iSCSI GbE to SAS/SATA II RAID Subsystem
User Manual
9
RO
R
ead-
O
nly. The volume can be set as Read-Only.
DS
D
edicated
S
pare disks. The spare disks are only used by one
specific VG. Others could not use these dedicated spare disks for
any rebuilding purpose.
GS
G
lobal
S
pare disks. GS is shared for rebuilding purpose. If some
RGs need to use the global spare disks for rebuilding, they could
get the spare disks out from the common spare disks pool for
such requirement.
DC
D
edicated
C
ache.
GC
G
lobal
C
ache.
DG D
e
G
raded mode. Not all of the RG’s member disks are
functioning, but the RG is able to respond to application read and
write requests to its virtual disks.
S.M.A.R.T.
S
elf-
M
onitoring
A
nalysis and
R
eporting
T
echnology.
SAS S
erial
A
ttached
S
CSI.
WWN W
orld
W
ide
N
ame.
HBA
H
ost
B
us
A
dapter.
SAF-TE S
CSI
A
ccessed
F
ault-
T
olerant
E
nclosures.
MPIO
M
ulti-
P
ath
I
nput/
O
utput.
MC/S M
ultiple
C
onnections per
S
ession
SES
S
CSI
E
nclosure
S
ervices.
NIC
N
etwork
I
nterface
C
ard.
iSCSI I
nternet
S
mall
C
omputer
S
ystems
I
nterface.
LACP L
ink
A
ggregation
C
ontrol
P
rotocol.
MTU
M
aximum
T
ransmission
U
nit.
CHAP C
hallenge
H
andshake
A
uthentication
P
rotocol. An optional
security mechanism to control access to an iSCSI storage system
over the iSCSI data ports.
iSNS
I
nternet
S
torage
N
ame
S
ervice.
