Dell PowerVault 221S (SCSI) - Manual (Page 14)

A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02
PAGE 14 11/17/2005
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.
Figure 3-1 PV22xS Enclosure Features and Options
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
Capacity
ƒ 4.2TB with 300GB hard drives
ƒ Up to 32 disks per virtual disk
Scalability
ƒ Up to eight enclosures per server
ƒ Scales up to 32TB per server
Manageability
ƒ Robust RAID management
ƒ Fully integrated solution
FEATURES
ƒ
Up to 14 1” SCSI U160 SCSI hard disk drives
ƒ 73GB, 146 & 300GB 10K RPM or 18GB, 36GB & 73GB 15K RPM
disks
ƒ Supports RAID 0, 1, 5, 10, 50 with PERC 3 or PERC 4 RAID cards
ƒ 3+1 Fan Redundancy, optional redundant power supply
ƒ Supports cables up to 12 meters from host server
ƒ Configurable in joined bus, split bus or cluster mode
ƒ Leverages PERC 3 U160 or PERC 4 RAID controller card
ƒ Allows 32 hard disk drive per virtual disk
ƒ Up to forty (40) virtual disks per controller
ƒ Dual channel and Quad Channel
ƒ Host clustering support (Microsoft Cluster Support)
ƒ Externally accessible Ultra3 (Ultra160) or Ultra 320 (U320) SCSI
ƒ 3U form factor for rack dense environments
PowerVault 220S/221S Storage Arrays
Affordability
ƒ Lower cost than Fibre Channel
ƒ Low cost non-redundant configs
PV 221S Tower
SCSI Storage Array
PV 220S Rack
SCSI Storage Array
Performance
ƒ U320 SCSI speed
ƒ dual channel PCI-Express PERC 4
U320 controller