managed
disk
group
A
collection
of
managed
disks
(MDisks)
that,
as
a
unit,
contain
all
the
data
for
a
specified
set
of
virtual
disks
(VDisks).
managed
space
mode
An
access
mode
that
enables
virtualization
functions
to
be
performed.
See
also
image
mode
and
unconfigured
mode
.
Management
Information
Base
(MIB)
Simple
Network
Management
Protocol
(SNMP)
units
of
managed
information
that
specifically
describe
an
aspect
of
a
system,
such
as
the
system
name,
hardware
number,
or
communications
configuration.
A
collection
of
related
MIB
objects
is
defined
as
a
MIB.
mapping
See
FlashCopy
mapping
.
master
console
A
single
point
from
which
to
manage
the
IBM
System
Storage
SAN
Volume
Controller.
The
master
console
can
be
purchased
as
software
that
is
installed
and
configured
on
a
server
or
as
a
hardware
platform
with
the
operating
system
and
master
console
software
preinstalled.
master
virtual
disk
The
virtual
disk
(VDisk)
that
contains
a
production
copy
of
the
data
and
that
an
application
accesses.
See
also
auxiliary
virtual
disk.
MB
See
megabyte
.
MDisk
See
managed
disk
.
megabyte
(MB)
In
decimal
notation,
1
048
576
bytes.
mesh
configuration
A
network
that
contains
a
number
of
small
SAN
switches
configured
to
create
a
larger
switched
network.
With
this
configuration,
four
or
more
switches
are
connected
together
in
a
loop
with
some
of
the
paths
short
circuiting
the
loop.
An
example
of
this
configuration
is
to
have
four
switches
connected
together
in
a
loop
with
ISLs
for
one
of
the
diagonals.
method
A
way
to
implement
a
function
on
a
class.
Metro
Mirror
A
synchronous
copy
service
that
enables
host
data
on
a
particular
source
virtual
disk
(VDisk)
to
be
copied
to
the
target
VDisk
that
is
designated
in
the
relationship.
MIB
See
Management
Information
Base
.
migration
See
data
migration
.
mirrorset
IBM
definition:
See
RAID-1
.
HP
definition:
A
RAID
storageset
of
two
or
more
physical
disks
that
maintain
a
complete
and
independent
copy
of
the
data
from
the
virtual
disk.
This
type
of
storageset
has
the
advantage
of
being
highly
reliable
and
extremely
tolerant
of
device
failure.
Raid
level
1
storagesets
are
referred
to
as
mirrorsets.
174
IBM
System
Storage
SAN
Volume
Controller:
Hardware
Installation
Guide
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