Dell PowerVault 220S Manuel - Sayfa 36
Depolama Dell PowerVault 220S için çevrimiçi göz atın veya pdf Manuel indirin. Dell PowerVault 220S 44 sayfaları. Dell powervault 220s and 221s systems scsi drive enclosure
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A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS
SCSI
Technology
Host Bus
Interface
# Channels
# internal
connectors
# External
Connectors
RAID Levels
Supported
Cluster
Support?
Cache Size
(DIMM)
Write Cache
Options
Read Cache
Options
BBU Battery Life
Max # Logical
Drives/Controller
Max # Physical
Drives/Logical
Drive
Vendor
SCSI Chip
RAID Processor
PAGE 36
Table 5-2 – Controller Families & Features: Part 1
PERC 4e/Di
PERC 4e/DC
Wide
Wide
Ultra320
Ultra320
x4 PCI
X8 PCI
Express
Express
(Embedded)
(HBA)
2
2
2 x 68-pin
2 x 68-pin
HD
HD
1 x 68-pin
2 x 68-pin
UHD
UHD
0, 1, 5, 10, 50
0, 1, 5, 10, 50
no
yes
256MB
128MB DDR
DDR2
off, write-
off, write-
through,
through,
write-back
write-back
read-ahead
read-ahead
(default),
(default),
off
off
(selectable)
(selectable)
48-72 hours
48-72 hours
40
40
32
32
LSI
LSI
LSI 53C1030
LSI 53C1030
Intel GC80332
Intel GC80332
PERC 4/Di
PERC 4/Di
(PE2600)
(PE1750)
Wide
Wide
Ultra320
Ultra320
32-bit / 33
PCI 2.2
MHz PCI
(Embedded)
(Embedded)
2
2
n/a
2 x 68-pin
(hardwired to
HD
backplane)
1 x 68-pin
1 x 68-pin
HD
UHD
0, 1, 5, 10, 50
0, 1, 5, 10, 50
no
no
128MB
128MB
DIMM
DDR2
off, write-
off, write-
through,
through,
write-back
write-back
read-ahead
read-ahead
(default),
(default),
off
off
(selectable)
(selectable)
48-72 hours
48-72 hours
40
40
32
32
LSI
LSI
LSI 53C1030
LSI 53C1030
Intel GC80303
Intel i80321
VER A02
11/17/2005