Dell PERC 4/DC Manual de usuario descargar pdf (Pagina 7)

Array Performance Features

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Table2-6 displays the array performance features for the RAID controller.

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Table 2-6.ArrayPerformanceFeatures

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Fault Tolerance Features

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Table2-7 describes the fault tolerance capabilities of the RAID controller.

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Table 2-7.FaultToleranceFeatures

Thelengthofdataretentiondependsonthecachememoryconfiguration.

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Operating System Software Drivers

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Operating System Drivers

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Drivers are provided to support the controller on the following operating systems:

l Windows®2000

l Windows 2003

l Novell®NetWare®

l Red Hat®Linux, Advanced Server, Enterprise

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See the CERC and PERC RAID Controllers Operating System Driver Installation Guide for more information about the drivers.

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SCSI Firmware

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Specification

PERC 4/SC, PERC 4/DC, and PERC 4e/DC

PCI host data transfer rate

2 - 4 GB/sec, depending on the system

Drive data transfer rate

Up to 320 MB/sec

Maximum size of I/O requests

6.4 MB in 64 KB stripes

Maximum queue tags per drive

As many as the drive can accept

Stripe sizes

8 KB, 16 KB, 32 KB, 64 KB, or 128 KB

Maximum number of concurrent commands

255

Support for multiple initiators

Only on PERC 4/DC and PERC 4e/DC

Specification

PERC 4/SC

PERC 4/DC

PERC 4e/DC

Support for SMART

Yes

Optional battery backup for cache memory

N/A

Yes. Up to 72 hours data retention.

Drive failure detection

Automatic

Drive rebuild using hot spares

Automatic

Parity generation and checking

Yes

User-specified rebuild rate

Yes

NOTE: We support both 32-bit (x86) and 64-bit (IA64) processors for Windows 2003 and Red Hat Linux.

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Dell PERC 4/DC Manual de usuario Pagina 7

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