fabric
port
(F_port)
A
port
that
is
part
of
a
fibre-channel
fabric.
An
F_port
on
a
fibre-channel
fabric
connects
to
the
node
port
(N_port)
on
a
node.
failover
In
SAN
Volume
Controller,
the
function
that
occurs
when
one
redundant
part
of
the
system
takes
over
the
workload
of
another
part
of
the
system
that
has
failed.
FCIP
See
Fibre
Channel
over
IP
.
fibre
channel
A
technology
for
transmitting
data
between
computer
devices
at
a
data
rate
of
up
to
4
Gbps.
It
is
especially
suited
for
attaching
computer
servers
to
shared
storage
devices
and
for
interconnecting
storage
controllers
and
drives.
fibre-channel
extender
A
device
that
extends
a
fibre-channel
link
over
a
greater
distance
than
is
supported
by
the
standard,
usually
a
number
of
miles
or
kilometers.
Devices
must
be
deployed
in
pairs
at
each
end
of
a
link.
Fibre
Channel
over
IP
(FCIP)
A
network
storage
technology
that
combines
the
features
of
the
Fibre
Channel
Protocol
and
the
Internet
Protocol
(IP)
to
connect
distributed
SANs
over
large
distances.
Fibre
Channel
Protocol
(FCP)
A
protocol
that
is
used
in
fibre-channel
communications
with
five
layers
that
define
how
fibre-channel
ports
interact
through
their
physical
links
to
communicate
with
other
ports.
field
replaceable
unit
(FRU)
An
assembly
that
is
replaced
in
its
entirety
when
any
one
of
its
components
fails.
An
IBM
service
representative
performs
the
replacement.
In
some
cases,
a
field
replaceable
unit
might
contain
other
field
replaceable
units.
FlashCopy
mapping
A
relationship
between
two
virtual
disks.
FlashCopy
relationship
See
FlashCopy
mapping
.
FlashCopy
service
In
SAN
Volume
Controller,
a
copy
service
that
duplicates
the
contents
of
a
source
virtual
disk
(VDisk)
to
a
target
VDisk.
In
the
process,
the
original
contents
of
the
target
VDisk
are
lost.
See
also
point-in-time
copy.
F_port
See
fabric
port
.
FRU
See
field
replaceable
unit
.
G
gateway
An
entity
that
operates
above
the
link
layer
and
translates,
when
required,
the
interface
and
protocol
used
by
one
network
into
those
used
by
another
distinct
network.
GB
See
gigabyte
.
GBIC
See
gigabit
interface
converter
.
Glossary
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