HELPLIB.HLB  —  MOUNT
command to take effect. The proposed members are either specified in the command line or found on the disk by means of the /INCLUDE qualifier. The behavior, without this qualifier, is that if one or more members is not accessible for any reason (such as a connectivity failure), then the virtual unit will be created with the members that are accessible. This option is especially useful in the recovery of disaster-tolerant clusters because it ensures that the correct membership is selected after an event. [NO]VERIFY_ Require that any member that is going to be added LABEL to the shadow set must have a volume label of 'SCRATCH_DISK'. This will help insure that the wrong disk is not added to a shadow set by mistake. If VERIFY_ LABEL is going to be used, then the disk that is going to be added to the set must be either initialized with the label 'SCRATCH_DISK' or a SET VOLUME/LABEL must be performed. The default behavior is NOVERIFY_LABEL, which indicates that the volume label of the copy targets will not be checked.

2.27    /PROCESSOR

       /PROCESSOR=keyword

    For magnetic tapes and Files-11 Structure Level 1 disks, requests
    that the MOUNT command associate an ancillary control process
    (ACP) to process the volume. The /PROCESSOR qualifier causes
    MOUNT to override the default manner in which ACPs are associated
    with devices.

    For Files-11 Structure Levels 2 and 5 disks, controls block cache
    allocation.

    The following table lists the keywords for this qualifier:

    Keyword       Description

    UNIQUE        Creates a new process to execute the default
                  ancillary control process (ACP) image supporting
                  the magnetic tape, Files-11 ODS-1, ISO 9660, or
                  High Sierra formatted media being mounted.

                  For Files-11 Structure Levels 2 and 5 disks,
                  allocates a separate block cache.

    SAME:device   Uses an existing process that is executing the same
                  ACP image supporting the magnetic tape, Files-11
                  ODS-1, ISO 9660, or High Sierra formatted media
                  being mounted.

                  For Files-11 Structure Levels 2 and 5 disks, takes
                  the block cache allocation from the specified
                  device.

    file-spec     Creates a new process to execute the ACP image
                  specified by the file specification (for example,
                  a modified or a user-written ACP). You cannot use
                  wildcard characters, or node and directory names in
                  the file specification.

                  To use this keyword, you need CMKRNL and OPER
                  privileges.

                  You must have the operator user privilege OPER to
                  use the /PROCESSOR qualifier.

    Example

    The following command directs MOUNT to mount a magnetic tape on
    MFA0 using the same ACP process currently associated with MTA1:

    $ MOUNT/PROCESSOR=SAME:MTA1: MFA0:

2.28    /PROTECTION

       /PROTECTION=keyword

    Specifies the protection code to be assigned to the volume.

    The following table describes the keywords for this qualifier:

    Keyword       Description

    protection    Specifies the protection code according to
    code          the standard syntax rules for specifying user
                  protection (that is, system/owner/group/world).
                  If you omit a protection category, that category of
                  user is denied all access.

                  If you do not specify a protection code, the
                  default is the protection that was assigned to
                  the volume when it was initialized.

    XAR           Enables enforcement of the extended record
                  attribute (XAR) access controls. For more
                  information about XAR, see the OpenVMS Record
                  Management Services Reference Manual.

    DSI           Enables XAR permissions Owner and Group for XARs
                  containing Digital System Identifiers (DSI). For
                  more information, see the OpenVMS Record Management
                  Services Reference Manual.

    If you specify the /PROTECTION qualifier when you mount a volume
    with the /SYSTEM or /GROUP qualifier, the specified protection
    code overrides any access rights implied by the other qualifiers.

    If you specify the /FOREIGN qualifier, the execute (E) or create
    (C) and delete (D) access codes are synonyms for logical I/O (L)
    and physical I/O (P). You can, however, specify the access codes
    physical I/O (P) or logical I/O (L), or both, to restrict the
    nature of input/output operations that different user categories
    can perform.

    To use the /PROTECTION qualifier on a Files-11 volume, you must
    have the user privilege VOLPRO or your UIC must match the UIC
    written on the volume.

    Example

    The following command mounts a device labeled WORKDISK on DKA1
    and assigns a protection code. Access to the volume will be read,
    write, and create for system users; read, write, create, and
    delete for owner; read and create for group users; and read-only
    for users in the world category.

