From owner-freebsd-fs@freebsd.org Sun Mar 7 17:49:53 2021 Return-Path: Delivered-To: freebsd-fs@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 7B59156DBF0 for ; Sun, 7 Mar 2021 17:49:53 +0000 (UTC) (envelope-from fjwcash@gmail.com) Received: from mail-qt1-x82f.google.com (mail-qt1-x82f.google.com [IPv6:2607:f8b0:4864:20::82f]) (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 4Dtprw1C7yz3KLs for ; Sun, 7 Mar 2021 17:49:51 +0000 (UTC) (envelope-from fjwcash@gmail.com) Received: by mail-qt1-x82f.google.com with SMTP id o1so5868216qta.13 for ; Sun, 07 Mar 2021 09:49:51 -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; bh=ZdN+sw9Sh5H3c6kkvNJnasyHG6/qxh/sDcbapluZlZI=; b=NAXAqfUGZJpa1awIiAg67pzHjzZOQeQ/kutJSZgUCZXzcsV86HwF/FaL27L6GSQ9hv +Lre8QCnfsXVRY4NIYUxftRRp1s7ThFgahiyvq4Hc2fZLgUPf9fgU/fkLjGhpyUCKOKE yUKmpDm0fJPowNSoJ6SNEj3XNsimwlHZ+Tkgjbksaxi29Opqh5/W4smJI9QrHQZ6f74L ziutE0fT0PF7mdT3JbqGR43S4l/UX0SZP1RHwE1xDG97/CQs3hdVoF7k6zA8gAylqKrl sWx2wGErhs/uUUhocvH1FJ3C6uEkoq+cjXef/9K6ljbLXPO3dA6PpamK/FA7IgcrWaUw D0jw== 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; bh=ZdN+sw9Sh5H3c6kkvNJnasyHG6/qxh/sDcbapluZlZI=; b=jMAtz9LSxsV5NEk9l6h5zrMXRYKakrn/XjKtkpzVWYWUB9W/Ml0nYoT/9XE9/cXHN8 tr1drlO37Dv1LsWzHyDT6WTXfxGc1w9QtGO+TseRUA6l52oI6kA0IUGWVe9w3yUq++IG pdQBXNPhbwQLN38Lyjd0JLyA/jH8Jwlt0B4R0+vHn919DXwM1h1Ij57lRYq+b6XaQLDb cYFymQbGM6fuNjbRh+anXNcTyfEnJj7FVP5SzlTV8iEdgHPPWby+v1LFTj2iXbh4pOP+ 7jwP5ebeFwyr6csjTsAqbLFkUUGddjp+P56tN5ARGz/onLZtHhr8gvg5o8QXo/+bFs8q dcQA== X-Gm-Message-State: AOAM533vTo1rmj3rO+69h8lLyaeSL1p2TazdbvApIw3RZqopDGKnFdtC IoyNaqEQtU6jj2kSyhs68Z7tHqgjfxQyU+YuOIUTOfh1 X-Google-Smtp-Source: ABdhPJwqdTy6ZnDRU489ETXDbaFDN7oJjYZIr4XqyDja4dT7Qk+Oi2kJxAuPplfhug2ECpIMU9spfFGu9ExG+g2wd14= X-Received: by 2002:ac8:5a8a:: with SMTP id c10mr17965836qtc.30.1615139389743; Sun, 07 Mar 2021 09:49:49 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Freddie Cash Date: Sun, 7 Mar 2021 09:49:38 -0800 Message-ID: Subject: Re: adding another disk to an existing vdev To: FreeBSD Filesystems X-Rspamd-Queue-Id: 4Dtprw1C7yz3KLs X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=NAXAqfUG; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of fjwcash@gmail.com designates 2607:f8b0:4864:20::82f as permitted sender) smtp.mailfrom=fjwcash@gmail.com X-Spamd-Result: default: False [-4.00 / 15.00]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RBL_DBL_DONT_QUERY_IPS(0.00)[2607:f8b0:4864:20::82f: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)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-fs@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[2607:f8b0:4864:20::82f:from:127.0.2.255]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::82f:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-fs] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Mar 2021 17:49:53 -0000 On Sun., Mar. 7, 2021, 9:25 a.m. tech-lists, wrote: > Hi, > > Say there are 4 identical disks in total. Three of them are in an > already-existing raidz1-0 vdev. > > Can I add this fourth disk to the vdev? Will it still be a raidz1-0 > vdev? > > Will I need to eg resilver/scrub/anything else ? > > There are some answers for this question being "no" but these are from a > decade ago. Is it possible now? > > Context is recent stable/12. The context can be changed if required. > No, you cannot extend a raidz vdev by adding disks to it. The number of drives in a raidz vdev is fixed at creation time. Cheers, Freddie Typos due to smartphone keyboard. >