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Mon, 30 Sep 2024 07:56:48 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-questions@freebsd.org Sender: owner-freebsd-questions@FreeBSD.org MIME-Version: 1.0 Date: Mon, 30 Sep 2024 11:56:28 +0000 From: "Dave Cottlehuber" To: "Frank Leonhardt" Cc: freebsd-questions Message-Id: <7df6784b-c240-4f41-8e6d-61f01008f373@app.fastmail.com> In-Reply-To: <73ea4e68084aaef706787425ab17f023@fjl.co.uk> References: <573b9b4c7f56702619bbb77e9a8c0a77@fjl.co.uk> <73ea4e68084aaef706787425ab17f023@fjl.co.uk> Subject: Re: Manual upgrade using base.txz Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Spamd-Result: default: False [-4.00 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.91)[-0.906]; DMARC_POLICY_ALLOW(-0.50)[skunkwerks.at,none]; R_DKIM_ALLOW(-0.20)[skunkwerks.at:s=fm3,messagingengine.com:s=fm2]; R_SPF_ALLOW(-0.20)[+ip4:103.168.172.128/27:c]; MIME_GOOD(-0.10)[text/plain]; RCVD_IN_DNSWL_LOW(-0.10)[103.168.172.147:from]; XM_UA_NO_VERSION(0.01)[]; DWL_DNSWL_NONE(0.00)[messagingengine.com:dkim]; ARC_NA(0.00)[]; ASN(0.00)[asn:209242, ipnet:103.168.172.0/24, country:US]; FREEFALL_USER(0.00)[dch]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_TWO(0.00)[2]; MLMMJ_DEST(0.00)[freebsd-questions@freebsd.org]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[skunkwerks.at:+,messagingengine.com:+] X-Rspamd-Queue-Id: 4XHKLB33fhz4CqC X-Spamd-Bar: --- On Thu, 26 Sep 2024, at 14:37, Frank Leonhardt wrote: > you any idea how far back this might work? Like dumping 14 on a > ten-year-old AMD64 install? I can, of course, copy the drives and > experiment if no one else has. I would expect the password files not to be directly compatible, and probably a few other things like sshd_config would be out of date too. Either way I think you should have a crack and report back just how bad the breakage is :-). 10 years ago would be 9.x approx, a great deal has changed, hopefully for the better. The zfs pool layout is different now too, IIRC, so boot environments might not work OOTB. I would be concerned about being easily able to revert, for example. You could test the waters by installing 14.1-RELEASE onto a USB stick or external drive, and seeing if you can use that boot loader, to boot the older version or not. good luck! A+ Dave