    $ MOUNT/PROTECTION=(SYSTEM:RWE,O:RWED,G:RE,W:R) DKA1: WORKDISK

2.29    /QUOTA

       /QUOTA (default)
       /NOQUOTA

    Controls whether quotas are to be enforced on the specified disk
    volume.

    The default is /QUOTA, which enforces the quotas for each user.
    The /NOQUOTA qualifier inhibits this checking. To specify the
    /QUOTA qualifier, you must have the user privilege VOLPRO or your
    UIC must match the UIC written on the volume.

    Example

    The following command specifies that the disk volume labeled WORK
    on DRA3 has an owner UIC of [016,360] and no quotas enforced:

    $ MOUNT/OWNER_UIC=[016,360]/NOQUOTA DRA3: WORK

2.30    /REBUILD

       /REBUILD (default)
       /NOREBUILD

    Controls whether or not MOUNT performs a rebuild operation on a
    disk volume.

    If a disk volume is improperly dismounted (such as during a
    system failure), you must rebuild it to recover any caching
    limits that were enabled on the volume at the time of the
    dismount. By default, MOUNT attempts the rebuild. For a
    successful rebuild operation that includes reclaiming all of
    the available free space, you must mount all of the volume set
    members.

    The rebuild may consume a considerable amount of time, depending
    on the number of files on the volume and, if quotas are in use,
    on the number of different file owners.

    The following caches may have been in effect on the volume before
    it was dismounted:

    o  Preallocated free space (EXTENT cache)

    o  Preallocated file numbers (FILE_ID cache)

    o  Disk quota usage caching (QUOTA cache)

    If caching was in effect for preallocated free space or file
    numbers, the rebuild time is directly proportional to the
    greatest number of files that ever existed on the volume at
    one time. If disk quota caching was in effect, you can expect
    additional time that is proportional to the square of the number
    of entries in the disk quota file.

    If none of these items were in effect, the rebuild is not
    necessary and does not occur.

    If you use the /NOREBUILD qualifier, devices can be returned to
    active use immediately. You can then perform the rebuild later
    with the DCL command SET VOLUME/REBUILD.

    For information about how to rebuild the system disk, see the VSI
    OpenVMS System Manager's Manual.

    Examples

    In this example, the volume WORKDISK is mounted on NODE$DKA2.
    Because the volume is found to have been improperly dismounted
    and the /REBUILD qualifier is in effect, MOUNT displays a message
    and proceeds to rebuild the volume.

    $ MOUNT/REBUILD NODE$DKA2: WORKDISK
    %MOUNT-I-MOUNTED, WORKDISK         mounted on _NODE$DKA2:
    %MOUNT-I-REBUILD, volume was improperly dismounted; rebuild in
    progress

    In this example, the volume WORKDISK is found to have been
    improperly dismounted, but because the /NOREBUILD qualifier is
    specified, a rebuild is not performed. Instead, MOUNT displays a
    message to inform you that the rebuild is needed, and proceeds to
    make WORKDISK available for use as is. You can rebuild the volume
    later with the DCL command SET VOLUME/REBUILD.

    $ MOUNT/NOREBUILD NODE$DKA2: WORKDISK
    %MOUNT-I-MOUNTED, WORKDISK          mounted on _NODE$DKA2:
    %MOUNT-I-REBLDREQD, rebuild not performed; some free space
    unavailable; diskquota usage stale

2.31    /RECORDSIZE

       /RECORDSIZE=n

    Specifies the number of characters in each record of a magnetic
    tape volume.

    The parameter, n, specifies the block size in the range 20 to
    65,532 bytes if you are using OpenVMS RMS, or 18 to 65,534 bytes
    if you are not using OpenVMS RMS.

    You typically use this qualifier with the /FOREIGN and /BLOCKSIZE
    qualifiers to read or write fixed-length records on a block-
    structured device. In this case, the record size must be less
    than or equal to the block size specified or used by default.

    Use the /RECORDSIZE qualifier when mounting magnetic tapes
    without HDR2 labels (such as RT-11 magnetic tapes) to provide
    OpenVMS RMS with default values for the maximum record size.

