From owner-freebsd-questions@FreeBSD.ORG Tue Nov 17 20:49:30 2009 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 3B3B6106566C for ; Tue, 17 Nov 2009 20:49:30 +0000 (UTC) (envelope-from modulok@gmail.com) Received: from mail-px0-f182.google.com (mail-px0-f182.google.com [209.85.216.182]) by mx1.freebsd.org (Postfix) with ESMTP id 1725C8FC20 for ; Tue, 17 Nov 2009 20:49:29 +0000 (UTC) Received: by pxi12 with SMTP id 12so260638pxi.3 for ; Tue, 17 Nov 2009 12:49:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type; bh=QnV1r0ZFu9CAcEehTlVPE2CZxZJrvR7tBO0s9vwvmMw=; b=LqOJcL3w3p7irvd9uFk8okRJSX2hNvSdWCYB0++H2g8lJiL5gXVo+99VHKyz6zqqOs jA0XhByarHoukFQZ6HQ4v2oUfosl9oDV7RKkpa6Ixxr2qVqCBOSaEZIhvUYuBE/UbvNT JSzi+hismYy8FzSg8KIwn8uPL9dTw4uO8s/Ew= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=RS8kDAtTgcsqw/gqkTen7HlG/gRO0NKkKBYBYfsvCX8y6+2BslmmNnToLiLrgfE5s0 kaIVQgq84LqwdAnKEX54ZZGdIlUu1DDFsQZ43uv2jJK6oqBwoHTf2qkyBY/kN8kTGjAn dPRm8ppoDEHbb4q9pgQ7OHm8W0MS/gJFlLCaI= MIME-Version: 1.0 Received: by 10.143.25.19 with SMTP id c19mr1065917wfj.87.1258490969546; Tue, 17 Nov 2009 12:49:29 -0800 (PST) Date: Tue, 17 Nov 2009 13:49:29 -0700 Message-ID: <64c038660911171249r141cc810n62a721e48225954c@mail.gmail.com> From: Modulok To: freebsd-questions@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Subject: Wester Digital 'deep recovery cycle' and gstripe? 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, 17 Nov 2009 20:49:30 -0000 List, Has anyone used 'Wester Digital Caviar Black' disks in a gstripe? I'm building a 2TB gstripe, from 3x 1TB disks. My concern, is the disks are 'consumer grade' disks. Western Digital mention not to use them with a raid controller as they have a potential, 'deep recovery cycle', which an last up to 2 minutes. This would theoretically result in them being dropped from the array. Despite this, I've heard successful uses of these disks via gmirror. (Granted, not the same as gstripe). Again, in theory, if one disk enters a 'deep recovery cycle' and is dropped from the array, and during that time another disks does the same the array is toast, right? Umm...what are the odds of this occurring? War stories? (The more I type this out, the more it's starting to sound like a bad idea.) Thoughts, ideas? -Modulok-