Dell PowerVault 221S Manuale - Pagina 14
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A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS
3. Dell's Product Offering
PowerVault™ 220S & 221S Storage Enclosure
Dell™ PowerVault 220xS systems are flexible, external SCSI expansion enclosures
designed to support multiple Dell storage environments and RAID configurations. Each
system offers maximized drive-spindle count, hot-plug hard drives, optional redundant
power, redundant cooling, rack mount capability, systems management features, and a
modular design for easy upgrades. Most major components, including hard drives and
power supply/cooling modules are hot-pluggable and can be removed and replaced
easily.
The PV22xS is available as two model types: the PV220S which fits within an industry
standard 19 inch rack, and the PV221S which is a free standing floor tower. Both models
leverage the same base mechanical frame, but differ with respect to the mounting
hardware and front bezel features. Dell offers a conversion kit to change from a PV220S
to a PV221S. Basic features and options common to both models are shown in Figure
3-1.
Performance
U320 SCSI speed
dual channel PCI-Express PERC 4
U320 controller
Capacity
4.2TB with 300GB hard drives
Up to 32 disks per virtual disk
Scalability
Up to eight enclosures per server
Scales up to 32TB per server
Manageability
Robust RAID management
Fully integrated solution
Affordability
Lower cost than Fibre Channel
Low cost non-redundant configs
PERC – PowerEdge™ RAID Controllers
The PowerEdge RAID Controller (PERC) is a high-performance, intelligent peripheral
component interconnect (PCI) and PCI-Express to Small Computer System Interface
PAGE 14
PowerVault 220S/221S Storage Arrays
FEATURES
Up to 14 1" SCSI U160 SCSI hard disk drives
73GB, 146 & 300GB 10K RPM or 18GB, 36GB & 73GB 15K RPM
disks
Supports RAID 0, 1, 5, 10, 50 with PERC 3 or PERC 4 RAID cards
3+1 Fan Redundancy, optional redundant power supply
Supports cables up to 12 meters from host server
Configurable in joined bus, split bus or cluster mode
Leverages PERC 3 U160 or PERC 4 RAID controller card
Allows 32 hard disk drive per virtual disk
Up to forty (40) virtual disks per controller
Dual channel and Quad Channel
Host clustering support (Microsoft Cluster Support)
Externally accessible Ultra3 (Ultra160) or Ultra 320 (U320) SCSI
3U form factor for rack dense environments
Figure 3-1 PV22xS Enclosure Features and Options
PV 220S Rack
SCSI Storage Array
VER A02
PV 221S Tower
SCSI Storage Array
11/17/2005