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Date:      Sun, 11 Sep 2022 08:58:54 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 266358] FFS/UFS snapshots: improve documentation for removal (deletion) and unlinking
Message-ID:  <bug-266358-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D266358

            Bug ID: 266358
           Summary: FFS/UFS snapshots: improve documentation for removal
                    (deletion) and unlinking
           Product: Documentation
           Version: Latest
          Hardware: Any
               URL: https://discord.com/channels/727023752348434432/760416
                    197803245591/1018429147741179946
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: Manual Pages
          Assignee: bugs@FreeBSD.org
          Reporter: grahamperrin@freebsd.org
                CC: doc@FreeBSD.org

Manual pages
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Darius in #documentation in Discord observed that neither mksnap_ffs(8) nor
snapinfo(8) leads to information about deletion.=20

<https://www.freebsd.org/cgi/man.cgi?query=3Dmksnap_ffs&sektion=3D8&manpath=
=3DFreeBSD#SEE_ALSO>

<https://www.freebsd.org/cgi/man.cgi?query=3Dsnapinfo&sektion=3D8&manpath=
=3DFreeBSD#SEE_ALSO>

FreeBSD Handbook
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

>From <https://docs.freebsd.org/en/books/handbook/disks/#snapshots>:=20

> ... When a snapshot is no longer required, it can be removed using=20
> rm(1). While snapshots may be removed in any order, all the used space=20
> may not be acquired because another snapshot will possibly claim some of=
=20
> the released blocks.
>=20
> The un-alterable snapshot file flag is set by mksnap_ffs(8) after initial=
=20
> creation of a snapshot file. unlink(1) makes an exception for snapshot=20
> files since it allows them to be removed. ...

<https://www.freebsd.org/cgi/man.cgi?query=3Drm&sektion=3D1&manpath=3DFreeB=
SD>

> rm, unlink -- remove directory entries

--=20
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