Dell M8034-RF is a 4-bay network storage server powered by a 2.1 GHz Intel Atom C3538 processor and 8GB of ECC DDR4 memory. It comes pre-installed with FreeNAS, a free and open-source operating system for network-attached storage (NAS) devices. With four hot-swappable SATA drive bays, Dell M8034-RF can store up to 32TB of data. It supports RAID 0, 1, 5, 6, and 10, allowing you to choose the right level of data protection for your needs. Dell M8034-RF also features two Gigabit Ethernet ports for fast data transfer speeds.
Dell M8034-RF is a 4-bay network storage server powered by a 2.1 GHz Intel Atom C3538 processor and 8GB of ECC DDR4 memory. It comes pre-installed with FreeNAS, a free and open-source operating system for network-attached storage (NAS) devices. With four hot-swappable SATA drive bays, Dell M8034-RF can store up to 32TB of data. It supports RAID 0, 1, 5, 6, and 10, allowing you to choose the right level of data protection for your needs. Dell M8034-RF also features two Gigabit Ethernet ports for fast data transfer speeds.
www.
d
e
ll
.com
/p
owerso
l
ut
i
on
s
Re
p
rinted from
D
ell Power Solutions, February 2007. Copyright © 2007 Dell Inc. All rights reserve
d
.
DELL POWER SOLUTIONS
1
SYSTEMS MANAGEMENT
D
ell Serial Attached SCSI (SAS) RAID Storage Manager
(
RSM
)
so
f
tware provides administrators with versatile
array con
f
iguration and management options, including
online capacity expansion, RAID level mi
g
ration, and
r
andom logical drive deletion without system shutdown.
A wide assortment of cachin
g
policies for lo
g
ical drives,
v
ariable stripe sizin
g
, and adjustable task rates enable
administrators to quickly and easily modify their storage
arra
y
s to meet enter
p
r
i
se re
q
u
i
rements.
D
ell SAS RSM is supported for the following operating
systems
:
•
Mi
c
r
oso
f
t
®
Win
do
w
s
® 2
000
•
32- and 64-bit versions o
f
Microso
f
t Windows X
P
•
3
2-
a
n
d
6
4-
b
i
t
v
e
r
s
i
o
n
s
o
f Mi
c
r
oso
f
t
Win
do
w
s
Server
®
2003
•
Red
H
at
®
Enterpr
i
se L
i
nu
x
®
4
a
n
d
5
•
N
o
v
e
l
l
®
SUS
E
®
Linux Enter
p
rise Server 9 and 1
0
Installin
g
Dell
S
A
S
RAID
S
tora
g
e Mana
g
er
De
ll
SAS RSM is
p
reinsta
ll
e
d
as a stan
d
-a
l
one a
ppl
ication on
Dell PowerEd
g
e SC servers and Dell Precision workstations
t
h
at support t
h
e PowerE
d
ge Expan
d
a
bl
e RAID Contro
ll
er
(
PERC
)
5/i and the SAS 5/iR adapter.
I
f
administrators need to install or reinstall Dell SAS
R
SM on a system runnin
g
a Windows OS, they can locate
the executable
f
ile on the Dell OpenManage™ Server
A
ssistant CD provi
d
e
d
wit
h
t
h
e system or
d
own
l
oa
d
the
f
ile
f
rom su
pp
ort.dell.com, then run it and com
p
lete
t
h
e insta
ll
ation wizar
d
. Once t
h
e insta
ll
ation comp
l
etes,
administrators can launch the application by selectin
g
Start>Programs>De
ll
SAS RAID Storage Manager
.
T
o install Dell SAS RSM on systems runnin
g
a Linux
O
S, administrators should
f
irst co
py
the SSM_Linux
_
I
n
sta
ll
e
r
-
ve
r
sionnumber
.tar.
g
z file to a temporary direc-
tory, then un-tar this
f
ile using the
f
ollowing command:
tar –zxvf SSM_Linux_Installer
-
versionnumbe
r
.t
ar.g
z
T
his command creates a new disk director
y
. Admin-
istrators s
h
ou
ld
go to t
h
is new
d
is
k
d
irectory an
d
enter
t
h
e
co
mm
a
n
d
.
