From owner-freebsd-questions@freebsd.org Tue Oct 27 07:13:08 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 EAE09440D38 for ; Tue, 27 Oct 2020 07:13:08 +0000 (UTC) (envelope-from jacques+freebsd@foucry.net) Received: from mail.foucry.net (mail.foucry.net [IPv6:2a01:4f9:4a:1fd8::17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4CL2wg70bGz4Qp3 for ; Tue, 27 Oct 2020 07:13:07 +0000 (UTC) (envelope-from jacques+freebsd@foucry.net) Received: from mail.foucry.net (unknown [192.168.12.17]) by mail.foucry.net (Postfix) with ESMTP id 064CA31FC3 for ; Tue, 27 Oct 2020 07:12:59 +0000 (UTC) X-Virus-Scanned: amavisd-new at foucry.net Received: from mail.foucry.net ([192.168.12.17]) by mail.foucry.net (mail.foucry.net [192.168.12.17]) (amavisd-new, port 10024) with ESMTP id OuAe5zAEvWrN for ; Tue, 27 Oct 2020 07:12:44 +0000 (UTC) Received: by mail.foucry.net (Postfix, from userid 58) id B3AF931FA1; Tue, 27 Oct 2020 07:12:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=foucry.net; s=dkim; t=1603782764; bh=vDi+oh0At29fF5rgJcClCz0nkwpCvRV6M/saUCRYMNY=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=qfMkkrF5yQ+68Ek6RTuptMBTUW5HXPrAvyHkn4GfHanH7LXqonybNhiwSEcRYtqgZ s+WVCdwG5YsuDc6FMrZK6lreue12pQO27UJ5XdYLWBPPh5Lx3mWZd6N8IfsiY8BY4G wpT/gKik8nJG+fbnFtxcrIMGf9+lBSbRYm2Zz68c= Received: from mithril.localdomain (82-65-174-130.subs.proxad.net [82.65.174.130]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.foucry.net (Postfix) with ESMTPSA id 2DA8531F99; Tue, 27 Oct 2020 07:12:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=foucry.net; s=dkim; t=1603782762; bh=vDi+oh0At29fF5rgJcClCz0nkwpCvRV6M/saUCRYMNY=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=oiD1SExrecq7mh7WE5/IU4ZYpGz9yIwSmruSY8e/qt9QkW7OiBeY+JepBUMGnR7D2 OXcE53BE9I8o1NB2KXC1arEdZwAX8xtK9VAe3TUIwc7S3gAs9y8oQYJ7UYmFpXXypX gJnzUw/9VlAJec+Jg98KwMp1vyyr6Ku337gLjRMg= Received: from mithril (localhost [IPv6:::1]) by mithril.localdomain (Postfix) with ESMTP id 5069819C05; Tue, 27 Oct 2020 08:12:41 +0100 (CET) Date: Tue, 27 Oct 2020 08:12:41 +0100 From: Jacques Foucry To: RW Cc: freebsd-questions@freebsd.org Subject: Re: What is the "better / best " method to multi-boot different OSes natively WITHOUT VirtualBox(es) ? [a little bit off topic] Message-ID: <20201027071241.GB84789@mithril> Mail-Followup-To: RW , freebsd-questions@freebsd.org References: <20201024111010.5c867e8540a369b826d26703@sohara.org> <20201025065025.6a13dc89@archlinux> <20201025173321.8adee3e5.freebsd@edvax.de> <20201026153012.0cf46ec8@gumby.homeunix.com> <10e0134ddb726ac78174a63bd20ec0bdeb3c896d.camel@riseup.net> <20201026204524.7959ae0b@gumby.homeunix.com> <7256578c-3ad2-2a21-f904-474a5ba7d6a6@kicp.uchicago.edu> <20201026231422.1b03652d@gumby.homeunix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20201026231422.1b03652d@gumby.homeunix.com> X-Rspamd-Queue-Id: 4CL2wg70bGz4Qp3 X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=foucry.net header.s=dkim header.b=qfMkkrF5; dkim=pass header.d=foucry.net header.s=dkim header.b=oiD1SExr; dmarc=pass (policy=none) header.from=foucry.net; spf=pass (mx1.freebsd.org: domain of jacques@foucry.net designates 2a01:4f9:4a:1fd8::17 as permitted sender) smtp.mailfrom=jacques@foucry.net X-Spamd-Result: default: False [-3.49 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; DKIM_TRACE(0.00)[foucry.net:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[foucry.net,none]; NEURAL_HAM_SHORT(-0.97)[-0.970]; FREEMAIL_TO(0.00)[googlemail.com]; RECEIVED_SPAMHAUS_PBL(0.00)[82.65.174.130:received]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/29, country:DE]; RCVD_TLS_LAST(0.00)[]; TAGGED_FROM(0.00)[freebsd]; SUBJECT_HAS_QUESTION(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.01)[-1.011]; RCVD_COUNT_FIVE(0.00)[6]; R_DKIM_ALLOW(-0.20)[foucry.net:s=dkim]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.004]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MID_RHS_NOT_FQDN(0.50)[]; MAILMAN_DEST(0.00)[freebsd-questions] 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: Tue, 27 Oct 2020 07:13:09 -0000 Le lundi 26 oct. 2020 à 23:14:22 (+0000), RW via freebsd-questions à écrit: > On Mon, 26 Oct 2020 16:25:10 -0500 > Valeri Galtsev wrote: > > > > > Note that I was talking specifically about head parking rather then > > > power cycling in general. Your anecdote is about power cycling, not > > > specifically parking. > > > > > > > Is parking heads not just powering off magnet that positions heads on > > data tracks? > > On shutdown hard drives turn their spindle motor into a generator to > power the parking. Parking is clearly not passive. Whaou… I know parking is not automatic, but when I learned computing we had to use the command `park` to really park the HDD head and we eared a very spacial sound telling the head have be really parked, before turning off the computer (Micral 80/22 G, around 1984) Thanks for the come back in old days… :-) -- Jacques Foucry