    Example

    In the following example, the magnetic tape is mounted on MTA0
    with a default block size and record size of 512 characters:

    $ MOUNT/FOREIGN/BLOCKSIZE=512/RECORDSIZE=512 MTA0:

2.32    /SHADOW

    Binds up to three physical devices into a shadow set represented
    by the virtual unit named in the command. This qualifier is
    applicable only if you have the volume shadowing option. See
    the VSI Volume Shadowing for OpenVMS for additional information.

    The format of this qualifier is:

    (virtual-unit-name[:] /SHADOW=(physical-device-name[:][,...]))

    This qualifier indicates that you are mounting a shadow set
    including the physical devices and the virtual unit that
    represents them to the system. This qualifier instructs MOUNT
    to expect a virtual unit name as the device-name parameter. Place
    the /SHADOW qualifier after the virtual-unit-name parameter.

    Use the virtual unit naming format DSAn, where n is a unique
    number from 0 to 9999. For the physical-device-name, use the
    standard device-naming format $allocation-class$ddcu[:].

    Examples

    The following example shows how to create a shadow set wherein
    the software determines automatically the correct copy operation
    for the two shadow set members. In this case, $1$DUA10 is the
    more current volume and becomes the source of the copy operation
    to $1$DUA11.

    $ MOUNT DSA0: /SHADOW=($1$DUA10:,$1$DUA11:) SHADOWVOL
    %MOUNT-I-MOUNTED, SHADOWVOL mounted on DSA0:
    %MOUNT-I-SHDWMEMSUCC, _$1$DUA10: (MEMBER1) is now a valid member of
    the shadow set
    %MOUNT-I-SHDWMEMCOPY, _$1$DUA11: (MEMBER2) added to the shadow set
    with a copy operation

    The following command creates a volume set with the logical name
    TEST3013. The volume set TEST3013 is not shadowed. However, each
    element of the volume set (TEST3011 and TEST3012) is a shadow
    set, providing redundancy for the volume set as a whole.

    $ MOUNT/BIND=TEST3013 DSA3011/SHADOW=($1$DUA402:,$1$DUA403:),
    DSA3012/SHADOW=($1$DUA404:,$1$DUA405:) TEST3011,TEST3012 TEST3013

2.33    /SHARE

       /SHARE
       /NOSHARE

    Specifies, for a disk volume, that the volume is shareable.

    If another user has already mounted the volume shareable, and
    you request it to be mounted with the /SHARE qualifier, any other
    qualifiers you enter are ignored.

    By default, a volume is not shareable, and the MOUNT command
    allocates the device on which it is mounted.

    If you previously allocated the device and specify the /SHARE
    qualifier, the MOUNT command deallocates the device so that other
    users can access it.

    The /SHARE qualifier is incompatible with the /GROUP and /SYSTEM
    qualifiers.

    Example

    The following command mounts the device labeled SLIP on DLA0,
    disables broadcasting of MOUNT messages, specifies that the
    volume is shareable, and assigns the logical name DISC:

    $ MOUNT/NOMESSAGE/SHARE DLA0: SLIP DISC

2.34    /SUBSYSTEM

       /SUBSYSTEM
       /NOSUBSYSTEM

    Enables protected subsystems and the processing of subsystem
    ACEs. Requires the SECURITY privilege.

    By default, the disk from which you boot has /SUBSYSTEM enabled
    but other disks do not. For further details on subsystems, see
    the VSI OpenVMS Guide to System Security.

    Example

    The following command mounts the volume labeled SLIP on DUA1 with
    mount messages disabled. Subsystems on the volume are accessible.
    MOUNT also assigns the logical name SACH.

    $ MOUNT/NOMESSAGE/SUBSYSTEM DUA1: SLIP SACH

2.35    /SYSTEM

    Makes the volume public; that is, available to all users of the
    system, as long as the UIC-based volume protection allows them
    access.

    The logical name for the device is placed in the system logical
    name table. You must have the user privilege SYSNAM to use the
    /SYSTEM qualifier.

    When you mount a volume with the /SYSTEM qualifier in a
    VMScluster system, you must use a volume label that is unique
    clusterwide, even if the specified volume is not mounted
    clusterwide.

    The /SYSTEM qualifier is incompatible with the /GROUP,
    /OVERRIDE=IDENTIFICATION, and /SHARE qualifiers.

