
Environment
or
Operating
System
Data
Migration
Method
z/OS
operating
system
v
DFSMSdss
(simplest
method)
v
DFSMShsm
v
IDCAMS
EXPORT/IMPORT
(VSAM)
v
IDCAMS
REPRO
(VSAM,
SAM,
BDAM)
v
IEBCOPY
(partitioned
data
set
(PDS),
including
load
module
libraries,
and
PDSE)
v
ICEGENER
(SAM),
part
of
DFSORT
v
IEBGENER
(SAM)
v
Specialized
database
utilities
for
CICS,
DB2,
or
IMS
v
Softek
Transparent
Data
Migration
Facility
(TDMF),
available
from
IBM
as
a
data
migration
service
z/VM
operating
system
DFSMS/VM
with
the
following
functions:
v
DASD
Dump
Restore—Used
to
dump
data
from
disk
to
tape,
restore
data
from
tape
to
disk,
and
copy
data
between
like
disk
drive
volumes.
You
cannot
use
DDR
to
copy
data
between
disk
devices
with
different
track
formats.
v
CMDISK—A
DIRMAINT
command
used
to
move
minidisks
from
any
device
types
that
VM
supports
to
any
other
type.
v
COPYFILE—A
CMS
command
used
to
copy
files
or
minidisks
between
devices
with
the
same
or
different
track
modes.
v
PTAPE—A
Control
Program
(CP)
command
used
to
dump
spool
files
to
tape
and
to
load
files
from
tape
to
disk.
Data
migration
from
a
UNIX-based
host
system
to
a
DS8000
storage
unit
For
UNIX-based
host
systems,
you
can
use
a
variety
of
methods
for
copying
or
moving
data
from
one
disk
drive
to
another.
The
UNIX-based
host
sees
the
storage
unit
as
one
or
more
generic
disk
drive
modules
(DDMs).
You
can
use
the
following
methods
to
migrate
data
to
the
storage
unit
from
open-system
hosts
that
are
running
UNIX:
v
Volume
management
methods
v
Direct
copy
method
v
Backup
and
restore
methods
v
Dump
and
restore
commands
as
well
as
other
commands
for
example
the
tar
command
Chapter
9.
Migrating
data
to
a
storage
unit
149
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