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(-)b/sbin/mksnap_ffs/mksnap_ffs.8 (-3 / +20 lines)
Lines 48-53 The Link Here
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.Nm
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.Nm
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utility creates a snapshot named
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utility creates a snapshot named
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.Ar snapshot_name .
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.Ar snapshot_name .
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This name is a path in the file system, typically this is under .snap
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in the root of the file system but it can be anywhere. Snapshots can
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be listed using the
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.Xr snapinfo 8
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command.
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.Pp
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After a snapshot is taken it appears as a file the size of the file
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sysem of which it was taken. It can be moved/renamed or deleted (which
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removes the snapshot).
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.Pp
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.Pp
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The group ownership of the file is set to
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The group ownership of the file is set to
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.Dq Li operator ;
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.Dq Li operator ;
Lines 57-76 The mode of the snapshot is set to be readable by the owner Link Here
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or members of the
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or members of the
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.Dq Li operator
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.Dq Li operator
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group.
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group.
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.Sh EXAMPLES
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.Sh EXAMPLES
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Create a snapshot of
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Create a snapshot of
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.Pa /usr/home
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.Pa /usr/home
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file system and mount the snapshot elsewhere:
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file system and mount the snapshot elsewhere:
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.Bd -literal -offset indent
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.Bd -literal -offset indent
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mksnap_ffs /usr/home/snapshot
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mksnap_ffs /usr/home/.snap/snap1
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mdconfig -a -t vnode -o readonly -f /usr/home/snapshot
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mdconfig -a -t vnode -o readonly -f /usr/home/.snap/snap1
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mount -o ro /dev/md0 /mnt/
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mount -o ro /dev/md0 /mnt/
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.Ed
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.Ed
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Delete a snapshot:
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.Bd -literal -offset indent
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rm /usr/home/.snap/snap1
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.Ed
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.Sh SEE ALSO
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.Sh SEE ALSO
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.Xr rm 1 ,
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.Xr chmod 2 ,
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.Xr chmod 2 ,
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.Xr chown 8 ,
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.Xr chown 8 ,
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.Xr mdconfig 8 ,
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.Xr mdconfig 8 ,
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.Xr mount 8
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.Xr mount 8 ,
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.Xr snapinfo 8
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.Sh HISTORY
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.Sh HISTORY
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The
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The
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.Nm
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.Nm

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