    Examples

    The following command mounts the volume labeled SLIP on DUA1 with
    mount messages disabled. The volume is made available systemwide.
    MOUNT also assigns the logical name SACH.

    $ MOUNT/NOMESSAGE/SYSTEM DUA1: SLIP SACH

    The following command creates the volume set named MASTER_PAY
    consisting of the initialized volumes labeled PAYVOL1, PAYVOL2,
    and PAYVOL3. These volumes are mounted physically on the devices
    named DB1, DB2, and DB3, respectively. The volume PAYVOL1 is the
    root volume of the set.

    The volumes are mounted as system volumes to make them available
    to all users.

    $ MOUNT/SYSTEM/BIND=MASTER_PAY -
    _$ DB1:,DB2:,DB3:     PAYVOL1,PAYVOL2,PAYVOL3

2.36    /UCS_SEQUENCE

       /UCS_SEQUENCE=escape_sequence

    Supplies the escape sequence to select the coded graphic
    character set, a requirement when mounting an ISO 9660 volume
    for one of the Supplementary Volume Descriptors (SVDs).

    The parameter, escape_sequence, is a character sequence defined
    by the vendor who mastered the CD-ROM and is unique to the
    vendor's character set conversion tables.

    Use the /UCS_SEQUENCE qualifier when mounting an ISO 9660 CD-ROM
    that contains non-ASCII character sets on OpenVMS.

    An ISO 9660 volume may contain an SVD that specifies a graphic
    character set. This graphic character, when selected at mount
    time, is used as default character set when displaying a volume's
    directories and file names.

    The /UCS_SEQUENCE qualifier defines the escape sequence to select
    the coded graphic character set.

    All ISO 9660 volumes contain a Primary Volume Descriptor (PVD)
    that uses ASCII (ISO 646-IRV) as the character set. Both ISO 9660
    and OpenVMS file naming conventions use the same subset of ASCII
    characters when displaying a volume's directories and file names.

2.37    /UNDEFINED_FAT

       /UNDEFINED_FAT=record-format:[record-attributes:][record-size]

    Establishes default file attributes to be used for records on ISO
    9660 media for which no record format has been specified.

    The following table describes the parameters:

    Parameter     Description

    record-       Specifies the format for all records in a file:
    format        FIXED, VARIABLE, STREAM, STREAM_LF, STREAM_CR, LSB_
                  VARIABLE, or MSB_VARIABLE. For a description of
                  these record formats, see the discussion of the RMS
                  field FAB$B_RFM in the OpenVMS Record Management
                  Services Reference Manual.

    record-       Specifies the attributes for all records in a file:
    attributes    NONE, CR, FTN, PRN, NOBKS. Applies only to non-
                  STREAM record formats. For a description of these
                  record attributes, see the discussion of the RMS
                  field FAB$B_RAT in the OpenVMS Record Management
                  Services Reference Manual.

    record-size   Specifies the maximum record size for all records
                  in a file: 0 to 32767. Applies only to FIXED
                  or STREAM record formats. For a description of
                  possible RMS record sizes, see the discussion
                  of the RMS field FAB$W_MRS in the OpenVMS Record
                  Management Services Reference Manual.

    ISO 9660 media can be mastered from platforms that do not support
    semantics of files containing predefined record formats. The
    /UNDEFINED_FAT qualifier establishes default file attributes to
    be used for records on ISO 9660 media for which no record format
    has been specified.

    The /UNDEFINED_FAT qualifier is valid only in conjunction with
    the /MEDIA_FORMAT=CDROM qualifier.

    This qualifier temporarily overrides all undefined file types,
    replacing them with selectable record formats having selectable
    record attributes and selectable record sizes as shown in the
    following illustration:

                   { FIXED:record-attributes[, . . . ]:record-size}
                   { VARIABLE:record-attributes[, . . . ]         }
                   { STREAM:record-size                           }
    record formats {                                              }
                   { STREAM_LF:record-size                        }
                   { STREAM_CR:record-size                        }
                   { LSB_VARIABLE:record-attributes[, . . . ]     }
                   {                                              }
                      { NONE - None           }
                      { CR - Carriage_return  }
    record_attributes { FTN - Fortran         }
                      { PRN - Print           }
                      {                       }
                      { NOBKS - No-Block-Span }

    record_size { 1 to 32767 }

    Example

    In the following example, the volume labeled OFFENS is mounted on
    DKA1 and all files on the volume are defined to be fixed length,
    carriage return, and 80 bytes in length. MOUNT also assigns the
    logical name STRAT.

