From owner-freebsd-arm@FreeBSD.ORG Fri Mar 13 06:32:00 2015 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id EA84CCBD for ; Fri, 13 Mar 2015 06:32:00 +0000 (UTC) Received: from st11p02mm-asmtp001.mac.com (st11p02mm-asmtpout001.mac.com [17.172.220.236]) (using TLSv1.2 with cipher DHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id BD25F1A1 for ; Fri, 13 Mar 2015 06:31:59 +0000 (UTC) Received: from [192.168.11.180] (unknown [180.42.49.96]) by st11p02mm-asmtp001.mac.com (Oracle Communications Messaging Server 7.0.5.35.0 64bit (built Dec 4 2014)) with ESMTPSA id <0NL5004S90T20110@st11p02mm-asmtp001.mac.com> for freebsd-arm@freebsd.org; Fri, 13 Mar 2015 06:31:53 +0000 (GMT) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.13.68,1.0.33,0.0.0000 definitions=2015-03-13_03:2015-03-12,2015-03-13,1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1412110000 definitions=main-1503130069 Content-type: text/plain; charset=us-ascii MIME-version: 1.0 (Mac OS X Mail 8.2 \(2070.6\)) Subject: Re: zfs on BeagleBone From: Rui Paulo In-reply-to: <20150313021110.71a896c6@ivory.wynn.com> Date: Fri, 13 Mar 2015 15:31:42 +0900 Content-transfer-encoding: quoted-printable Message-id: References: <20150311130932.3493a938@ivory.wynn.com> <20150313001408.24fc1469@ivory.wynn.com> <15F9FA58-9412-4F45-BCB0-0C7F79FBF1F9@me.com> <20150313021110.71a896c6@ivory.wynn.com> To: Brett Wynkoop X-Mailer: Apple Mail (2.2070.6) Cc: freebsd-arm@freebsd.org X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Mar 2015 06:32:01 -0000 On 13 Mar 2015, at 15:11, Brett Wynkoop wrote: >=20 > On Fri, 13 Mar 2015 14:19:23 +0900 > Rui Paulo wrote: >=20 >=20 >> While it's very encouraging that ZFS is performing well on the >> BeagleBone, it's, at the same time, worrisome that UFS performs so >> poorly. UFS is supposed to deal very well with small embedded >> systems/filesystems and ZFS is supposed to deal very well with big >> systems/filesystems. I haven't really had any problems with UFS on >> my BeagleBone. >=20 > I have no problem with UFS on the sd card, but UFS on ANY USB FLASH = has > been a failure on the BeagleBone. Are you doing UFS on USB FLASH? Hmm, no, I haven't tried that. I honestly have no idea why it would = work better with ZFS. -- Rui Paulo