/
install.sh. In Red Hat Enterprise
L
inux, t
h
e
y
can t
h
en
l
aunc
h
t
h
e a
ppl
ication
by
se
l
ect-
in
g
Applications>System Tools>Dell SAS RAID Stora
g
e
BY MANJUSHA GOPAKUMAR AND GAGAN SHRESTH
A
Introducing Dell SAS RAID
Storage Manager
for Dell PowerEd
g
e SC Servers and Dell Precision Workstations
Dell
™
Serial Attached SCSI (SAS) RAID Storage Manager is a stand-alone storage
management application that enables administrators to configure, monitor, and
manage storage configurations on SAS controllers, physical drives, and virtual disks.
This article discusses the application’s key features for Dell PowerEdge
™
SC servers
and Dell Precision
™
workstations.
Related Categories:
Dell PowerEdge SC servers
Dell Precision workstations
Serial Attached SCSI (SAS)
Systems management
Visit www.dell.com/powersolutions
for the complete category index.
SYSTEMS MANAGEMENT
DELL POWER SOLUTIONS Re
p
rinted from Dell Power Solutions,
F
ebruary 2007. Copyright © 2007 Dell Inc. All rights reserve
d
.
F
e
b
ruar
y
2007
2
M
ana
g
er StartupUI; in Novell SUSE Linux Enterprise Server, they
can
d
o so
b
y se
l
ecting Start>System>More Programs>De
ll
SAS
RAID Stora
g
e Mana
g
er.
Understandin
g
the Dell
S
A
S
RAID
S
tora
g
e Mana
g
er interfac
e
When the login window appears a
f
ter launching Dell SAS RSM,
a
d
ministrators enter t
h
eir username an
d
passwor
d
an
d
se
l
ect
either Full Access mode
(
which enables both viewin
g
and chan
g-
i
ng configurations) or View Access mode (which enables only
v
iewin
g
and monitorin
g
con
f
i
g
urations
)
f
rom the drop-down
menu. If the computer is networked, administrators should enter
t
he lo
g
in in
f
ormation
f
or the computer itsel
f
, not the network.
U
sing Fu
ll
Access mo
d
e requires t
h
e root a
d
ministrator username
and password.
Af
ter login, Dell SAS RSM automatically detects and displays
th
e system’s storage contro
ll
ers, p
h
ysica
l
d
rives, an
d
virtua
l
d
is
k
s.
T
he a
pp
lication’s main window includes three
p
anels: a le
f
t
p
anel
s
h
owing t
h
e system
d
evices, a rig
h
t pane
l
s
h
owing a
dd
itiona
l
d
etai
l
s
about a particular device, and a bottom panel showin
g
system
event
l
og entries.
The le
f
t panel presents either a physical or lo
g
ical view o
f
the
system an
d
d
evices,
d
epen
d
ing on t
h
e se
l
ecte
d
ta
b
. T
h
e P
h
ysica
l
t
ab shows the hierarchy of physical devices; stora
g
e controllers are
enumerated with the disk drives and other devices attached to the
p
orts. The Logical tab shows the hierarchy of controllers, virtual
disks, and disk
g
roups.
The right panel includes three tabs, with different tabs displayed
dependin
g
on the type o
f
device selected in the le
f
t panel and the
l
ogin mo
d
e:
•
Pro
p
ert
i
es: This tab dis
p
la
y
s in
f
ormation about the selected
device. For example, if a controller is selected, this tab shows
in
f
ormation such as the controller name
,
nonvolatile RAM
(
NVRAM) size, and number of device ports
.
•
Op
erations
:
This tab lists the o
p
erations that can be
p
er-
f
ormed on the selected device. Dell SAS RSM only displays
t
hi
s
tab
in F
u
ll A
ccess
m
ode.
•
G
rap
h
ica
l
View: This tab displays a color-coded view of the
selected device’s stora
g
e capacity
(
see Fi
g
ure 1
)
. Dell SAS RSM
onl
y
dis
p
la
y
s this tab
f
or
p
h
y
sical drives and virtual disks.
The bottom panel displays the system event log entries, includ
-
i
n
g
t
h
e ID num
b
er, an error
l
eve
l
in
d
icatin
g
event severity, t
h
e
d
ate
and time, and a brie
f
descri
p
tion
.
