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Annotation of researchv10dc/dist/man/v4/man8/dump.8, revision 1.1

1.1     ! root        1: .th DUMP VIII 11/24/73
        !             2: .sh NAME
        !             3: dump \*- incremental file system dump
        !             4: .sh SYNOPSIS
        !             5: .bd dump
        !             6: [ key [ arguments ] filesystem ]
        !             7: .sh DESCRIPTION
        !             8: .it Dump
        !             9: will make an incremental file system dump
        !            10: on magtape
        !            11: of all files changed after a certain date.
        !            12: The argument
        !            13: .it key,
        !            14: specifies the date and other options about the dump.
        !            15: .it Key
        !            16: consists of characters from
        !            17: the set
        !            18: .bd iu0hds.
        !            19: .s3
        !            20: .lp +5 3
        !            21: \fBi\fR        the
        !            22: dump date is taken from the file
        !            23: .bd /etc/ddate.
        !            24: .s3
        !            25: .lp +5 3
        !            26: \fBu\fR        the date just prior to this dump
        !            27: is written on
        !            28: .bd /etc/ddate
        !            29: upon successful completion of this dump.
        !            30: .s3
        !            31: .lp +5 3
        !            32: \fB0\fR        the dump date is taken as the epoch
        !            33: (beginning of time).
        !            34: Thus this option causes an entire file system dump to be taken.
        !            35: .s3
        !            36: .lp +5 3
        !            37: \fBh\fR        the dump date is some number of hours before the current date.
        !            38: The number of hours is taken from the next argument in
        !            39: .it arguments.
        !            40: .s3
        !            41: .lp +5 3
        !            42: \fBd\fR        the dump date is some number of days before the current date.
        !            43: The number of days is taken from the next argument in
        !            44: .it arguments.
        !            45: .s3
        !            46: .lp +5 3
        !            47: \fBs\fR        the size of the dump tape is specified in feet.
        !            48: The number of feet is taken from the next argument in
        !            49: .it arguments.
        !            50: It is assumed that there are 9 standard UNIX records per foot.
        !            51: When the specified size is reached,
        !            52: the dump will wait for reels to be changed.
        !            53: The default size is 1700 feet.
        !            54: .s3
        !            55: .i0
        !            56: If no arguments are given,
        !            57: the
        !            58: .it key
        !            59: is assumed to be
        !            60: .bd i
        !            61: and the file system is
        !            62: assumed to be
        !            63: .bd /dev/rp1.
        !            64: .s3
        !            65: Full dumps
        !            66: should be taken on quiet file systems as follows:
        !            67: .s3
        !            68:        dump 0u /dev/rp1
        !            69: .br
        !            70:        check -l /dev/rp1
        !            71: .s3
        !            72: The
        !            73: .it check
        !            74: will come in handy in case it is necessary
        !            75: to resore indiviidual files from this dump.
        !            76: Incremental dumps should then be taken
        !            77: when desired by:
        !            78: .s3
        !            79:        dump
        !            80: .s3
        !            81: When the incremental dumps get cumbersome,
        !            82: a new complete dump should be taken.
        !            83: In this way,
        !            84: a restore requires
        !            85: loading of the complete dump tape and only the latest incremental tape.
        !            86: .sh FILES
        !            87: /dev/mt0       magtape
        !            88: .br
        !            89: /dev/rp1       default file system
        !            90: .br
        !            91: /etc/ddate
        !            92: .sh "SEE ALSO"
        !            93: restor, check(VIII), dump(V)
        !            94: .sh BUGS

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