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

1.1     ! root        1: .th RESTOR VIII 11/24/73
        !             2: .sh NAME
        !             3: restor \*- incremental file system restore
        !             4: .sh SYNOPSIS
        !             5: .bd restor
        !             6: key [ arguments ]
        !             7: .sh DESCRIPTION
        !             8: .it Restor
        !             9: is used to read magtapes dumped with the
        !            10: .it dump
        !            11: command.
        !            12: The
        !            13: .it key
        !            14: argument specifies what is to be done.
        !            15: .it Key
        !            16: is a character from the set
        !            17: .bd trxw.
        !            18: .s3
        !            19: .lp +5 3
        !            20: \fBt\fR        The date that the tape was made and the date that
        !            21: was specified in the
        !            22: .it dump
        !            23: command are printed.
        !            24: A list of all of the i-numbers on the tape
        !            25: are also given.
        !            26: .s3
        !            27: .lp +5 3
        !            28: \fBr\fR        The tape
        !            29: is read and loaded into the file system
        !            30: specified in
        !            31: .it arguments.
        !            32: This should not be done lightly (see below).
        !            33: .s3
        !            34: .lp +5 3
        !            35: \fBx\fR        Each file on the
        !            36: tape is individually extracted into
        !            37: a file whose name is the file's i-number.
        !            38: If
        !            39: there are
        !            40: .it arguments,
        !            41: they are interpreted as i-numbers and only they are
        !            42: extracted.
        !            43: .s3
        !            44: .lp +5 3
        !            45: \fBw\fR        In conjunction with the
        !            46: .bd x
        !            47: option,
        !            48: before each file is extracted,
        !            49: its i-number is typed out.
        !            50: To extract this file,
        !            51: you must respond with
        !            52: .bd y.
        !            53: .s3
        !            54: .i0
        !            55: The
        !            56: .bd r
        !            57: option should only be used to restore
        !            58: a complete dump tape onto a clear file system
        !            59: or to restore an incremental dump tape onto this.
        !            60: Thus
        !            61: .s3
        !            62:        /etc/mkfs /dev/rp0 40600
        !            63: .br
        !            64:        restor r /dev/rp0
        !            65: .s3
        !            66: is a typical sequence to restore a complete dump.
        !            67: Another
        !            68: .it restor
        !            69: can be done to get an incremental dump
        !            70: in on top of this.
        !            71: .s3
        !            72: A
        !            73: .it dump
        !            74: followed by a
        !            75: .it mkfs
        !            76: and a
        !            77: .it restor
        !            78: is used to
        !            79: change the size of a file system.
        !            80: .sh FILES
        !            81: /dev/mt0
        !            82: .sh "SEE ALSO"
        !            83: dump, mkfs, check, clri (VIII)
        !            84: .sh DIAGNOSTICS
        !            85: There are various diagnostics
        !            86: involved with reading the tape and writing the disk.
        !            87: There are also diagnostics if the i-list or the free list
        !            88: of the file system is not large enough to hold the dump.
        !            89: .sh BUGS
        !            90: There is redundant information on the tape
        !            91: that could be used in case of tape reading problems.
        !            92: Unfortunately,
        !            93: .it restor's
        !            94: approach is to exit if anything is wrong.
        !            95: .s3
        !            96: Files that have been deleted are
        !            97: not removed when incremental tapes are loaded.
        !            98: It will be necessary to
        !            99: .it check
        !           100: the restored file system and
        !           101: .it clri
        !           102: any files that show up with
        !           103: a 201 delta diagnostic.
        !           104: .s3
        !           105: The current version of
        !           106: .it restor
        !           107: does not free space occupied
        !           108: by files that are overwritten.
        !           109: Thus a
        !           110: .it check
        !           111: will have to be performed to reclain the missing
        !           112: space.

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