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Appendix
B.
VTS
Export
and
Import
Advanced
Function
This
appendix
describes
the
VTS
Export
and
Import
procedures
for
the
3494.
Note:
These
procedures
are
not
used
for
the
TS7700
Virtualization
Engine.
Export
and
Import
List
Volumes
Format
Lists
of
volumes
for
export
or
import
are
provided
to
a
VTS
on
logical
volumes
called
the
Export
List
Volume
or
the
Import
List
Volume,
which
are
resident
in
the
VTS.
The
following
tables
define
the
requirements
of
the
format
for
the
Export
List
Volume
and
Import
List
Volume.
There
are
fields,
records,
or
files
of
the
two
formats,
which
are
similar;
therefore,
only
one
table
for
these
similar
areas
is
shown.
For
example,
the
Import
List
Volume
tables
mention
an
HDR1
table,
which
is
in
the
Export
List
Volume
section.
Sample
JCL
for
preparing
the
Export
List
Volume
and
Import
List
Volume
is
available
in
the
Object
Access
Method
Planning,
Installation,
and
Storage
Administration
Guide
for
Tape
Libraries
.
The
Export
List
Volume
is
an
IBM
Standard
Labeled
tape
volume,
which
is
selected
from
the
logical
volumes
in
the
VTS.
Three
files
are
written
to
the
volume.
The
first
file
contains
logical
volume
-
destination
pair
records
and
is
called
the
Export
List
File.
The
second
file
has
a
minimum
of
one
record
and
is
reserved
for
future
use.
The
third
file
is
the
Export
Status
File,
which
the
host
writes
initially
without
any
data
records.
Upon
the
completion
of
the
Export
operation,
the
VTS
writes
status
file
records
for
each
of
the
logical
volumes
listed
in
the
Export
List
File
indicating
the
processing
results.
The
Import
List
Volume
is
an
IBM
Standard
Labeled
tape
volume,
which
is
selected
from
the
logical
volumes
in
the
VTS.
Two
files
are
written
to
the
volume.
The
first
file
contains
records
that
specify
the
Exported
Stacked
Volumes
and
logical
volume
to
import
or
to
import
all
logical
volumes.
The
second
file
is
the
Import
Status
file,
which
the
host
writes
initially
without
any
data
records.
Upon
completion
of
the
Import
operation,
the
VTS
writes
status
file
records
indicating
the
results
for
each
of
the
logical
volumes
listed
specifically
and
the
logical
volumes
contained
on
an
Exported
Stacked
Volume
listed
when
all
logical
volumes
were
to
be
imported.
Export
List
Volume
Due
to
the
size
of
a
monolithic,
detailed
format
description
for
the
Export
List
Volume,
the
format
is
described
in
hierarchical
form
in
the
tables
that
follow.
Start
with
then
proceed
as
directed
to
the
portions
of
interest.
All
character
fields
within
the
volume
are
in
EBCDIC.
Field
contents
specified
in
quotes
are
EBCDIC
characters.
Compression
must
be
turned
off
when
the
volume
is
written.
No
space
is
reserved
in
the
records
of
the
list
and
status
files.
Expansion
for
later
versions
can
be
accomplished
by
redefining
the
file
identifier
records
and
data
records
for
the
files.
Such
changes
would
be
reflected
in
the
Record
Length
entry
in
the
HDR2
and
EOF2
records.
©
Copyright
IBM
Corp.
2001,
2008
513
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