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Sat, 1 May 2021 02:13:45 +0000 Received: by kubenode505.mail-prod1.omega.bf1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 2957b801444d41ed460b61284ae712b7; Sat, 01 May 2021 02:13:42 +0000 (UTC) From: Mark Millard Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.60.0.2.21\)) Subject: Re: ZFS going forward, on stable/13 vs. main: question Date: Fri, 30 Apr 2021 19:13:39 -0700 References: To: freebsd-current In-Reply-To: Message-Id: <19D30AA6-EC80-4E48-936E-EC6B29833B79@yahoo.com> X-Mailer: Apple Mail (2.3654.60.0.2.21) X-Rspamd-Queue-Id: 4FXCTR3gbmz4RWN X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.50 / 15.00]; FREEMAIL_FROM(0.00)[yahoo.com]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[yahoo.com:+]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; NEURAL_HAM_SHORT(-1.00)[-0.999]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; RBL_DBL_DONT_QUERY_IPS(0.00)[98.137.65.31:from]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[98.137.65.31:from:127.0.2.255]; RCVD_IN_DNSWL_NONE(0.00)[98.137.65.31:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.65.31:from]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-current] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 01 May 2021 02:13:48 -0000 [Just a resend: asking the question on the list less than an hour before the UTC month change might not be all that effective relative to those that just web browse the list to read it.] On 2021-Apr-30, at 16:21, Mark Millard wrote: > Context . . . >=20 > I've been experimenting with ZFS and bectl use recently. > It has been many years since I last used ZFS --and that > was only a short experiment that did not have to deal > with upgrades over time. >=20 > I now have: >=20 > # bectl list=20 > BE Active Mountpoint Space Created > 13S-CA72-nodbg N / 4.02G 2021-04-27 18:55 > 13_0R-CA72-nodbg R - 8.49G 2021-04-28 10:48 > main-CA72-nodbg - - 3.24G 2021-04-30 13:25 >=20 > (so a stable/13 vintage , releng/13.0 as of release/13.0.0 , > and a main vintage for what things are based on). That is > via: >=20 > zroot/ROOT/13S-CA72-nodbg 1.60G 131G = 4.10G / > zroot/ROOT/13_0R-CA72-nodbg 8.49G 131G = 4.59G / > zroot/ROOT/main-CA72-nodbg 1.77G 131G = 4.63G / >=20 > For reference: the context is simple in various > other respects: >=20 > # gpart show > =3D> 40 468862048 da0 GPT (224G) > 40 532480 1 efi (260M) > 532520 2008 - free - (1.0M) > 534528 25165824 2 freebsd-swap (12G) > 25700352 25165824 4 freebsd-swap (12G) > 50866176 417994752 3 freebsd-zfs (199G) > 468860928 1160 - free - (580K) >=20 > The USB SSD is used to boot and use any of (all > aarch64): >=20 > An OverDrive 1000 > A MACCHIATObin Double Shot > Various RPi4B's with 8 GiBytes RAM > Potentially various RPI4B's with 4 GiBytes RAM. >=20 >=20 > Question . . . >=20 > Are there any potential future upgrade issues with main > [so: 14] vs. stable/13 and releng/13.0 , say by main > updates involving ZFS updates in a way stable/13 or the > recent releng/13.* might not handle? >=20 > The implication would be that such a mix of boot > environments on the same zpool or media might not > be a good idea over time: main might be better > separated so the ZFS versioning is independent > between 13 and 14. >=20 =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)