From owner-freebsd-questions@freebsd.org Thu Oct 15 07:23:07 2020 Return-Path: Delivered-To: freebsd-questions@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 EA12D43584E for ; Thu, 15 Oct 2020 07:23:07 +0000 (UTC) (envelope-from ralf-mardorf@riseup.net) Received: from mx1.riseup.net (mx1.riseup.net [198.252.153.129]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.riseup.net", Issuer "Sectigo RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4CBgjl0CBMz46gD for ; Thu, 15 Oct 2020 07:23:06 +0000 (UTC) (envelope-from ralf-mardorf@riseup.net) Received: from bell.riseup.net (bell-pn.riseup.net [10.0.1.178]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client CN "*.riseup.net", Issuer "Sectigo RSA Domain Validation Secure Server CA" (not verified)) by mx1.riseup.net (Postfix) with ESMTPS id 4CBgjd3PCMzFs70 for ; Thu, 15 Oct 2020 00:23:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1602746581; bh=CmhOnA0sRwsLWTHEUo/OFqnjkkWbXvO/X63Nv6MkGVU=; h=Date:From:To:Subject:In-Reply-To:References:From; b=jeKHJ3et33+gXjn5BLgMvSF00PAFzWEneqgEYr96jRHwsRQMd1OZ5JAByzqGv1r2a M8r1DohV8g03OWs2xU9MO4rYXkICdusAAwPJ+x2/Whzjt9d0XjR+N2fDZZ4xRCB/To +nd9L3ksZOawQFLerOMS+sBSqt2q0hM4kPNR1jGo= X-Riseup-User-ID: C937F2687EB5333D8CEE9985F1DE18F26A07CD69EEF8A70405A538390E92E647 Received: from [127.0.0.1] (localhost [127.0.0.1]) by bell.riseup.net (Postfix) with ESMTPSA id 4CBgjc5gfDzJmgZ for ; Thu, 15 Oct 2020 00:23:00 -0700 (PDT) Date: Thu, 15 Oct 2020 09:22:44 +0200 From: Ralf Mardorf To: freebsd-questions@freebsd.org Subject: Re: A couple of questions about SSDs Message-ID: <20201015092244.211f2370@archlinux> In-Reply-To: References: <20201014121442.662e71c4@archlinux> <20201014174749.6df7572a.freebsd@edvax.de> <20201014202206.7c7886d0@archlinux> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 4CBgjl0CBMz46gD X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=riseup.net header.s=squak header.b=jeKHJ3et; dmarc=pass (policy=none) header.from=riseup.net; spf=pass (mx1.freebsd.org: domain of ralf-mardorf@riseup.net designates 198.252.153.129 as permitted sender) smtp.mailfrom=ralf-mardorf@riseup.net X-Spamd-Result: default: False [-4.76 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[riseup.net:s=squak]; NEURAL_HAM_MEDIUM(-1.03)[-1.034]; FROM_HAS_DN(0.00)[]; RWL_MAILSPIKE_GOOD(0.00)[198.252.153.129:from]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; DWL_DNSWL_LOW(-1.00)[riseup.net:dkim]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[riseup.net:+]; DMARC_POLICY_ALLOW(-0.50)[riseup.net,none]; NEURAL_HAM_SHORT(-1.11)[-1.109]; NEURAL_HAM_LONG(-1.02)[-1.017]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_NOT_FQDN(0.50)[]; ASN(0.00)[asn:16652, ipnet:198.252.153.0/24, country:US]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-questions]; RCVD_IN_DNSWL_LOW(-0.10)[198.252.153.129:from] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Oct 2020 07:23:08 -0000 On Thu, 15 Oct 2020 08:26:39 +0200, Andrea Venturoli wrote: >> In my desktop PC are 5 SSDs. Four are connected to the mobos SATA 3 >> connectors and one is connected to a SATA 2 connector. Four are >> 223.57 GiB sized and one is 447.13 GiB sized. I'm to lazy to check >> how old each of them is, but IIRC the oldest is around 3=C2=BD years old >> and the vendor's software mentions that the "health" is at 64%, the >> system drive is one of the newer SSDs, maybe around 2 years old, >> "health" 57%. =20 > >So your SSDs seems to last 4-6 years. Probably for 4-7 years. My HDDs tend to last for 2-7 years. Indeed, some of my HDDs are way older than 7 years, but either from aged small sized technology, 1 GiB or even 40 MiB or relatively modern, but seldom used drives, since they are external backup and/or archive drives.