From owner-freebsd-geom@freebsd.org Fri Feb 5 20:12:05 2021 Return-Path: Delivered-To: freebsd-geom@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 9E0C15291A4 for ; Fri, 5 Feb 2021 20:12:05 +0000 (UTC) (envelope-from jmpalacios@gmail.com) Received: from mail-qk1-x733.google.com (mail-qk1-x733.google.com [IPv6:2607:f8b0:4864:20::733]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4DXRQr35Xbz4Tgc for ; Fri, 5 Feb 2021 20:12:04 +0000 (UTC) (envelope-from jmpalacios@gmail.com) Received: by mail-qk1-x733.google.com with SMTP id a12so8179905qkh.10 for ; Fri, 05 Feb 2021 12:12:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=GOvVXyondra7RiyYDF5YjMqcbKYO5CVOK+Qq1Aqj878=; b=l7oxw88nkNVu5Oajy+lymnj5O1bLESK5mwqjrjqUbyObWWGn93snz0TA1kaH4aqmUp 9JlAdgP8+xj/gmnAzyluomiWr6VPcvnFCdEVCago2MGLezla2acELZmwivmkuzb8YqZF 1jgti5Dq0LtatdbaSFGaHuxrqCcSBkjYuv7fvyd/l0ioylJZVSzIQ2C+vwxdbrk+MkRF xj+iJJ9RSo6ycOUGmlwNEJfufLHM8GPVBsaWN0FhkhnIQzDcX/Vlv2a9s+akgDHXjWmr QEMHUUh/1kN/27kOg0ltbFdkfMvqY2TCRvwTP/jJGBFMwoJVjQdU9M+gGjUA5aBx/h1h CVkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=GOvVXyondra7RiyYDF5YjMqcbKYO5CVOK+Qq1Aqj878=; b=Ga6uxn5nyX4pnL88kwzONLF43uo7NSsMmilP6lAfWoBzxVNLpHlcf7Z7MbhoenVQS6 ojBdWPAK018fs5L05sb1eW1jCLGVcNnfZXrD1H5NCUVTxPrFPWghF20RPqApmqkoBEJJ u/5FqQbDjuXjQlBE5QTYPJaZIa/RFxVPjim/KjorCUqdcGGy45r1LTdd3+K760GvrQzj W37PJDSjEvwydiHt7zFxMSqMBdDu1wpzkaP7r+1taYW9PLQfhou9Xxi1aR5DR3ApgSIR lAfmh38/U2F6KOSfetu5JgqCdcqouECHC2vLyJshNxD/rIUbAyd78/y7rS+c/Xi4KVze AMhA== X-Gm-Message-State: AOAM532rGMA1AgUY30cvwcwEPt/NlCLSoj5oVfpVudn8bCIE4ZlScknw fZWZURCntqu9hiFiwhkNF8ORelAVDQmaGTTysTw= X-Google-Smtp-Source: ABdhPJzytyGXjYBJxzZL18rvLZQFV0kWjgR5DgX8DrX2a/d5lPcLuGl6odt6cPxdKA1ILigftGfzuhV2Kojr2SY0++s= X-Received: by 2002:a37:8dc1:: with SMTP id p184mr6076614qkd.70.1612555923640; Fri, 05 Feb 2021 12:12:03 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Juan Manuel Palacios Date: Fri, 5 Feb 2021 15:11:52 -0500 Message-ID: Subject: Re: gjournal, turn off automatic synchronization clarification To: Abner Gershon <6731955@gmail.com> Cc: freebsd-geom@freebsd.org X-Rspamd-Queue-Id: 4DXRQr35Xbz4Tgc X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=l7oxw88n; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of jmpalacios@gmail.com designates 2607:f8b0:4864:20::733 as permitted sender) smtp.mailfrom=jmpalacios@gmail.com X-Spamd-Result: default: False [-4.00 / 15.00]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RBL_DBL_DONT_QUERY_IPS(0.00)[2607:f8b0:4864:20::733:from]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-geom@freebsd.org]; SPAMHAUS_ZRD(0.00)[2607:f8b0:4864:20::733:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::733:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-geom] Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Feb 2021 20:12:05 -0000 Hopefully I'm not out of line here, specially with me being far from a GEOM expert=E2=80=A6 but from all that you're saying, and all that you're hoping= to get from your storage solution, I'm wondering why you're learning against ZFS, since it pretty much gives you all you want right out of the box. If I may ask, what are your reasons for rejecting ZFS? What constraints do you anticipate you'll be facing, e.g. low RAM? On Fri, Feb 5, 2021 at 3:00 PM Abner Gershon <6731955@gmail.com> wrote: > Man page quote:" > > When *gjournal* is configured on top of gmirror(8) > < > https://www.freebsd.org/cgi/man.cgi?query=3Dgmirror&sektion=3D8&apropos= =3D0&manpath=3DFreeBSD+12.2-RELEASE+and+Ports > > > or graid3(8) < > https://www.freebsd.org/cgi/man.cgi?query=3Dgraid3&sektion=3D8&apropos=3D= 0&manpath=3DFreeBSD+12.2-RELEASE+and+Ports > > > providers, > it also keeps them in a consistent state, thus automatic > synchronization > on power failure or system crash may be disabled on those providers.= " > > > I am planning to use 4 disks. 2 in a gmirror for data. 2 disks with > mirrored partitions for the journal. > > Should I turn off gmirror auto sync for just the data provider, just > the journal provider, or for the journaled device itself? > > Please provide example. > > Thank you. > _______________________________________________ > freebsd-geom@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-geom > To unsubscribe, send any mail to "freebsd-geom-unsubscribe@freebsd.org" >