From owner-freebsd-virtualization@freebsd.org Mon Feb 11 17:36:49 2019 Return-Path: Delivered-To: freebsd-virtualization@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 EDF4914DE51F for ; Mon, 11 Feb 2019 17:36:48 +0000 (UTC) (envelope-from paul.g.webster@googlemail.com) Received: from mail-qt1-x835.google.com (mail-qt1-x835.google.com [IPv6:2607:f8b0:4864:20::835]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 790C38102F for ; Mon, 11 Feb 2019 17:36:48 +0000 (UTC) (envelope-from paul.g.webster@googlemail.com) Received: by mail-qt1-x835.google.com with SMTP id z39so3287925qtz.0 for ; Mon, 11 Feb 2019 09:36:48 -0800 (PST) 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=x3y4juz/kNjuPnVWH+ueyRCp3QyyAVETWpHDfl+GAgY=; b=qDLtAsnZkVWKI9TQNUS+EEog9B8fSC/LBAYrAQdeHkfbasvpMT3mmkcQHWh81tl2HD o2Vzi8iUJEi33ramHkos9WtkR1EuuirYxPcLdy9etK6Ig4pSBslEUMept+feL881Nt0q nhRRwyyTzvEG7fkTLHKoLoshZpsZfzxlMQwC0w66S3WmOhAaKGHBdQ4m9bapGk4EA/NE EWYRCWT/TuBYU+BG7AMlAvg+/nKnvcxr26r2jfmbjRBQ9Rec4zzdaW11JhQOHoyx10o6 92ADHNR2tpXvBUOV70XhHAKaJFgJVKJMm5pqP+Dt5oc/mxur8oyAW0XXUzk3D3g/Rb8W UDMA== X-Gm-Message-State: AHQUAubaa9W0EtMMv/uZ5vn4oOdP+dTRuaBGGLnGCi9AoCD65YsZCQRe TVHY3C67LYuP4XtlZQhIwp2eHkNh5aGj6pBJfmJJsg== X-Google-Smtp-Source: AHgI3IZNLfuYeYONnL5Vqj4zg+jsPYxlZTgjJRzmwu9fbo1o+3iotLZwwwxFjTjTRTq7iPr8oE0vGn3Qtgw5MtNkkOQ= X-Received: by 2002:a0c:8a29:: with SMTP id 38mr27027369qvt.222.1549906608022; Mon, 11 Feb 2019 09:36:48 -0800 (PST) MIME-Version: 1.0 References: <20190211170312.GA76683@admin.sibptus.ru> In-Reply-To: <20190211170312.GA76683@admin.sibptus.ru> From: Paul Webster Date: Mon, 11 Feb 2019 17:36:38 +0000 Message-ID: Subject: Re: mounting/exporting/importing a zfs volume To: Victor Sudakov Cc: "freebsd-virtua." X-Rspamd-Queue-Id: 790C38102F X-Spamd-Bar: ------ X-Spamd-Result: default: False [-6.98 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; REPLY(-4.00)[]; NEURAL_HAM_SHORT(-0.98)[-0.980,0]; TAGGED_FROM(0.00)[] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Feb 2019 17:36:49 -0000 mdconfig -a -t vnode -f afaik once they are mounted you could dd them over to the zvols and then resize them from within the vm On Mon, 11 Feb 2019 at 17:04, Victor Sudakov wrote: > Dear Colleagues, > > vm-bhyve keeps virtual machines on zfs volumes with volmode=dev. How can > I access/mount the filesystems within the volume when the virtual host > is offline? > > If I kept virtual disks in raw files, I could access them as devices > with mdconfig. But: > > root@newserv:~ # mdconfig -a -f /dev/zvol/zroot/vm/mail/disk0 > mdconfig: /dev/zvol/zroot/vm/mail/disk0 is not a regular file > root@newserv:~ # > > Also, how can I exchange those zfs volumes for use with other > hypervisors? They are not real raw disk files so I cannot use > sysutils/vmdktool etc. > > -- > Victor Sudakov, VAS4-RIPE, VAS47-RIPN > 2:5005/49@fidonet http://vas.tomsk.ru/ >