From owner-freebsd-questions@freebsd.org Mon Oct 23 19:49:48 2017 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id EB0E3E539A9 for ; Mon, 23 Oct 2017 19:49:48 +0000 (UTC) (envelope-from ultima1252@gmail.com) Received: from mail-yw0-x22a.google.com (mail-yw0-x22a.google.com [IPv6:2607:f8b0:4002:c05::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 9BCBA81CF6 for ; Mon, 23 Oct 2017 19:49:48 +0000 (UTC) (envelope-from ultima1252@gmail.com) Received: by mail-yw0-x22a.google.com with SMTP id t71so13101505ywc.3 for ; Mon, 23 Oct 2017 12:49:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=o86KCEMZGX6B91rxd0Lp8KqSAzu/fJB+TK/UFNeNBKE=; b=N5i+uwmiy6jm2aMZ6bZUI002Alkh67KuqWg1/rS3DZUkgBu4fXdrBFFTldhpIvlhSl UkElV8NmJyC4jsSEMbgccXHa+fkZbpYueC/B8HC/hjQcmjbvcLJE9qsJx6+fUlN+M7uT AOcP0siORBRaGVPBECOgDeAC93y1dubdjyOoYFr+UeAu6QJam90yp2BgxK6frcehpIyO i0cGuF52sdbyC9AIfVkC/vhCZi+NOG4pypwuFCgIqqYCsIztCwNGP71Zwv7eWyzM8e+T 64LVRK0D6dbnHWdobVyEpptDEAqUIbRvJRwGBaYH4Lq19Vn/YYBRFQmNV6OO4v0DPA2y fQ7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=o86KCEMZGX6B91rxd0Lp8KqSAzu/fJB+TK/UFNeNBKE=; b=GNi6dpHXDzOeFX0aZdCtwgJtdumhSMHgGo8Ee7pCYsw1mHw11ihTgNlKcWs7UCAZnT LJhsD5cJB775xL+bWOrbDR5e2f0Aq/sHsn9Of+fFjhm4T5b2oHLNkEjg+O3PosKwd2qz /Fli92cuQwMckjHAAaMtum84VUjgKnOqFVoi9W96cLHLWofRGmJSLOduLOB7ys954VxO sm8V0jTElsNtzxtpJmQ6qLhvNdwOqEFaaGTbe9C7987Ud1vGwle7QmG1VyY4J8lY/TdG Hz1KrhiR2VF3PgaJgWA7aYn2/wow3nQJw5Zpf+4ur7QC/GoO10L6Erbj2E1Ib7mtMiY+ v17Q== X-Gm-Message-State: AMCzsaU29JjWQItIuJMa4WctPIrdj6sfHJiCZ6trO4VIvoEyXFYp85Fl 8zJlrHETq4w9pO8MEysPp2sD2jI1Bgyz2/9KUVaTyA== X-Google-Smtp-Source: ABhQp+SYSTnv7ejmNBUgoPqlNh/hTeXbpWgEILCWEHKkcuUHsA7gMDwcPz8+8B0VdOEygOhmf7UD5ssWsGhHONmaeLA= X-Received: by 10.37.6.85 with SMTP id 82mr8952471ybg.308.1508788187655; Mon, 23 Oct 2017 12:49:47 -0700 (PDT) MIME-Version: 1.0 Received: by 10.13.219.143 with HTTP; Mon, 23 Oct 2017 12:49:47 -0700 (PDT) In-Reply-To: <802b703b400e1abc4f9fb2845acb23e0.squirrel@webmail.harte-lyne.ca> References: <809ce5c30945a6659ef1ab5ea592fb80.squirrel@webmail.harte-lyne.ca> <802b703b400e1abc4f9fb2845acb23e0.squirrel@webmail.harte-lyne.ca> From: Ultima Date: Mon, 23 Oct 2017 12:49:47 -0700 Message-ID: Subject: Re: snapshots contain no data. To: byrnejb@harte-lyne.ca Cc: FreeBSD Mailing List Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Oct 2017 19:49:49 -0000 Probably means the snapshot is already mounted, have not seen this error in any other case when mounting zfs snapshots. I'm not too familiar with using snapdir=visible property though. On Mon, Oct 23, 2017 at 12:30 PM, James B. Byrne wrote: > > On Mon, October 23, 2017 15:19, Ultima wrote: > > Hello James, > > > > I'm not really sure what your expecting to see with ls, but I'll give > > you some tips and hopefully it will help. > > The examples I could find respecting searching for a file in a > snapshot never seemed to manage to note that one first must mount a > snapshot before doing anything with it; and I somehow overlooked that > significant detail in my other readings. > > > > > These snapshots can be mounted like so: > > "mount -t zfs zroot@SNAPSHOT /mnt" replace SNAPSHOT with a actual > > snapshot, in this case something like 2017-10-10_12.10.00--14d should > > work. > > > > mount -t zfs zroot@2017-10-10_11.10.00--14d /mnt/snapshot > mount: zroot@2017-10-10_11.10.00--14d: Device busy > > What does this mean, besides the patently obvious, and how it is > resolved? What I am trying to do is retrieve one file from the > initial snapshot. > > > -- > *** e-Mail is NOT a SECURE channel *** > Do NOT transmit sensitive data via e-Mail > Do NOT open attachments nor follow links sent by e-Mail > > James B. Byrne mailto:ByrneJB@Harte-Lyne.ca > Harte & Lyne Limited http://www.harte-lyne.ca > 9 Brockley Drive vox: +1 905 561 1241 > Hamilton, Ontario fax: +1 905 561 0757 > Canada L8E 3C3 > >