From owner-freebsd-stable@freebsd.org Mon May 20 03:17:48 2019 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7124D159F22F for ; Mon, 20 May 2019 03:17:48 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: from mail-it1-x12c.google.com (mail-it1-x12c.google.com [IPv6:2607:f8b0:4864:20::12c]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) 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 681CE8930B for ; Mon, 20 May 2019 03:17:47 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: by mail-it1-x12c.google.com with SMTP id g71so20793206ita.5 for ; Sun, 19 May 2019 20:17:47 -0700 (PDT) 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=JcOqOHEOY6/en+26pFhQCCLDQ8p9jpLFV9sGE3JtG84=; b=tvkn0fovGye8W1b56QcjLuqJqpRqz+lyTIcSc/btAJ08WfoSxF+zLxNcyi3S76GIov GHnD0RtJcsWERAVavZEhT2nxyLdlvhrP6p39NKYclxE6IFvoE/doyofPefoJlJ8TEt2C NAyxMMuHgZCqeUfcwDlax+PpztehtVSmxCgBUoYQW4m2goD501KMxnoS30bFi9/CxXYG 4g3NUa5iAHA1pYnrTNFqiPY4B6/YfGnTkhEcpeozKd0ysQqvidevhdnrTn7ceJ0pzxq5 4QGF0ESvAM6H/AseK+DETtgRkXalNmu9Yqj/fIvGZJI+JsSboKtdrbWYEhG9a7gTzETk WWMw== 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=JcOqOHEOY6/en+26pFhQCCLDQ8p9jpLFV9sGE3JtG84=; b=JJNiZ5SyqNGwRpcHpdqs2xNbC6g/+J1LSJxsOEsVEEopNJV0sUojtSWi7vuYp9mHdM 9UmeZqMtcAdNZMphNlthuOo9RwR5sziac5oCcd3rOeYKx/Bu+WOj6+Dt046026Lo/hVV 7uFq6UNKQEMEym0Ii3nbIwudQLijYFCFs4HanhgHnC7H0Yoy5PnHpk8IHsUjBPjV5rdN 6u6ZajdhytDAX3w+m3ccl1/4jhRf9Ol53lYqUuGi2URQK1KRyWpK37Jr/MMQBmGJ2Y39 L7BUleMIDX2g1JsDRHus4g7x1FapfWeoolOPgIInlXnsKCxynunyOf/zRc5E4d+cYLq8 ohsQ== X-Gm-Message-State: APjAAAWz0yRA2fsV4g5R6AhEW/eOMcOVfhTd2YYuegJNC2x47R3F5W+8 AwpipcB8vi26pxp4wagxpO0iUDm/9VYfSARlkY8IPg== X-Google-Smtp-Source: APXvYqwi3gigzH+2ew5IjWIytDjZjJMtRWQicxnMNkbQnxj2S/UmIXnximErixMZwYb/JSh//HYV2WYkbgNF1ZYaIEg= X-Received: by 2002:a24:6f14:: with SMTP id x20mr12649870itb.24.1558322266389; Sun, 19 May 2019 20:17:46 -0700 (PDT) MIME-Version: 1.0 References: <20190520014645.GC6971@rpi3.zyxst.net> <54BFD570-E9B9-49A5-8785-2D80D4FC05D1@gromit.dlib.vt.edu> <20190520024517.GA23482@rpi3.zyxst.net> In-Reply-To: <20190520024517.GA23482@rpi3.zyxst.net> From: Adam Date: Sun, 19 May 2019 22:17:35 -0500 Message-ID: Subject: Re: trying to expand a zvol-backed bhyve guest which is UFS To: "freebsd-stable@freebsd.org" X-Rspamd-Queue-Id: 681CE8930B X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=tvkn0fov; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of amvandemore@gmail.com designates 2607:f8b0:4864:20::12c as permitted sender) smtp.mailfrom=amvandemore@gmail.com X-Spamd-Result: default: False [-6.92 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-stable@freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; RCPT_COUNT_ONE(0.00)[1]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[c.2.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; TO_DN_EQ_ADDR_ALL(0.00)[]; IP_SCORE(-2.98)[ip: (-9.33), ipnet: 2607:f8b0::/32(-3.26), asn: 15169(-2.27), country: US(-0.06)]; NEURAL_HAM_SHORT(-0.93)[-0.931,0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 May 2019 03:17:48 -0000 On Sun, May 19, 2019 at 9:47 PM tech-lists wrote: > Thanks very much to you both, all sorted now. I didn't realise there was > a 2TB limit for MBR either. Can I shrink the 4TB to 2TB on the zfs side > without scrambling the ufs on the guest? > You can snapshot the zvol to be safe, but you should be able to shrink it to the existing partition size. If it's a sparse zvol, it may not may that much difference. -- Adam