From nobody Sun Nov 6 08:43:23 2022 X-Original-To: questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4N4nvb0Bksz4hqBy for ; Sun, 6 Nov 2022 08:43:39 +0000 (UTC) (envelope-from michaelsprivate@gmail.com) Received: from mail-oa1-x34.google.com (mail-oa1-x34.google.com [IPv6:2001:4860:4864:20::34]) (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 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4N4nvY61ZQz3kTQ for ; Sun, 6 Nov 2022 08:43:37 +0000 (UTC) (envelope-from michaelsprivate@gmail.com) Received: by mail-oa1-x34.google.com with SMTP id 586e51a60fabf-13ae8117023so9779889fac.9 for ; Sun, 06 Nov 2022 01:43:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=7m8FIby53IQ7Y2OsaHVqj1FXH8iNyuggP6h380kR8zw=; b=m8ZLv+W+i7oUeEx6TyitwdYhGLncnHdrmbSHS+8Zp9Eou7bHPNley5jxFrPS57x2kC bgIOzzaC5ZtYvRJrH+qTV00SyC6xJ4TucsMVzVSqkjl6BJndXBMGIO1dheSgfF7aXkXH f6C4HePtvsD5g4B53rsgluGdMylSQ/qMx2fT2j4nGCCMlyt15HWewBt/ruqjFMmJtRwy nJQ4ubC/0MfJLKeF38VRxeQxtrkW/+3IbDcldNTFXfdYXY07MTEWPhVWjDHAp4jnZF9s 1gH8hVVaXD6wE/+ie2bwp4UDG51Xm1Fo/sc/fN1krAug70Tn3NcSKnIlH1Gak5lzuoGc OnFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=7m8FIby53IQ7Y2OsaHVqj1FXH8iNyuggP6h380kR8zw=; b=Uh+EhvjVUoWqG4YROK2bAandgYvViGEn95v6acVanVg1hRSKk6AVX1N42lNhp0ACC1 XG/6wZ1MRmxo8ASiMPVTSCXjU8PNLjd2bJMD5ppsfB3W3gUeAN/LoSBEmjkV5sECyj9A 7FLVz+/m6ZLZIQFrM/lpLPnrP9Wot9Z9XZfeUA4Z1B2QjO9q9VRZ1yJcX3vERwXQgHv1 G+mO2+hZ2sTXwtYClFkyiJgmggCVlkp2/PL2rrnDlDchDWNsMY5v9nYTvW7xrqYLgo8O pVzKtr0UoYwo3IEsCO7ZNb27PfSOmf5en2qV+R/lZhae3nHeF2xzKf7FLkbuf0GUDiZH SevA== X-Gm-Message-State: ACrzQf1p//xXkUMiglP50qHW0adFSxxiMK+f5axm+pZiGjFV0m7J5H1K 1hlmkgf4YW6MceRQ5oyOC1XPdluwPohnHTFbGGB0Qmvq9FhO1Q== X-Google-Smtp-Source: AMsMyM4yiiuzVO0hATITHKhkbTiPfnHZvtCyVqk8U+haUcgqeeDeCZLNQj62+G47qo/gjgs0Cpa43ukJ+tzvCSsWgzw= X-Received: by 2002:a05:6870:c69d:b0:13a:e85e:3942 with SMTP id cv29-20020a056870c69d00b0013ae85e3942mr34519404oab.141.1667724216013; Sun, 06 Nov 2022 01:43:36 -0700 (PDT) List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org MIME-Version: 1.0 References: <20221105191506.ufa4nexieim3dhzu@freebsd> <20221105210111.2b0d80ba5ffb5deca8beed22@sohara.org> In-Reply-To: <20221105210111.2b0d80ba5ffb5deca8beed22@sohara.org> From: Michael Schuster Date: Sun, 6 Nov 2022 09:43:23 +0100 Message-ID: Subject: Re: Zfs Guide To: "Steve O'Hara-Smith" Cc: questions Content-Type: multipart/alternative; boundary="0000000000007a97e705ecc94da7" X-Rspamd-Queue-Id: 4N4nvY61ZQz3kTQ X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20210112 header.b=m8ZLv+W+; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of michaelsprivate@gmail.com designates 2001:4860:4864:20::34 as permitted sender) smtp.mailfrom=michaelsprivate@gmail.com X-Spamd-Result: default: False [-4.00 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_SPF_ALLOW(-0.20)[+ip6:2001:4860:4000::/36:c]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20210112]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; ARC_NA(0.00)[]; MLMMJ_DEST(0.00)[questions@freebsd.org]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2001:4860:4864::/48, country:US]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RCVD_COUNT_TWO(0.00)[2]; MID_RHS_MATCH_FROMTLD(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; RCVD_TLS_LAST(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; FROM_HAS_DN(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2001:4860:4864:20::34:from]; PREVIOUSLY_DELIVERED(0.00)[questions@freebsd.org]; TO_DN_ALL(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim] X-ThisMailContainsUnwantedMimeParts: N --0000000000007a97e705ecc94da7 Content-Type: text/plain; charset="UTF-8" On Sat, Nov 5, 2022, 22:01 Steve O'Hara-Smith wrote: > On Sat, 5 Nov 2022 12:15:06 -0700 > Joe B wrote: > > > So when i installed freeBSD about 5 days ago i noticed that it auto did > > ZFS pool and everything didn't know why but i went with it. Trying to > > understand it i looked online for some guides and the zfs fs seems very > > intresting, snapshots, compression everything. It seems that it was > > really made for two drives not one. i kinda understand if my internal > > hdd goes out then i would have a backup. > > Two drives is a minimum for ZFS to be really useful, it does work > fine on a single drive and it has benefits over many other filesystems even > without redundancy but it is the integration of redundancy and error > handling into the filesystem that makes ZFS special. > Let me repeat what was written recently (by David Cottlehuber, IIRC): ZFS-based boot environments work fine on a single disk and (IMO) justify using ZFS all by themselves. I wouldn't want to be without them. Regards Michael --0000000000007a97e705ecc94da7 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

On Sat, Nov 5, 2022, 22:01 Steve O'Hara-Smith <steve@= sohara.org> wrote:
On Sat, = 5 Nov 2022 12:15:06 -0700
Joe B <jb1277976@gmail.com> wrote:

> So when i installed freeBSD about 5 days ago i noticed that it auto di= d
> ZFS pool and everything didn't know why but i went with it. Trying= to
> understand it i looked online for some guides and the zfs fs seems ver= y
> intresting, snapshots, compression everything. It seems that it was > really made for two drives not one. i kinda understand if my internal<= br> > hdd goes out then i would have a backup.

=C2=A0 =C2=A0 =C2=A0 =C2=A0 Two drives is a minimum for ZFS to be really us= eful, it does work
fine on a single drive and it has benefits over many other filesystems even=
without redundancy but it is the integration of redundancy and error
handling into the filesystem that makes ZFS special.
=

Let me repeat what was = written recently (by David Cottlehuber, IIRC): ZFS-based boot environments = work fine on a single disk and (IMO) justify using ZFS all by themselves. I= wouldn't want to be without them.=C2=A0

Regards=C2=A0
Michael=C2=A0
--0000000000007a97e705ecc94da7--