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Dell PowerVault MD1000 SAS Solution Manual do Utilizador Página 3

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STORAGE
www.
d
e
ll
.com
/p
owerso
l
ut
i
on
s
R
e
p
rinted from
D
ell Power Solutions
,
August 2006. Copyright © 2006 Dell Inc. All rights reserve
d
.
D
ELL POWER SOLUTIONS
3
Dell PowerEd
g
e RAID Controller 5/E
T
he PCI Ex
p
ress–based PERC 5/E
p
rovides RAID ca
p
abilities
f
or
t
h
e
P
o
w
e
rV
au
l
t
MD1
000
S
A
S
e
n
c
l
osu
r
e.
Th
e
RAID l
e
v
e
l
s
o
ff
e
r
ed
b
y
this controller include RAID-0, RAID-1, RAID-5, RAID-10, and
RAID-
50.
Th
e
co
n
t
r
o
ll
e
r h
as
a
2
56
MB
t
r
a
n
s
f
e
r
ab
l
e
cac
h
e
a
n
d
bat
-
t
er
y
backu
p
unit to hel
p
maintain data consistenc
y
in the event
of a power loss. Besides basic RAID functions, the controller also
supports the
f
ollowin
g
f
eatures
:
•
D
rive mi
g
ration and roamin
g
•
SAS
d
evice an
d
topo
l
ogy
d
iscovery
•
P
ersistent device mappin
g
•
R
AID ca
p
acit
y
ex
p
ansio
n
•
R
AID-
l
eve
l
mi
g
ratio
n
•
B
ack
g
round Patrol Read
•
Self-Monitoring, Analysis, and Reporting Technology
(
SMART
)
error reportin
g
The PERC 5/E provides two 4X ports to connect the controller to
th
e enc
l
osure, provi
d
ing 12 G
b
ps per port. T
h
e PowerVau
l
t MD1000
connects to the PERC 5/E 4X channel with industry-standard
4X SAS cables.
Dell management so
f
tware
Offline/preboot management and configuration of the PowerVault
M
D1000 can be accomplished with the BIOS Con
f
i
g
uration Util-
i
ty, which is launched by pressing Ctrl+R immediately after the
power-on sel
f
-test
(
POST
)
o
f
the attached server. Remote preboot
con
f
iguration and management o
f
the storage subsystem are
facilitated by support for console redirection. Navi
g
ation keys are
designed to follow the key functionality of Microsof
t
®
Win
d
ows
®
Explorer—the arrow and Tab keys are the main keys
f
or in-screen
movement, and Ctrl+N
(
next
)
and Ctrl+P
(p
revious
)
allow
chan
g
in
g
between the Virtual Disk Mana
g
ement, Physical Disk
M
anagement, and Controller Management screens
.
Online monitoring and managing of the PowerVault MD1000
can be easily accomplished by usin
g
Dell OpenMana
g
e Server
A
d
ministrator. T
h
is app
l
ication provi
d
es a
d
ministrators wit
h
a
g
raphical user inter
f
ace to access the PowerVault MD1000 over a
supported Web browser (Microsoft Internet Explorer for Microsoft
W
indows plat
f
orms or Mozilla Fire
f
ox
f
or Linu
x
®
plat
f
orms
)
f
rom
a
remote or
l
oca
l
station
.
Deployment options for the PowerVault MD1000
S
A
S
im
p
lementatio
n
T
he Dell PowerVault MD1000 disk enclosure can be tailored to meet
different business needs. This section provides two examples of how
t
his enclosure can be used to res
p
ond to ca
p
acit
y
and e
ff
icienc
y
r
equirements.
G
aining high storage capacity
T
o obtain optimal stora
g
e capacity usin
g
a PowerVault MD1000–
based con
f
iguration
f
or a single server, the uni
f
ied mode o
f
the
e
n
closu
r
e
should
be
selected.
T
h
i
s
allo
w
s
the
se
rv
e
r
to
access
all
45 drives in a three-enclosure cascadin
g
con
f
i
g
uration
f
rom a sin
g
le
PERC 5
/
E connector. T
h
ree a
dd
itiona
l
enc
l
osures can
b
e connecte
d
t
o the other connector on the PERC 5/E controller,
g
ivin
g
the server
a
ccess to 90 HDDs in a fully populated configuration. This configu-
r
ation lets administrators start with a sin
g
le enclosure and scale
out as storage needs grow, thus allowing
f
or a consistent return on
i
nvestment (see Fi
g
ure 3)
.
C
onnectin
g
to multi
p
le server
s
T
o e
ff
iciently levera
g
e the stora
g
e enclosure, administrators should
d
ep
l
oy t
h
e enc
l
osure in sp
l
it mo
d
e. T
h
is wi
ll
permit two servers
t
o access a
p
ortion o
f
the enclosure. The
f
irst server connects the
PERC 5/E to t
h
e primary EMM on t
h
e PowerVau
l
t MD1000, access-
i
n
g
seven drives. The second server connects the PERC 5/E to the
secondary EMM on the same enclosure, accessing eight drives
(
see
Fi
g
ure 4). The allocated stora
g
e space is not shared.
Entry confi
g
uratio
n
Scale out
Scale out
Scale out
Dell Power
V
ault
M
D1
000
enclosur
e
Host bus adapte
r
Legen
d
H
os
t m
ac
hin
e
Figure 3. High-capacity Dell PowerVault MD1000 SAS configuration
F
i
g
ure 4. Multi-server Dell PowerVault MD1000
S
A
S
confi
g
uratio
n
D
e
ll P
o
w
e
r
V
au
l
t
MD1000 enclosure
H
ost bus adapter
L
e
g
end
H
ost mac
hi
ne
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