Date: Fri, 22 Nov 2019 09:41:52 +0100 From: Borja Marcos <borjam@sarenet.es> To: mike tancsa <mike@sentex.net> Cc: Jan Behrens <jbe-mlist@magnetkern.de>, Martin Simmons <martin@lispworks.com>, freebsd-fs@freebsd.org Subject: Re: ZFS snapdir readability (Crosspost) Message-ID: <ADA12C79-3A2C-41EE-B44B-595364DEE6BF@sarenet.es> In-Reply-To: <e3447f90-931d-6f74-fd13-a0d4fff8b115@sentex.net> 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> <201911211119.xALBJSIW030544@higson.cam.lispworks.com> <20191121174926.17bf250f4c65964620811554@magnetkern.de> <e3447f90-931d-6f74-fd13-a0d4fff8b115@sentex.net>
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> On 21 Nov 2019, at 17:59, mike tancsa <mike@sentex.net> wrote: >=20 > On 11/21/2019 11:49 AM, Jan Behrens wrote: >>=20 >> As far as I know, there is no way to disable having .zfs/snapshot >> readable by everyone, is that correct? >=20 > I believe so. Hence the request to add a zfs feature to add a new > option to snapdir along the lines of >=20 > zfs set snapdir=3Dinaccessible <filesystem> > or > zfs set snapdir=3Drootonly <filesystem> Instead of =E2=80=9Cinaccessible" I would say =E2=80=9Cdisable=E2=80=9D = because it=E2=80=99s not only preventing access. It is preventing an actual action from taking place: the automatic mounting of = the snapshots below .zfs/snapshot. So. =E2=80=9Cdisable=E2=80=9D is more descriptive. What about a third option, =E2=80=9Cowneronly=E2=80=9D? Although I think = it should be controlled by=20 the vfs.usermount property.=20 Borja.
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