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Date:      Thu, 21 Nov 2019 08:18:24 -0600
From:      Eric Borisch <eborisch@gmail.com>
To:        Borja Marcos <borjam@sarenet.es>
Cc:        Martin Simmons <martin@lispworks.com>, freebsd-fs <freebsd-fs@freebsd.org>
Subject:   Re: ZFS snapdir readability (Crosspost)
Message-ID:  <CAMsT2=nBEiaiBNMD9_j1JNBwDueq8anOa2rtO_jPFoRcm0_uDA@mail.gmail.com>
In-Reply-To: <462E2C53-2490-4B8C-BB54-BCE8B75BAEB0@sarenet.es>
References:  <20191107004635.c6d2e7d464d3d556a0d87465@magnetkern.de> <CAOtMX2huHZcXHH%2B=3Bx7hX_p9udJ2acOX%2BZL8vW=pjqbe6mOAA@mail.gmail.com> <e2eecef7-21b6-0ff2-b259-71421b7d097c@sentex.net> <9B22AD46-BE87-4305-9638-74D23AD4C8CA@sarenet.es> <cfcc12dd-e9eb-5a98-a031-ab18436a2dd3@sentex.net> <261FE331-EC5C-48C8-9249-9BCBF887CE38@sarenet.es> <913f7040-6e38-452d-6187-e17fae63b652@sentex.net> <20191120144041.7f916360dc0c69bf509c9bd1@magnetkern.de> <AEF4CA02-36B3-42FC-BE92-14DF0AF99540@sarenet.es> <20191120163437.691abd369ab9c0a6d7d45ff2@magnetkern.de> <CF38B478-3638-4C18-B69F-E589DE9BBB95@sarenet.es> <20191120175803.03401c3316fe756cc46f79f1@magnetkern.de> <3C5DC6DD-C44B-41EE-B7AB-6D8F94E43174@sarenet.es> <201911211259.xALCxShX008743@higson.cam.lispworks.com> <462E2C53-2490-4B8C-BB54-BCE8B75BAEB0@sarenet.es>

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On Thu, Nov 21, 2019 at 7:46 AM Borja Marcos <borjam@sarenet.es> wrote:

> > On 21 Nov 2019, at 13:59, Martin Simmons <martin@lispworks.com> wrote:
> > I think that is incorrect.  You can mount a snapshot on /mnt like this:
> >
> > /sbin/mount -t zfs filesystem@snapname /mnt
>
> I=E2=80=99ve never seen that and, indeed, on FreeBSD 12.1 it=E2=80=99s no=
t possible. Or I
> am terribly
> sloppy today!
>
> Did I miss anything? Is it a new ZFS on Linux feature?
>

In a quick test, this works both on Linux and on FreeBSD running ZoF
(2019101600).
  - Eric



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