M
anag
i
ng v
i
rtua
l
di
s
ks
T
he Dell SAS RSM Configuration Wizard enables administrators
t
o create new virtual disk con
f
i
g
urations on the PERC 5/i and the
S
AS 5/iR wit
h
out re
b
ooting t
h
e systems. It inc
l
u
d
es t
h
ree mo
d
es
f
or the PERC 5
/
i:
•
A
uto Con
f
iguration
:
O
f
the three modes, this one
p
rovides the
q
uickest and simplest way to create a new storage configura-
tion. Usin
g
the available physical disks, the wizard creates the
op
tima
l
virtua
l
d
is
k
wit
h
minima
l
a
d
ministrator intervention
.
•
Guided Con
f
i
g
uration: This mode creates a new stora
g
e con-
f
iguration based on a series o
f
queries. The wizard uses the
i
nformation provided by the administrator to create an opti
-
m
al stora
g
e con
f
i
g
uration usin
g
the available physical disks
.
•
Manual Confi
g
uration
:
Thi
s
m
ode
i
s
t
h
e
m
ost
fl
e
xi
b
l
e
of
the three, but is desi
g
ned
f
or advanced users with in-depth
k
nowledge of storage configurations
.
S
aving and adding virtual disk configurations
I
n addition to creatin
g
new confi
g
urations, administrators can import
existing con
f
igurations to help prevent virtual disks
f
rom being lost
when migrating physical disks or to help simplify configuration o
f
a new controller. They can use Dell SAS RSM to save an existin
g
configuration to disk by performing the following steps:
1.
S
elect a controller in the left panel of the application’s main
window, then select Operations>Advanced Operations
>
C
on
f
iguration>Save Con
f
iguration in the menu bar.
2. In the Save dialo
g
box, enter a name for the confi
g
uration
f
ile
,
then click the Save button
.
Administrators can import a saved con
f
i
g
uration as
f
ollows
:
1. Select a controller in the le
f
t
p
anel o
f
the a
pp
lication’s main
win
d
ow, t
h
en se
l
ect Operations>A
d
vance
d
Operations
>
C
on
f
i
g
uration>Add Saved Con
f
i
g
uration in the menu bar.
2. A message
b
ox
d
isp
l
ays a warning t
h
at unsta
bl
e con
d
itions
m
ay arise from differences in physical devices in two confi
g
u
-
r
ations. Click the Yes button
.
F
i
g
ure 1. Viewin
g
physical disk stora
g
e in the Dell
S
A
S
RAID
S
tora
g
e Mana
g
er
G
raphical View ta
b
SYSTEMS MANAGEMENT
www.
d
e
ll
.com
/p
owerso
l
ut
i
on
s
Re
p
rinted from
D
ell Power Solutions, February 2007. Copyright © 2007 Dell Inc. All rights reserve
d
.
DELL POWER SOLUTIONS
3
3. In the Open dialo
g
box, select the con
f
i
g
uration
f
ile, click the
Open
b
utton, an
d
se
l
ect “App
l
y.
”
4. When prompted, con
f
irm the new con
f
i
g
uration
.
N
ote:
When addin
g
a saved con
f
i
g
uration to a replacement
controller, administrators should ensure that the number and size o
f
t
he physical disks connected to the controller are exactly the same
a
s they were when the con
f
iguration was saved
.
Changing virtual disk properties and configurations
Administrators can modify properties (such as the read, write, I/O,
a
nd access policies
)
f
or virtual disks con
f
i
g
ured on the PERC 5/i by
selecting the virtual disk in the left panel, then clicking the Operations
t
ab and selectin
g
“Set Virtual Disk Properties”
(
see Fi
g
ure 2
)
.
To change virtual disk con
f
igurations, administrators can use
t
he Dell SAS RSM Reconstruction Wizard, which allows chan
g
es
t
o the RAID level and virtual disk without data loss.
(
This
f
eature
i
s only available for virtual disks confi
g
ured on the PERC 5/i.) For
example, administrators can chan
g
e the RAID level o
f
a precon
f
i
g
-
u
r
ed
RAID-
0
vir
tua
l
d
i
s
k
as
f
o
ll
o
w
s:
1. Select a virtual disk in the left panel of the application’s main
window, then select Operations>Advanced Operations>
R
econstruction Wizar
d
in t
h
e menu
b
ar
.
2.
C
li
c
k
t
h
e
N
e
x
t
butto
n
.
