u+XwwVSknmicWNgaX9TYxsqDL+o92e1kP/ OBIwQ9WpYPDKgozpXgqF5ed5Zm4AbI077aNIFkboiEj4jvdJOUfRb4b4arKZpVRNfPh0 +3xIgOuJJ7ieD76vf2cylFvPp7zKLQ4rarP75beJSrp86WAPNPhjW5HAT4AcQG4g75Xw nqCptj9HkGuv6BNlQaSGlnOSr6fA4HCGznDCN5ZuJHKb+UcPTBcsb1Rsxob/oUhvUtpH j5Ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language; bh=D2zrGjATQu8WGpOWIu4ATUK8EtR4bHj0IKsuUZNJXkk=; b=ap7AQlCj3dvI3PTKAIC/+kO5DwSFtGyiQHA6qxkww7tmXVpGP82tnkkq/vreU21E8J K7BlN8fnUVJrt3zcRErTs0S/DVWNtYXDsOPb+KKOWXRG91gqr09EF8hL++wmkm3SEXWE rRpEpYuo+0jDQs9QanHfyJwRuycAVFcZS2mvCUZpcMZ2u4DLYPcrUEbfaV8w3JRwpJuA U7QnypgjpSbzNrO3mMaYIe35fu+QUEUrFD4SVjcGGFAgZ+SI7gZNO9AESZJJ6K11GhD9 weJyBsQpUI6ebOdCn/JIclF6CtCcslRZUaI6cOeu8gFf9Eyfe9WqkayEtTAe3heC3C9H kCXw== X-Gm-Message-State: APzg51BfGaFpX5Sv85A4DK0yTXoOkcfKHDFRAJvm02MhFmYScWnxsv78 KcQIBR90w3DkLyGz4vNXtjO1Q5jX4o0= X-Google-Smtp-Source: ANB0VdZjdCIjqQb5aHMwp7Ny6EG7S5tQVEQJDlIxva+ju7heMV13rHhupH08sqDQVxdvD8RqTKrZsQ== X-Received: by 2002:a50:b824:: with SMTP id j33-v6mr48405068ede.272.1537259113339; Tue, 18 Sep 2018 01:25:13 -0700 (PDT) Received: from [10.44.128.75] ([161.12.40.153]) by smtp.gmail.com with ESMTPSA id a41-v6sm15608650edc.57.2018.09.18.01.25.12 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 18 Sep 2018 01:25:12 -0700 (PDT) Subject: Re: ZFS and Megaraid SAS MFI controllers To: freebsd-stable@freebsd.org References: <20180918075946.GA89682@doctor.nl2k.ab.ca> From: Steven Hartland Message-ID: <19cdc6a6-1c01-146b-111c-a0387a94157d@multiplay.co.uk> Date: Tue, 18 Sep 2018 09:25:12 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20180918075946.GA89682@doctor.nl2k.ab.ca> Content-Language: en-US Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.27 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Sep 2018 08:25:15 -0000 What triggered the issue, was it a reboot and how many disks? On 18/09/2018 08:59, The Doctor via freebsd-stable wrote: > This about abot the 3rd time within 3 weeks that I have hadto > rebuild a server (Backup are great but long restores). > > What isthe 'formula' for the following: > > zfs i/o on your screen: > > You boot with a Live CD / USB . > > You import and yet you do not see boot or etc directories on the > boot device? > > 3 times is costing me time and money. >