    $ MOUNT/MEDIA_FORMAT=CDROM/UNDEFINED_FAT=(FIXED:CR:80) DKA1: OFFENS STRAT

2.38    /UNLOAD

       /UNLOAD (default)
       /NOUNLOAD

    Controls whether or not the disk or magnetic tape volume or
    volumes specified in the MOUNT command are unloaded when they
    are dismounted.

    Example

    In the following example, the volume labeled OFFENS is mounted
    on DKA1 with the /NOUNLOAD qualifier so that it can be dismounted
    without being physically unloaded. MOUNT also assigns the logical
    name STRAT.

    $ MOUNT/NOUNLOAD DKA1: OFFENS STRAT

2.39    /WINDOWS

       /WINDOWS=n

    Specifies the number of mapping pointers to be allocated for file
    windows.

    The parameter, n, specifies a value from 7 to 80 that overrides
    the default value specified when the volume was initialized.

    When a file is opened, the file system uses the mapping pointers
    to access data in the file. Use MOUNT/WINDOWS to override the
    default value specified when the volume was initialized. If no
    value was specified at volume initialization, the default number
    of mapping pointers is 7.

    You must have the operator user privilege (OPER) to use the
    /WINDOWS qualifier.

    Example

    The following command makes the volume labeled GONWITH on DKA2
    available systemwide and assigns the logical name THE_WINDOW. You
    override the default number of mapping pointers by specifying a
    value of 25 for the /WINDOWS qualifier.

    $ MOUNT/SYSTEM/WINDOWS=25 DKA2: GONWITH THE_WINDOW

2.40    /WRITE

       /WRITE (default)
       /NOWRITE

    Controls whether the volume can be written.

    By default, a volume is considered read/write when it is mounted.
    You can specify /NOWRITE to provide read-only access to protect
    files. This is equivalent to write-locking the device.

    For host-based volume shadowing devices, there are other
    considerations. See the VSI Volume Shadowing for OpenVMS manual
    for more information.

    Example

    The following command mounts a volume labeled BOOKS on NODE$DKA1
    and then proceeds to mount it on each node in the existing
    OpenVMS Cluster. The /NOWRITE qualifier makes the volume
    available for read-only access.

    $ MOUNT/CLUSTER/NOWRITE NODE$DKA1: BOOKS

3  –  Examples

      For examples 1 and 2, operator assistance is not required,
      assuming the volumes are in the drives. Examples 3 to 6
      describe operator-assisted mounts. Examples 7 and 8 describe
      mounting ISO 9660 CD-ROM volume sets, example 9 makes
      subsystems on a volume accessible, and example 10 demonstrates
      mounting a shadow set.

    1.$ MOUNT MTA0: MATH06 STAT_TAPE
      %MOUNT-I-MOUNTED, MATH06 mounted on _MTA0:
      $ COPY   ST061178.DAT   STAT_TAPE:

      This MOUNT command requests the magnetic tape whose volume
      label is MATH06 to be mounted on the device MTA0 and assigns
      the logical name STAT_TAPE to the volume.

      Subsequently, the COPY command copies the disk file
      ST061178.DAT to the magnetic tape.

    2.$ ALLOCATE DM:
      %DCL-I-ALLOC, _DMB2:  allocated
      $ MOUNT DMB2:  TEST_FILES
      %MOUNT-I-MOUNTED, TEST_FILES mounted on _DMB2:

      This ALLOCATE command requests an available RK06/RK07 device.
      After the response from the ALLOCATE command, the physical
      volume can be placed on the allocated device. Then, the MOUNT
      command mounts the volume.

    3.$ MOUNT DM:  TEST_FILES
      %MOUNT-I-OPRQST, Please mount volume TEST_FILES in device _DMB2:
      %MOUNT-I-MOUNTED, TEST_FILES mounted on _DMB2:

      This example achieves the same result as the series of commands
      in the preceding example. The MOUNT command requests an
      available RK06/RK07 device for the volume labeled TEST_FILES.
      After the volume is physically mounted in the device named in
      the response from MOUNT, the system completes the operation.
      Note that the device is automatically allocated by MOUNT.