3. Select a di
ff
erent RAID level
f
rom the dro
p
-down menu in the
lower ri
g
ht corner of the window, then click the Finish button
.
Ad
ministrators can monitor t
h
e reconstruction progress
b
y
selectin
g
Group Operations>Show Pro
g
ress in the menu bar.
I
denti
f
yin
g
disk errors with Patrol Rea
d
Dell SAS RSM uses the Patrol Read controller
f
eature to identi
fy
disk errors. Patrol Read can be run on disks confi
g
ured in virtual
d
is
k
arrays or as
h
ot spares, an
d
is
d
esigne
d
to correct
d
is
k
errors
a
nd restore data inte
g
rity
.
D
e
ll
SAS RSM ena
bl
es a
d
ministrators to set t
h
e Patro
l
Rea
d
mode to Auto
,
Manual
,
or Disable. Auto mode initiates Patrol Read
based on the schedule en
f
orced b
y
the controller, Manual mode
enables administrators to start or stop Patrol Read manually, and
Disable mode prevents Patrol Read
f
rom executing
.
Monitoring system activity and
p
erformanc
e
Dell SAS RSM monitors the activity and performance of controllers
a
nd the stora
g
e devices connected to them
:
•
Co
n
t
r
o
ll
e
r
s:
Controller status is displayed in the le
f
t panel
o
f
the a
pp
lication’s main window. I
f
a controller
f
ails, a
small red circle appears to the ri
g
ht of the controller icon. To
dis
p
la
y
com
p
lete controller in
f
ormation, administrators can
select the controller in the left panel and click the Properties
t
ab in the ri
g
ht panel
.
•
Di
sk
d
riv
es:
Disk drive status is displayed in the left panel o
f
t
he application’s main window. To display a
g
raphical view
of the disk drive, administrators can select the drive in the
le
f
t panel and click the Graphical View tab in the ri
g
ht panel
.
•
P
rocesses
:
De
ll
SAS RSM a
ll
ows a
d
ministrators to monitor t
h
e
p
ro
g
ress of rebuilds, consistency checks, and other processes by
selecting Group Operations>Show Progress in the menu bar
.
U
p
grading controller firmwar
e
De
ll
SAS RSM ena
bl
es a
d
ministrators to easi
l
y upgra
d
e PERC 5/i
controller
f
irmware without rebootin
g
the system. Administrators
can perform a firmware upgrade as follows:
1.
D
ownload the latest
f
irmware packages
f
rom support.dell.com
.
2. In the left panel of the application’s main window, select the
a
pp
ro
p
riate PERC 5/i
.
3. In t
h
e ri
gh
t pane
l
, c
l
ic
k
t
h
e Operations ta
b
an
d
se
l
ect “F
l
as
h
F
irmware
,
” then click the Go button
.
4.
B
rowse for the .ROM update file and click the OK button
.
5. When prompted to con
f
irm the up
g
rade, click the Yes button.
E
nhancin
g
S
A
S
stora
g
e mana
g
ement
De
ll
SAS RAID Storage Manager, w
h
ic
h
comes preinsta
ll
e
d
on De
ll
PowerEd
g
e SC servers and Dell Precision workstations, enables admin-
i
strators to con
f
igure, monitor, and manage storage con
f
igurations on
S
AS controllers. Dell SAS RSM tools can enhance flexibility when
mana
g
in
g
stora
g
e devices in enterprise environments.
Manjusha Gopakumar is an engineer senior analyst in the Test Case Design
team at the Dell Bangalore Development Center.
Gagan Shrestha is a lead engineer in the Test Case Design team at the Dell
Bangalore Development Center.
Figure 2. Changing virtual disk properties in the Dell SAS RAID Storage Manager
Op
erations tab
-
1
-
2
-
3
Dell M8034-RF is a 4-bay network storage server powered by a 2.1 GHz Intel Atom C3538 processor and 8GB of ECC DDR4 memory. It comes pre-installed with FreeNAS, a free and open-source operating system for network-attached storage (NAS) devices. With four hot-swappable SATA drive bays, Dell M8034-RF can store up to 32TB of data. It supports RAID 0, 1, 5, 6, and 10, allowing you to choose the right level of data protection for your needs. Dell M8034-RF also features two Gigabit Ethernet ports for fast data transfer speeds.
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