From owner-freebsd-arm@freebsd.org Fri Feb 22 15:59:21 2019 Return-Path: Delivered-To: freebsd-arm@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 EC3D814F13DA for ; Fri, 22 Feb 2019 15:59:20 +0000 (UTC) (envelope-from ian@freebsd.org) Received: from outbound3d.ore.mailhop.org (outbound3d.ore.mailhop.org [54.186.57.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 281BF72C36 for ; Fri, 22 Feb 2019 15:59:20 +0000 (UTC) (envelope-from ian@freebsd.org) ARC-Seal: i=1; a=rsa-sha256; t=1550851118; cv=none; d=outbound.mailhop.org; s=arc-outbound20181012; b=fjUCq2Vg7AnohxhMd1H8a0oiHi/IR8Lu1mSS5uyjqi0go8xxQnWSk5famCwZRvL3ZyRupltchRJWD g+03WccwfCuRw9SrGoMBMvfnxKWF3RG6EEzUkVXz6C85hoFueJ5L5VXd6wmFpjtRDBMajRMqgXW9SK B1hFPbSYIpHJ7KsKyO9psF/xXt73AjvOKGm1BvwXUCAo0kG27q5Mld2EcSTmXONsAx0VZx22tPlGbV QetHJm+mZyM487Ui9CKG5WpmiV7YpdEqH3Yb/cPVwHTfDks7XHqZRsupax+CruJ5nuJJdkoHxf9g1m jPwMzpwyAOJk9RVkTpdsxwwJNpwA1Gg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=outbound.mailhop.org; s=arc-outbound20181012; h=content-transfer-encoding:mime-version:content-type:references:in-reply-to: date:to:from:subject:message-id:dkim-signature:from; bh=aogUC1qgXzAl1jxGd4KfOzrUmU4L0quoPs+NUkDQoCQ=; b=ByHSN//aCwQXboTJfnXEfSAOX3usVJN7+BOgaiArrtbDZAdfhj28LSUo6rowemvYL0nId6Td+1WRp 1J8hrcUQ+43plQTHLzL1qv5ySR2aHgzNEnwCOXw/K6xUimuPwBjMdbHUvs/aC2UM8h45xN64KL5PEf 1M//2+u/vYkQhsF8hDzXv4HRbj07IdjDQ1LnSVfcSfMSSBprq135b6wkNLBAf+fqXvvpEC3PTaXevk VS3x6tTG/6+7uCVZ7cwkHh/xuALtbu8b6vPSUErJe4OLBDzxtMa7Bh1HAFE5gLZUIiZ1xaRJBHJGnt s+HXRy8bDhGZks/AJSvCHurZP7X6Okg== ARC-Authentication-Results: i=1; outbound3.ore.mailhop.org; spf=softfail smtp.mailfrom=freebsd.org smtp.remote-ip=67.177.211.60; dmarc=none header.from=freebsd.org; arc=none header.oldest-pass=0; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=outbound.mailhop.org; s=dkim-high; h=content-transfer-encoding:mime-version:content-type:references:in-reply-to: date:to:from:subject:message-id:from; bh=aogUC1qgXzAl1jxGd4KfOzrUmU4L0quoPs+NUkDQoCQ=; b=DoE/B1ZjqhMVMqTMKQDGloH3590fh0ampR9UgIxHO8VjMhvahfP6kqiOK6KNBp5XwCB2Zem/pWMok XB9RquirWRwSnSdOCMDGljGNx1jgAOVXW1tOncrLR8TB42EqcfDmzskODg9CKoU1sK+iOdjW5Ji6dd w6FupMceR+1JEvyYPs06YE37SQXHPMynwIIQjIZ3KiqzUHtUA/eIPFWFJfHR04oypsu4jmK0Sehfyo EqJQ8e/diDnO5mav7hoFwc6QrQ7T7OIaYRDfShLl6zqDezi8pfB6xzvD+3OQVA9+ncmvWPaGiZ6mUi GGFrcqCtLwt0TRQ3RwTqcIYTfn0UNNw== X-MHO-RoutePath: aGlwcGll X-MHO-User: b645c0a2-36ba-11e9-9789-75353a1f43cf X-Report-Abuse-To: https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information X-Originating-IP: 67.177.211.60 X-Mail-Handler: DuoCircle Outbound SMTP Received: from ilsoft.org (unknown [67.177.211.60]) by outbound3.ore.mailhop.org (Halon) with ESMTPSA id b645c0a2-36ba-11e9-9789-75353a1f43cf; Fri, 22 Feb 2019 15:58:37 +0000 (UTC) Received: from rev (rev [172.22.42.240]) by ilsoft.org (8.15.2/8.15.2) with ESMTP id x1MFxBq8090625; Fri, 22 Feb 2019 08:59:11 -0700 (MST) (envelope-from ian@freebsd.org) Message-ID: Subject: Re: RBPI3B+ FreeBSD 12 ZFS From: Ian Lepore To: Stefan Parvu , freebsd-arm@freebsd.org Date: Fri, 22 Feb 2019 08:59:10 -0700 In-Reply-To: <5D976A97-9800-4A9F-A155-F3BD998AFB4C@kronometrix.org> References: <5D976A97-9800-4A9F-A155-F3BD998AFB4C@kronometrix.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5 FreeBSD GNOME Team Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 281BF72C36 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.99 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.99)[-0.990,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; ASN(0.00)[asn:16509, ipnet:54.186.0.0/15, country:US] X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Feb 2019 15:59:21 -0000 On Fri, 2019-02-22 at 17:38 +0200, Stefan Parvu wrote: > I know ZFS would need a decent amount of RAM to start with. So for > such low sized > SBC systems, like Raspberry PI having ZFS for root might be no go. > > What I meant was: how complicated would be right now for FreeBSD 12 > to have an > ARM64 RBPI3B+ image image which could use ZFS to boot from a SD Card. > > Stefan Parvu > sparvu@kronometrix.org > > People have run a 512MB beaglebone with zfs on sdcard. It surely wasn't high performance, and it reported needed some hand-tuning to run at all, but it worked. There's a lot of mythology about sdcards and what they can and can't do, and how supposedly fragile they are. It's all a bunch of noise you can safely ignore. They're slow, but they're plenty reliable. -- Ian > > > On 22 Feb 2019, at 17.23, Karl Denninger > > wrote: > > > > On 2/22/2019 09:07, Stefan Parvu wrote: > > > Hi, > > > > > > Just curious, would ZFS work on a RBPI3B+ board with 1 GB RAM > > > only > > > using FreeBSD 12 STABLE ? the hardware is 64bit but would it boot > > > on > > > 1 GB RAM for its own ARC internal operations ? > > > > > > Thanks, > > > > > > Stefan Parvu > > > sparvu@kronometrix.org > > > > Are you talking about attempting to mount root off a ZFS filesystem > > on > > the SD card or booting it as usual and then loading zfs once > > running > > (e.g. to talk to a USB-attached disk)? > > > > I think you'll find that while it might run it's a very bad idea > > for a > > whole host of reasons; what purpose do you have in doing this? > > > > -- > > Karl Denninger > > karl@denninger.net > > /The Market Ticker/ > > /[S/MIME encrypted email preferred]/ > > _______________________________________________ > freebsd-arm@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org > "