    4.$ MOUNT DYA1:  TESTSYS
      %MOUNT-I-OPRQST, Please mount volume TESTSYS in device DYA1:
 <Ctrl/Y>

      $ EXIT
      %MOUNT-I-OPRQSTCAN, operator request canceled

      This MOUNT command requests the operator to mount the volume
      TESTSYS on the device DYA1. In this example, the user cancels
      the mount by pressing Ctrl/Y. Notice that the image must exit
      before the mount request is actually canceled. Here, the EXIT
      command causes the image to exit. However, any command that is
      not performed within the command interpreter causes the current
      image to exit.

    5.$ MOUNT DYA1:  TESTSYS
      %MOUNT-I-OPRQST, Device _DYA1: is not available for mounting.
      %MOUNT-I-OPRQSTCAN, operator request canceled
      %MOUNT-I-OPRQST, Please mount volume TESTSYS in device _DYA1:
      %MOUNT-I-MOUNTED, TESTSYS    mounted on _DYA1:
      %MOUNT-I-OPRQSTDON, operator request canceled - mount
      completed successfully

      This MOUNT command requests the operator to mount the volume
      TESTSYS on the device DYA1. Because DYA1 is allocated to
      another user, the device cannot be mounted. In this case, the
      user can wait for the device to become available, redirect the
      mount to another device, or abort the mount. Here, the user
      remains in operator-assisted mount waiting for the process that
      is using the device to deallocate it.

      At this point, because the device is available but no volume
      is mounted, the original mount request is canceled, and a
      new request to mount TESTSYS is issued. Finally, the operator
      places the volume in the drive and lets MOUNT retry the mount.
      When the mount completes, the request is canceled.

    6.$ MOUNT DYA1:  TESTSYS/COMMENT="Is there an operator around?"
      %MOUNT-I-OPRQST, Please mount volume TESTSYS in device _DYA1:
      Is there an operator around?
      %MOUNT-I-NOOPR, no operator available to service request
      .
      .
      .
      %MOUNT-I-MOUNTED, TESTSYS    mounted on _DYA1:
      %MOUNT-I-OPRQSTDON, operator request canceled - mount
      completed successfully

      This MOUNT command requests the operator to mount the volume
      TESTSYS on the device DYA1. In this example, no operator is
      available to service the request. At this point, the user can
      abort the mount by pressing Ctrl/Y, or wait for an operator.
      Here, the user waited, and an operator eventually became
      available to service the request.

    7.$ MOUNT/SYSTEM/MEDIA=CDROM $1$DKA1 USER
      %MOUNT-I-CDROM_ISO, USER:VMS_ONLINE_DOCUMENTATION (1 of 4) ,
      mounted on _$1$DKA1: (CDROM)

      $ MOUNT/SYSTEM/MEDIA=CDROM $1$DKA2 PROGRAMMING_1
      %MOUNT-I-CDROM_ISO, PROGRAMMING_1:VMS_ONLINE_DOCUMENTATION (2 of 4) ,
      mounted on  _$1$DKA2: (CDROM)

      $  MOUNT/SYSTEM/MEDIA=CDROM $1$DKA3 PROGRAMMING_2
      %MOUNT-I-CDROM_ISO, PROGRAMMING_2:VMS_ONLINE_DOCUMENTATION (3 of 4) ,
      mounted on  _$1$DKA3: (CDROM)

      MOUNT/SYSTEM/MEDIA=CDROM $1$DKA4 MANAGEMENT
      %MOUNT-I-CDROM_ISO, MANAGEMENT:VMS_ONLINE_DOCUMENTATION (4 of 4) ,
      mounted on  _$1$DKA4: (CDROM)

      These commands mount each member of a four-member ISO 9660
      volume set whose volume-set name is VMS_ONLINE_DOCUMENTATION.

