Dell PowerVault 221S Manual - Página 15

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Também para Dell PowerVault 221S: Aviso (28 páginas), Atualização do firmware (14 páginas), Manual de serviço (33 páginas)

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Dell PowerVault 221S Manual
A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS
(SCSI) host adapter with RAID control capabilities. It provides reliable fault-tolerant disk
subsystem management and is an ideal RAID solution for internal storage in Dell's
PowerEdge enterprise systems. The RAID controller offers a cost-effective way to
implement RAID in a server.
Dell is currently offering its fourth generation of RAID controllers, the PERC 4e family,
supporting the industry standard Ultra320 SCSI storage interconnect. PERC 4e RAID
controllers support the PCI-Express host interconnects for maximum bandwidth
connectivity & expandability. The PERC 4e family of controllers includes the PERC 4e/SI
and PERC 4e/DI for RAID On Motherboard solutions and the PERC 4e/DC add-in HBA.
The following matrix describes the benefits of each solution.
Previous generations of PERC have included the PERC 2, PERC 3 and PERC 4 families.
The following PERC solutions support the PowerVault 220S and 221S External SCSI
Storage solution:
Maximum
Speed
80 MB/s
160 MB/s
320 MB/s

SCSI Cabling

HBA and PERC controllers support a low-voltage differential (LVD) SCSI bus. LVD
enables cables up to 12 meters long. Throughput on each SCSI channel can be as high
as 320 MB/sec.
PAGE 15
• Table 3-1: PERC Solution supported by PV22xS
Card
PERC 2/DC
PERC 2/QC
39160 HBA
PERC 3/DC
PERC 3/QC
PE 2600 ROMB (PERC 4/Di on this server)
PE 1750 ROMB (PERC 4/Di on this server)
PERC 4/SC
PE 2800 ROMB (PERC 4e/Di on this server)
PE 2850 ROMB (PERC 4e/Di on this server)
PE 6800 ROMB (PERC 4e/Di on this server)
PE6850 ROMB (PERC 4e/Di on this server)
PERC 4/DC (PCI, dual channel U320 RAID add-in HBA)
PERC 4e/DC (PCI-Express, dual channel U320 RAID add-
in HBA)
VER A02
11/17/2005