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PERC H200 and 6Gbps SAS HBA Features: Dell PowerEdge RAID Controller (PERC) H200 and 6Gbps SAS HBA User's Guide

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PERC H200 and 6Gbps SAS HBA Features

Dell™ PowerEdge™ RAID Controller (PERC) H200 and 6Gbps SAS HBA User's Guide

  LED Port Activity Feature for 6Gbps SAS HBA Only

  Physical Disk Cache Policy


This section provides the specifications of the Dell™ PowerEdge™ RAID Controller (PERC) H200 and 6Gbps SAS HBA cards.

Table 3-1 compares the specifications of the PERC H200 Adapter and PERC H200 Integrated and PERC H200 Modular cards.

Table 3-1. Specifications of PERC H200 

Specification

PERC H200 Adapter

PERC H200 Integrated

PERC H200 Modular

SAS technology

Yes

Yes

Yes

Support for x4 or x8 PCI-E Host Interface

Yes

Yes

Yes

Form Factor

Half-Height, Half-Length PCI Adapter

Half-Height, Half-Length PCI Adapter

Custom

I/O Controller (IOC)

LSI SAS 2008

Core Speed: 533 MHz

LSI SAS 2008

Core Speed:
533 MHz

LSI SAS 2008

Core Speed: 533 MHz

Operating voltage requirements

+12V, +3.3V, +3.3Vaux

+12V, +3.3V, +3.3Vaux

+12V, +3.3V, +3.3Vaux

Communication to the system

PCI-E lanes

PCI-E lanes

System dependent

Communication to end devices

SAS Links

SAS Links

SAS Links

SAS Connectors

2x4 internal

2x4 internal

SAS connectivity routed through
PCI-E connector

Lead Free

Yes

Yes

Yes

Supported operating systems

Microsoft® Windows Server® 2003 family, Microsoft Windows Server 2008 family, Windows Server 2008 R2, Red Hat® Enterprise Linux® version 4 Update 7 and later, version 5 Update 3 and later, SUSE® Linux Enterprise Server version 10 Service Pack 2 and later (64-bit only), and version 11 Gold and later (64-bit only).

Dell-compliant SAS and SATA compatibility

Yes

Yes

Yes

Dell supported direct connected end devices

Dell-compliant physical disks

Dell-compliant physical disks

Dell-compliant physical disks

SMART error support through management applications

Yes

Yes

Yes

Backplane supported systems

Yes

Yes

Yes

Hardware-based RAID

RAID 0, RAID 1, RAID 10

RAID 0, RAID 1, RAID 10

RAID 0, RAID 1, RAID 10

Maximum number of virtual disks

2

2

2

Storage management software

Dell OpenManage™ Storage Services

OpenManage Storage Services

OpenManage Storage Services

NOTE: The management software that is supported depends on the specific platform.

Support for internal tape drive

Yes

No

No

Support for Global Hotspare

Yes

Yes

Yes

Maximum number of physical disks

16

16

4

Maximum number of physical disks configured in a single RAID disk

10

10

4

Maximum number of configured disks (including hot spares)

14

14

4

NOTE: The actual number of drives that is supported depends on the specific platform and expander support.

6Gbps Expander Support

Yes

Yes

No

Maximum number of Hotspares

2

2

2

Table 3-2 lists the specifications of the 6Gbps SAS HBA.

Table 3-2. Specifications of 6Gbps SAS HBA

Specification

6Gbps SAS HBA

SAS technology

Yes

Support for x8, or x8 Full-Size PCI Express Host Interface

Yes

Form Factor

Half-Size, Half-Length PCI Adapter

I/O controller (IOC)

LSI SAS 2008

Core Speed

533 MHz

Operating voltage requirements

+12V, +3.3V, +3.3Vaux

Communication to the system

PCI-E lanes

Communication to end devices

SAS Links

Connectors

2x4 Mini-SAS

Lead Free

Yes

Supported operating systems

Microsoft Windows Server 2003 family, Microsoft Windows Server 2008 family, Windows Server 2008 R2, Red Hat Enterprise Linux version 4 Update 7 and later, version 5 Update 3 and later, SUSE Linux Enterprise Server version 10 Service Pack 2 and later (64-bit only), and version 11 Gold and later (64-bit only).

Dell-compliant SAS and SATA compatibility

Yes

Dell-supported direct connected end devices

Dell-supported external tape devices.

Hot add or Hot remove of end devices

Yes

Support for external tape drive

Yes

Port activity or status LEDs

Yes

Hardware-based RAID

No


LED Port Activity Feature for 6Gbps SAS HBA Only

The 6Gbps SAS HBA controllers are equipped with port activity or status LEDs. The LEDs enable you to quickly determine the status of an external SAS port. Each x4 connector has its own set of LEDs.

Table 3-3 describes the color of the LEDs and corresponding SAS port state.

Table 3-3. x4 Connector LEDs Description

LED Color

SAS Port State

Off

It means any one of the following:

  • Power is off.
  • Port has been reset.
  • All links in the port are either disconnected or the cable is disconnected.

Green

All links in the port are connected and functional.

Amber

One or more links in the port is not connected. This is only applicable in a wide port configuration.


Physical Disk Cache Policy

The default cache policy on a physical disk is Enabled in SATA drives and Disabled on SAS drives. When physical disk caching is Enabled, disk I/O performance is improved, but a power outage or equipment failure might result in data loss or corruption.

NOTE: It is recommended that you use a backup power source for all Dell production systems.

On a PERC H200 card, caching is forced to be disabled for all physical disks configured into a virtual disk, regardless of the drive type and default drive settings.

Unsupported Drives

Drives that are not certified by Dell are reported in the BIOS Configuration Utility, also known as <Ctrl><C>.

To view unsupported drives:

  1. In the BIOS Configuration Utility, navigate to the SAS Topology screen.

  2. Select the unsupported drive and press <Alt><D> to view the Device Properties screen.

The drive is marked as Uncertified in the Device Properties screen.

Drives that are not certified by Dell are not blocked and you can use them at your own risk.


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