Chapter
8.
Optional
feature
codes
for
the
DS8000
The
DS8000
is
designed
to
meet
or
exceed
the
storage
requirements
of
a
broad
range
of
operating
environments.
There
are
many
features
that
are
enabled
to
meet
your
data
management
requirements.
The
following
two
areas
are
particularly
useful
for
data
management.
v
Parallel
Access
Volumes
(PAV)
used
for
System
z
or
S/390
environments
v
Advanced
Copy
Services
functions
Parallel
Access
Volumes
This
feature
allows
multiple
System
z
or
S/390
jobs
to
execute
in
parallel
and
queue
management
on
the
DS8000.
Dynamic
PAVs
autonomically
reconfigure
the
storage
subsystem
that
is
based
on
your
workload.
Advanced
Copy
Services
functions
The
advanced
Copy
Services
functions
are
sometimes
referred
to
as
the
IBM
System
Storage
Resiliency
Family.
These
Copy
Services
functions
offer
a
variety
of
data
duplication,
data
migration,
and
disaster
recovery
solutions
that
are
supported
on
open
systems
and
System
z
or
S/390
hosts.
The
following
features
are
key
components:
v
Point-in-time
copy,
also
known
as
FlashCopy
v
Remote
Mirror
and
Copy,
previously
known
as
Peer-to-Peer
Remote
Mirror
(PPRC)
–
Metro
Mirror,
previously
known
as
Synchronous
PPRC
–
Global
Mirror,
previously
known
as
Asynchronous
PPRC
–
Global
Copy,
previously
known
as
PPRC
Extended
Distance
–
Metro/Global
Mirror,
a
combination
of
Metro
Mirror
and
Global
Mirror
functions
v
z/OS
Global
Mirror,
(previously
known
as
Extended
Remote
Copy
[XRC])
Note:
z/OS
Global
Mirror
(previously
known
as
Extended
Remote
Copy
or
XRC)
provides
a
long-distance
remote
copy
solution
across
two
sites
for
open
systems
and
System
z
or
S/390
data
using
asynchronous
technology.
It
is
based
on
the
existing
Copy
Services
functions
called
Global
Copy
and
FlashCopy
and
additional
new
functions
that
form
consistency
groups
across
one
or
more
storage
units
to
manage
and
control
Global
Mirror
sessions.
Using
parallel
access
volumes
for
System
z
and
S/390
hosts
This
section
provides
the
following
guidelines
for
using
parallel
access
volumes
(PAVs)
in
a
System
z
or
S/390
environment:
v
An
overview
of
PAVs
v
PAV
requirements
v
An
overview
of
the
input/output
configuration
program
(IOCP)
v
Guidelines
for
defining
the
logical
control
units
v
Guidelines
for
reconfiguring
the
logical
control
units
©
Copyright
IBM
Corp.
2004,
2008
101
Summary of Contents for DS8000 - ADDITIONAL INFORMATION
Page 1: ...IBM System Storage DS8000 User s Guide V ersion 1 Release 4 SC26 7915 02 ...
Page 2: ......
Page 3: ...IBM System Storage DS8000 User s Guide V ersion 1 Release 4 SC26 7915 02 ...
Page 8: ...vi DS8000 User s Guide ...
Page 10: ...viii DS8000 User s Guide ...
Page 12: ...x DS8000 User s Guide ...
Page 14: ...xii DS8000 User s Guide ...
Page 26: ...xxiv DS8000 User s Guide ...
Page 106: ...78 DS8000 User s Guide ...
Page 168: ...140 DS8000 User s Guide ...
Page 202: ...174 DS8000 User s Guide ...
Page 204: ...176 DS8000 User s Guide ...
Page 212: ...184 DS8000 User s Guide ...
Page 242: ...214 DS8000 User s Guide ...
Page 246: ...218 DS8000 User s Guide ...
Page 249: ......
Page 250: ... Printed in USA SC26 7915 02 ...