McDATA 4314 User Manual Page 3
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STORAGE TECHNOLOGY
www.
d
e
ll
.com
/p
owerso
l
ut
i
on
s
R
e
p
rinted from
D
ell Power Solutions
,
August 2005. Copyright © 2005 Dell Inc. All rights reserve
d
.
D
ELL POWER SOLUTIONS
8
1
T
he
f
our external Fibre Channel
p
orts
p
rovide direct connectivit
y
t
o target
d
evices suc
h
as De
ll
/EMC storage arrays an
d
tape
d
evices,
or connectivity to other McDATA Fibre Channel switches operatin
g
i
n t
h
e McDATA Fa
b
ric mo
d
e.
A
lthou
g
h the McDATA 4314 does not include an inte
g
rated
t
runking
f
eature, it does support Inter-Switch Links
(
ISLs
)
. Using
t
he four external ports, an administrator can connect up to four ISLs
t
o other McDATA switches. The ISLs hel
p
p
rovide
f
ault tolerance as
w
ell as load balancing between the switches. A loss on one of the
I
S
L
s
will
fo
r
ce
data
f
r
o
m
t
h
e
fa
il
ed
link
to
be
r
outed
to
t
h
e
r
e
m
a
in-
i
ng
l
in
k
s. W
h
en connecting switc
h
es in De
ll
/EMC storage envi-
r
onments, administrators are limited to usin
g
a maximum o
f
f
ou
r
i
nterconnect switc
h
es, or
h
o
ps
,
b
etween t
h
e
bl
a
d
e server an
d
t
h
e
t
ar
g
et device, such as a Dell/EMC stora
g
e array. The four hops refer
t
o the McDATA 4314 and three additional switch interconnects
.
I
n Fi
g
ure 2, the EFCM Basic GUI displays the physical layout of
a
f
abric involvin
g
Fibre Channel switches that are linked to
g
ether
t
hrough ISLs. In this example, the four external ports of the McDATA
4314 are all linked to a McDATA S
p
hereon 4500 switch via ISLs. The
S
p
h
ereon 4500 is t
h
en
l
in
k
e
d
, via ISLs, to an EMC DS-32M switc
h
.
T
he
f
our links between the McDATA 4314 and the Sphereon 4500
a
re green, to indicate
f
our active ISL connections. I
f
any o
f
the links
on the McDATA 4314 fail, then the link color will chan
g
e from
g
reen
t
o red and an alert will be generated.
E
ach Fibre Channel port on the McDATA 4314 can be confi
g
ured
a
s the
f
ollowin
g
port types at 1 Gbps or 2 Gbps:
•
G
_
Port
•
G
L_Port
•
F_
Por
t
•
FL
_
P
ort
•
E
_Port (used for expansion ports
)
Fibre Channel standards compliance
T
he McDATA 4314 is compliant with the
f
ollowin
g
Fibre Channel
stan
d
ar
d
s
:
•
F
ibre Channel Physical and Signaling Inter
f
ace
(
FC-PH
)
Re
v
isio
n 4
.3
•
F
C-PH-
2
•
FC
-PH-
3
•
F
ibre Channel Fabric Generic Re
q
uirements
(
FC-FG
)
•
F
ibre Channel Switch Fabric 2 (FC-SW-2)
•
F
ibre Channel Generic Services
(
FC-GS
)
•
FC
-
GS
-
2
•
FC
-
GS
-
3
•
F
ibre Channel Arbitrated Loo
p
(
FC-AL
)
Revision 4.
6
•
FC
-AL-2 R
e
v
isio
n
7
•
F
ibre Channel Fabric Loo
p
Attachment
(
FC-FLA
)
•
FC
-TAPE
•
F
ibre Channel Virtual Inter
f
ace
(
FC-VI
)
I
n addition
,
the McDATA 4314 adheres to the Fibre Channel
Element MIB
(
management in
f
ormation base
)
Speci
f
ication
(FE-MIB) and the Fibre Alliance MIB Specification (FA-MIB). It also
su
pp
orts Class 2, Class 3, and Class F service.
Fabric zoning
A key component of the McDATA 4314 is its user-friendly interface
f
or zone con
f
i
g
uration. Zonin
g
allows ports
(
initiators and tar
g
ets
)
t
o be grouped together or masked from each other. In a fabric
connectin
g
hundreds or thousands o
f
devices, the task o
f
g
roup-
i
ng
d
evices can
b
ecome te
d
ious. To zone
d
evices, a
d
ministrators
must know the World Wide Name
(
WWN
)
of each device and
t
hen group the device objects into a zone. Using the McDATA 4314
EFCM Bas
i
c SAN mana
g
e
-
ment a
pp
lication, administra
-
t
ors can a
dd
d
evice o
b
jects
t
o a zone simply by dra
gg
in
g
a
n
d
d
ropping. Once zone sets
a
re created
,
administrators
can run an error-c
h
ec
k
ing
procedure to verify that no
con
f
licts have been created
b
y new
l
y create
d
zones.
To help simpli
f
y zonin
g
methods, the fabric zoning
i
n
te
r
face
e
n
ab
l
es
ad
mini
st
r
a-
t
ors to create a
l
iases an
d
nic
k
names. By using a
l
iases, a
d
minis-
t
rators can
g
roup several ports to
g
ether as a sin
g
le object, thus
r
educing the number o
f
times they have to drag and drop ports
o
n
to
a
z
o
n
e.
Figure 2. Using the EFCM Basic GUI to display ISLs between switches
By using aliases, administra-
tors can group several ports
together as a single object,
thus reducing the number of
times they have to drag and
drop ports onto a zone.
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