    8.$ MOUNT/SYSTEM/MEDIA=CDROM $1$DKA1,$1$DKA2,$1$DKA3,$1$DKA4
      USER,PROGRAMMING_1,PROGRAMMING_2,MANAGEMENT
      %MOUNT-I-CDROM_ISO, USER:VMS_ONLINE_DOCUMENTATION (1 of 4) , mounted on
      _$1$DKA1: (CDROM)
      %MOUNT-I-CDROM_ISO, PROGRAMMING_1:VMS_ONLINE_DOCUMENTATION (2 of 4) ,
      mounted on  _$1$DKA2: (CDROM)
      %MOUNT-I-CDROM_ISO, PROGRAMMING_2:VMS_ONLINE_DOCUMENTATION (3 of 4) ,
      mounted on  _$1$DKA3: (CDROM)
      %MOUNT-I-CDROM_ISO, MANAGEMENT:VMS_ONLINE_DOCUMENTATION (4 of 4) ,
      mounted on  _$1$DKA4: (CDROM)

      This command mounts four members of an ISO 9660 volume set
      whose volume set name is VMS_ONLINE_DOCUMENTATION.

    9.$ MOUNT/SYSTEM/SUBSYSTEM $8$DKA300: ATLANTIS_WORK1
      %MOUNT-I-MOUNTED, ATLANTIS_WORK1 mounted on _$8$DKA300: (ATLANTIS)
      $ SHOW DEVICE/FULL $8$DKA300:

      Disk $8$DKA300: (ATLANTIS), device type RZ24, is online, mounted,
       file-oriented device, shareable, served to cluster via MSCP Server,
       error logging is enabled.

       Error count                 0  Operations completed                385
       Owner process              ""  Owner UIC                      [SYSTEM]
       Owner process ID     00000000  Dev Prot            S:RWPL,O:RWPL,G:R,W
       Reference count             1  Default buffer size                 512
       Total blocks           409792  Sectors per track                    38
       Total cylinders          1348  Tracks per cylinder                   8
       Allocation class            8

       Volume label "ATLANTIS_WORK1"  Relative volume number                0
       Cluster size                3  Transaction count                     1
       Free blocks            396798  Maximum files allowed             51224
       Extend quantity             5  Mount count                           1
       Mount status           System  Cache name        "_$8$DKA700:XQPCACHE"
       Extent cache size          64  Maximum blocks in extent cache    39679
       File ID cache size         64  Blocks currently in extent cache      0
       Quota cache size           50  Maximum buffers in FCP cache        295
       Volume owner UIC  [VMS,PLATO]  Vol Prot    S:RWCD,O:RWCD,G:RWCD,W:RWCD

      Volume status: ODS-2, subject to mount verification, protected
      subsystems enabled, file high-water marking,
      write-through caching enabled.

      The MOUNT command mounts a volume labeled ATLANTIS_WORK1,
      which is available systemwide. Subsystems on the volume are
      accessible.

    10$ MOUNT DSA0: /SHADOW=($200$DKA200:,$200$DKA300:,$200$DKA400:) X5OZCOPY
      %MOUNT-I-MOUNTED, X5OZCOPY mounted on _DSA0:
      %MOUNT-I-SHDWMEMSUCC, _$200$DKA200: (VIPER1) is now a valid member of
      the shadow set
      %MOUNT-I-SHDWMEMSUCC, _$200$DKA300: (VIPER1) is now a valid member of
      the shadow set
      %MOUNT-I-SHDWMEMSUCC, _$200$DKA400: (VIPER1) is now a valid member of
      the shadow set
      $ DISMOUNT DSA0:
      $ MOUNT/INCLUDE DSA0: /SHADOW=$200$DKA200: X5OXCOPY
      %MOUNT-I-MOUNTED, X5OZCOPY mounted on _DSA0:
      %MOUNT-I-SHDWMEMSUCC, _$200$DKA200: (VIPER1) is now a valid member of
      the shadow set
      %MOUNT-I-AUTOMEMSUCC, _$200$DKA300: (VIPER1) automatically added to the
      shadow set
      %MOUNT-I-AUTOMEMSUCC, _$200$DKA400: (VIPER1) automatically added to the
      shadow set

      In this example, an existing shadow set is mounted in two ways.
      The first MOUNT command specifies each member of the shadow set
      with the /SHADOW qualifier. Then, after DSA0: is dismounted,
      the second MOUNT command uses the /INCLUDE qualifier to
      automatically mount all members of the shadow set.
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