From owner-freebsd-stable@freebsd.org Tue Feb 25 21:56:31 2020 Return-Path: Delivered-To: freebsd-stable@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 21B152419F7 for ; Tue, 25 Feb 2020 21:56:31 +0000 (UTC) (envelope-from mario.olofo@gmail.com) Received: from mail-qt1-x843.google.com (mail-qt1-x843.google.com [IPv6:2607:f8b0:4864:20::843]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 48Rt715FXxz3Nk0 for ; Tue, 25 Feb 2020 21:56:29 +0000 (UTC) (envelope-from mario.olofo@gmail.com) Received: by mail-qt1-x843.google.com with SMTP id d5so817119qto.0 for ; Tue, 25 Feb 2020 13:56:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=HxUc5gaIwIge835dZUX5IkvLBEJvC1l8WRYVqkft348=; b=STFvnVHlT/E1+efdcfKYqBlTwTjlAEsKFRhdxOPIDmV7NVqCD1tJzFEIm4Q3XWOiNl NOPREfJMUS4oRPC78UCS+Yf9OCab1c7mi6IEbKHmqeCFS9tjwhm6nQIVPOTvtF5AU45p MuwjsKFldOHjXCYc28Cd812bviEpeooJ0MrPwk3e8HIKsCzzbRYWLVi/uuYiYwER8IPW xzNIon1y5WfzGk4dx6a7KRo1tO4cgC4eL07LZuYb4fZH8CL3I6mOXhWsIXWhl+i8VN2C 6S+IBOh44aexkwmbddwO4b3JNzw3btiUJ3eAn4mYWd7r6zMU4C80CGsTpjQiKk1WOTgC CiQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=HxUc5gaIwIge835dZUX5IkvLBEJvC1l8WRYVqkft348=; b=JRGd0ijo+JwYd4E8PmqRNiDLz85cvdp0PRGTB0m/9glmbhDih5Fmb+hCr7BzL9g685 K2UwqHaLEWpQBVYIEWM5tcJ1LJdUuAw/+lmVzyvPoabtQIOEmjyQeApE/+GVmEYP6V5+ HTzEy10xsFKPkdVDjiPIxOv+SBe7wws+8nleEEO66KGl0LP/E09pvlXaX/L99XAG0dZD d1iwi4GNDsOc1Bk7XU3vuL4pJ2rDdEFADpuGvSgci9r9sx4NI1tEdgVpKserYT00agS/ tRe5Cw/0AQUX0x5sndsG8wXQZy9mOInh8pRZ1ObqtIt4IJisegWzw3cfikqJRhPs/dDe 0+FQ== X-Gm-Message-State: APjAAAXDck9fvwcWntxSNolopc1JiYG0tt7GGNw38wsVfn6+fThCL5MG 238iS3qa2PVIG3dI0FZKO31GjiqyA4bOVuSapKk= X-Google-Smtp-Source: APXvYqxO8u99J0QoKz/xQDNkbpiSIgK2B/7x23z9/fBId2NLQbiBcP85VWSZ2R9AepUxmzehmusDqRgh0/B0K+Vh9n0= X-Received: by 2002:ac8:37e6:: with SMTP id e35mr946896qtc.302.1582667787853; Tue, 25 Feb 2020 13:56:27 -0800 (PST) MIME-Version: 1.0 References: <202002250115.01P1F9KX090465@mail.karels.net> <188F34DA-192C-4D44-96B5-18A7DAE8EC67@digsys.bg> <6028c786-8610-01d9-818e-6f69a2fe9645@ingresso.co.uk> <20200225145346.GA42880@phouka1.phouka.net> <6e329bb8-b96e-fa16-cc73-426685593943@denninger.net> In-Reply-To: <6e329bb8-b96e-fa16-cc73-426685593943@denninger.net> From: Mario Olofo Date: Tue, 25 Feb 2020 18:56:16 -0300 Message-ID: Subject: Re: Running FreeBSD on M.2 SSD To: Karl Denninger Cc: freebsd-stable@freebsd.org X-Rspamd-Queue-Id: 48Rt715FXxz3Nk0 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=STFvnVHl; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of marioolofo@gmail.com designates 2607:f8b0:4864:20::843 as permitted sender) smtp.mailfrom=marioolofo@gmail.com X-Spamd-Result: default: False [-3.00 / 15.00]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; HAS_ATTACHMENT(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; FROM_EQ_ENVFROM(0.00)[]; IP_SCORE(0.00)[ip: (2.00), ipnet: 2607:f8b0::/32(-1.88), asn: 15169(-1.67), country: US(-0.05)]; MIME_TRACE(0.00)[0:+,1:+,2:+,3:~,4:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[multipart/mixed,multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-stable@freebsd.org]; IP_SCORE_FREEMAIL(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[3.4.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-Mailman-Approved-At: Wed, 26 Feb 2020 06:22:42 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.29 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, 25 Feb 2020 21:56:31 -0000 Hello, I reinstalled FreeBSD 12.1 on my SSD (in the swap partition of my Linux to test) and on my Hybrid HDD. Just configured and rc.conf to start my wifi dongle, downoaded git, node and npm via pkg and... as you can see in my screenshot, the ZFS already shows corrupted data... Can't been able to load the FreeBSD from the HDD though, don't know why, if someone direct me how to load the kernel from the HDD via loader or grub2, I'll try =3D) Mario Em ter., 25 de fev. de 2020 =C3=A0s 12:11, Karl Denninger escreveu: > > On 2/25/2020 9:53 AM, John Kennedy wrote: > > On Tue, Feb 25, 2020 at 11:07:48AM +0000, Pete French wrote: > >> I have often wondered if ZFS is more aggressive with discs, because > until > >> very recently any solid state drive I have used ZFS on broke very > quicky. ... > > I've always wondered if ZFS (and other snapshotting file systems) > would help > > kill SSD disks by locking up blocks longer than other filesystems > might. For > > example, I've got snapshot-backups going back, say, a year then those > blocks > > that haven't changed aren't going back into the pool to be rewritten (a= nd > > perhaps favored because of low write-cycle count). As the disk fills > up, the > > blocks that aren't locked up get reused more and more, leading to extra > wear > > on them. Eventually one of those will get to the point of erroring out= . > > > > Personally, I just size generously but that isn't always an option f= or > > everybody. > > I have a ZFS RaidZ2 on SSDs that has been running for several /years > /without any problems. The drives are Intel 730s, which Intel CLAIMS > don't have power-loss protection but in fact appear to; not only do they > have caps in them but in addition they pass a "pull the cord out of the > wall and then check to see if the data is corrupted on restart" test on > a repeated basis, which I did several times before trusting them. > > BTW essentially all non-data-center SSDs fail that test and some fail it > spectacularly (destroying the OS due to some of the in-flight data being > comingled on an allocated block with something important; if the > read/erase/write cycle interrupts you're cooked as the "other" data that > was not being modified gets destroyed too!) -- the Intels are one of the > very, very few that have passed it. > > -- > -- Karl Denninger > /The Market-Ticker/ > S/MIME Email accepted and preferred >