From owner-freebsd-questions@freebsd.org Thu Oct 15 13:18:14 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 68D1043EA17 for ; Thu, 15 Oct 2020 13:18:14 +0000 (UTC) (envelope-from galtsev@kicp.uchicago.edu) Received: from kicp.uchicago.edu (kicp.uchicago.edu [128.135.20.70]) by mx1.freebsd.org (Postfix) with ESMTP id 4CBqbT4dcDz4T8v for ; Thu, 15 Oct 2020 13:18:13 +0000 (UTC) (envelope-from galtsev@kicp.uchicago.edu) Received: from ray (unknown [172.58.140.242]) (Authenticated sender: galtsev) by kicp.uchicago.edu (Postfix) with ESMTPSA id 560274E65E for ; Thu, 15 Oct 2020 08:08:47 -0500 (CDT) Date: Thu, 15 Oct 2020 08:08:45 -0500 From: Valeri Galtsev To: freebsd-questions@freebsd.org Subject: Re: A couple of questions about SSDs Message-ID: <20201015080845.560d8af7@ray> In-Reply-To: <20201015084311.5fa2156c@archlinux> References: <20201014121442.662e71c4@archlinux> <20201014174749.6df7572a.freebsd@edvax.de> <20201014202206.7c7886d0@archlinux> <20201015060615.GJ22063@mithril> <20201015084311.5fa2156c@archlinux> X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4CBqbT4dcDz4T8v X-Spamd-Bar: +++++++ Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=fail reason="No valid SPF, No valid DKIM" header.from=uchicago.edu (policy=none); spf=none (mx1.freebsd.org: domain of galtsev@kicp.uchicago.edu has no SPF policy when checking 128.135.20.70) smtp.mailfrom=galtsev@kicp.uchicago.edu X-Spamd-Result: default: False [7.44 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; RECEIVED_SPAMHAUS_XBL(5.00)[172.58.140.242:received]; RECEIVED_SPAMHAUS_PBL(0.00)[172.58.140.242:received]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; GREYLIST(0.00)[pass,body]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; NEURAL_SPAM_MEDIUM(0.87)[0.866]; RCPT_COUNT_ONE(0.00)[1]; MID_RHS_NOT_FQDN(0.50)[]; NEURAL_SPAM_SHORT(0.15)[0.154]; NEURAL_SPAM_LONG(0.82)[0.823]; R_SPF_NA(0.00)[no SPF record]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:160, ipnet:128.135.0.0/16, country:US]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-questions]; DMARC_POLICY_SOFTFAIL(0.10)[uchicago.edu : No valid SPF, No valid DKIM,none] X-Spam: Yes 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 13:18:14 -0000 On Thu, 15 Oct 2020 08:43:10 +0200 Ralf Mardorf wrote: > Maybe HDD are more fragile than SSD. On Tuesday I got two HDD handed > over in a dpd parcel shop, actually it's a kiosk. They were packaged > as shown by the image at https://i.imgur.com/1hSKGRe.jpg . Everything > inside the package wasn't viewable damaged. One of the drives is way > louder and also beeping at a frequency around 1.4 KHz and already > suffered from a superblock issue, which is gone now. I probably should > have refused to accept. I wonder, if my dealer is willing to replace > the drive and I wonder, if I should ask to replace the other drive, > too. The other drive still isn't partitioned. However, it sounds ok, > so it's likely not damaged, but you never know. That at least one > drive is fishy, might be unrelated to the package's treatment. OTOH > it's reasonable to assume that it is related. I suspect a SSD is more > shockproof than a HDD even with parked heads. SSD is just shockproof. Indeed, how much acceleration do you have to subject it to have lightweight circuit board with ICs (Intergated Circuits) to subject for something to crack? On the other hand, everyone have seen interior mechanical design of hard drive. to brake it will take much less acceleration. Valeri > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" -- ++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++