Notice
that
the
total
amount
of
expanded
storage
addressability
that
can
be
used
to
map
expanded
storage
for
LPs
is
at
least
twice
the
amount
of
installed
storage.
and
describe
examples
of
dynamic
reconfiguration
of
expanded
storage.
For
this
example,
assume
the
amount
of
installed
storage
is
32
GB.
The
amount
of
physical
central
storage
used
by
hardware
system
area
(HSA)
is
2GB
in
this
example
leaving
30
GB
of
physical
storage
for
allocation
to
LPs.
The
storage
granularity
is
64
MB
so
the
HSA
addressable
storage
size
is
2048
MB.
This
leaves
1022
GB
of
central
storage
addressability
to
be
allocated
to
LPs.
LP-A
is
defined
with
an
initial
amount
of
14
GB
of
central
storage,
an
initial
amount
of
2
GB
of
expanded
storage
and
a
reserved
amount
of
2
GB
of
expanded
storage,
and
system
determined
central
storage
origins.
The
origin
of
central
storage
used
to
back
online
expanded
storage
is
always
system
determined
and
in
this
case
is
coincidentally
but
not
necessarily
contiguous
with
the
addressability
used
to
back
the
logical
partition’s
initial
central
storage
amount.
LP-B
is
defined
with
an
initial
amount
of
14
GB
of
central
storage,
and
a
reserved
amount
of
2
GB
of
central
storage,
with
a
system
determined
central
storage
origin.
LP-A
and
LP-B
are
activated
and
IPLed.
At
the
completion
of
IPL,
LP-B
has
its
reserved
central
storage
configured
online
by
entering
CF
STOR(E=1),ONLINE
from
the
z/OS
software
console
for
LP-B.
shows
the
resulting
storage
layout
following
these
actions.
0 GB
1019 GB
32
GB
1020 GB
1021 GB
1022 GB
1023 GB
1024 GB
LP-B (ES0)
LP-A (ES1) not populated (offline)
LP-B (ES1) not populated (offline)
LP-A (ES0)
Unused Addressability
LP-B’s
addressable
range
LP-A’s
addressable
range
1 GB
available
ORIG = none
INIT = 1 GB
RSVD = 1 GB
ORIG = none
INIT = 1 GB
RSVD = 1 GB
Addressable
Storage
Installed
Storage
Figure
3-9.
Expanded
Storage
Layout
3-22
PR/SM
Planning
Guide
Summary of Contents for Z9
Page 1: ...System z9 Processor Resource Systems Manager Planning Guide SB10 7041 03...
Page 2: ......
Page 3: ...System z9 Processor Resource Systems Manager Planning Guide SB10 7041 03...
Page 12: ...x PR SM Planning Guide...
Page 18: ...xvi PR SM Planning Guide...
Page 26: ...xxiv PR SM Planning Guide...
Page 54: ...1 28 PR SM Planning Guide...
Page 126: ...2 72 PR SM Planning Guide...
Page 220: ...4 8 PR SM Planning Guide...
Page 232: ...5 12 PR SM Planning Guide...
Page 250: ...B 16 PR SM Planning Guide...
Page 266: ...D 10 PR SM Planning Guide...
Page 272: ...X 6 PR SM Planning Guide...
Page 273: ......
Page 274: ...Printed in USA SB10 7041 03...