From owner-freebsd-fs@FreeBSD.ORG  Thu Nov  6 20:40:30 2014
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
Delivered-To: freebsd-fs@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id F2E7218C
 for <freebsd-fs@freebsd.org>; Thu,  6 Nov 2014 20:40:30 +0000 (UTC)
Received: from mail-wg0-f46.google.com (mail-wg0-f46.google.com [74.125.82.46])
 (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits))
 (Client CN "smtp.gmail.com",
 Issuer "Google Internet Authority G2" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id 8680E679
 for <freebsd-fs@freebsd.org>; Thu,  6 Nov 2014 20:40:29 +0000 (UTC)
Received: by mail-wg0-f46.google.com with SMTP id x13so2176751wgg.33
 for <freebsd-fs@freebsd.org>; Thu, 06 Nov 2014 12:40:28 -0800 (PST)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20130820;
 h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to
 :cc:subject:references:in-reply-to:content-type
 :content-transfer-encoding;
 bh=WU4wqs8WdUvXdl3XKheeVpiuhCyAJ/k27URRCC9MSUs=;
 b=MFDw9OKDL2SAIbuCHQTqDMUpIBsVjU9kswyS1e2hdNbT/IG9Am9a/fBPJ69FY6o3SH
 VhVnPTSTgSS8QZhwCS9+dRzfmaLO7674JmKDT/R1ywO0vtGrHVNWe7y9lMWV5FCJ2tub
 omugN/ZQR6GMqtnMwh7HW9A3OStkLsrNXFx+6T7EvJq6LQWlmZzGzngvFsxQgTjxT4bj
 CtlJ+Ohmy6JnZeHzjc0I7lFKvUKELyr0t7UUeT7/xeoVpHu6lrmQ/CwfJAHE8OrX2ttL
 M51OeBIzwxfo+fS8e6wQRgP3EGxW00CA8+9OCZZO4yKxOTCobA0cZdvno9OqaxEkq6lc
 mbUA==
X-Gm-Message-State: ALoCoQn5cSVUJs+dJH/Govz1Xw6uz4zsE+/FRJ66zyDbf6ktgrLhsjEfXbELh3OCzb1BI2+qPeOW
X-Received: by 10.194.89.161 with SMTP id bp1mr9685650wjb.114.1415306428078;
 Thu, 06 Nov 2014 12:40:28 -0800 (PST)
Received: from [10.10.1.68] (82-69-141-170.dsl.in-addr.zen.co.uk.
 [82.69.141.170])
 by mx.google.com with ESMTPSA id bj7sm9160872wjc.33.2014.11.06.12.40.26
 for <multiple recipients>
 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
 Thu, 06 Nov 2014 12:40:27 -0800 (PST)
Message-ID: <545BDC69.9030903@multiplay.co.uk>
Date: Thu, 06 Nov 2014 20:39:05 +0000
From: Steven Hartland <killing@multiplay.co.uk>
User-Agent: Mozilla/5.0 (Windows NT 5.1;
 rv:31.0) Gecko/20100101 Thunderbird/31.2.0
MIME-Version: 1.0
To: Borja Marcos <borjam@sarenet.es>
Subject: Re: ZFS bug: was creating ZIL ignores vfs.zfs.min_auto_ashift, should
 be ZIL sets improper ashift with AHCI controllers
References: <B731A922-3F83-4D8E-A4EA-22C5CA8A3850@sarenet.es>
 <9C91F97841BC4347910F206618BAA3BB9AF327D1@PAIMAIL.pai.local>
 <545B76EF.6050709@multiplay.co.uk>
 <21D2A3A9-B6C1-458F-B17F-480251E999AE@sarenet.es>
In-Reply-To: <21D2A3A9-B6C1-458F-B17F-480251E999AE@sarenet.es>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
Cc: freebsd-fs@freebsd.org
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.18-1
Precedence: list
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-fs>,
 <mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs/>
List-Post: <mailto:freebsd-fs@freebsd.org>
List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
 <mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 06 Nov 2014 20:40:31 -0000

What does the following report for you when zdb on its own reports an 
incorrect ashift of 9?

zdb -l /dev/<your log device> | grep ashift

Here that reports the correct ashift, so I'm thinking that zdb on its 
own might be incorrectly reporting the ashift for some reason.

     Regards
     Steve