Dell S100 Appendix a, Controller Specifications, Read, Write, and Cache Policy, S300 adapter

Page 77

A

Appendix A

Controller Specifications

This section contains information about the Dell PowerEdge RAID Controller (PERC) S100 and S300 adapter specifications:

Read, write, and cache policy

Physical and virtual disk tasks

Virtual disk specifications

Supported RAID levels

Read, Write, and Cache Policy

Table A-1 indicates the read, write, and cache policies that are supported/not supported by the PERC S100 Adapter and PERC S300 adapter.

Table A-1. Read, Write, and Cache Policy for the PERC S100 adapter and PERC S300 adapter

Category

Supported by PERC S100 Adapter, PERC

 

S300 adapter

 

 

Cache Settings

Yes

 

 

Read/Write

Yes

 

 

Read Only

Yes

 

 

None (Read/Write)

Yes

 

 

CAUTION: The current default for Write-Cache mode enablement is

Write Through, Non Read Ahead (WT, NRA). To enable Write Back (WB), a UPS is recommended.

Appendix A

77

Image 77
Contents User’s Guide February Contents Complete the Hardware Installation Installing the Perc S300 AdapterInstalling the Microsoft Windows Drivers Physical Disk-Related ErrorsIndustry Canada Notice Canada Only RAID Technology Understanding Disk ArraysContents Page Safety When Working Inside Your System Safety GeneralProtecting Against Electrostatic Discharge Page Introduction OverviewOverview Supported Platforms Physical disks RequirementsOverview Boot to it Summary of RAID Levels About RAIDDisk Mirroring RAID TerminologyDisk Striping Parity Data Spanned RAID LevelsExample of Distributed Parity RAID Description FeaturesGeneral Features Description Allows hot-swapping Physical disks, in the same virtual disk That supports hot-swapping DisksBackplane with hot-swap capability Features Migration during an OCE Virtual diskSpecifications RAID General Considerations Hardware InstallationBefore You Begin Installing the Perc S300 Adapter Installing a Perc S300 Adapter Connecting the Cables Connect Physical Disks to the Perc S300 Adapter Complete the Hardware InstallationHardware Installation Downloading the Controller Driver Media Installing the DriversInstalling the Microsoft Windows Drivers To Use Pre-Installation Requirements for the Controller DriversOperating System And Device Driver Media Sata Controller to either ATA Mode or Ahci Pre-Installation Procedures For The Controller Drivers Steps DVD, and so on, perform the following For Microsoft Windows Server 2008 and Windows Server 2008 R2 For Microsoft Windows Server For Microsoft Windows Server 2008 and Windows Server 2008 R2 Installing the Drivers Installing the Drivers Perc Virtual Disk Management Utility Operations Description RAID Configuration ManagementAccessing the Perc Virtual Disk Management Utility Perc Virtual Disk Management Text Colors Description Initializing Physical Disks Before You Begin Creating Virtual DisksRAID Configuration and Management Deleting Virtual Disks RAID Configuration and Management Swapping Two Virtual Disks Delete a Global Hot Spare Managing Global Hot SparesCreate a Global Hot Spare Viewing Virtual Disk Details Viewing Physical Disk DetailsController Options Controller Options Description How to OperateRescanning Disks Pause if Degraded Continuing to BootRAID Configuration and Management RAID Mode to ATA Mode TroubleshootingSystem Startup Problems Boot Mode, Boot Sequence Bios Bios Screen Corrective Action Lost This warning message appears when multiple virtual disks are This warning message appears when From virtual disk creation Virtual Disk-Related Errors A Virtual Disk is in a Failed State On the virtual diskRedundant virtual disk 12. Cannot Create a Global Hot Spare Select View Virtual Disk Details 14. a Dedicated Hot Spare Fails Physical Disk-Related ErrorsTroubleshooting Appendix a Controller SpecificationsRead, Write, and Cache Policy S300 adapterPhysical Disk Tasks Controller TasksTable A-3. Physical Disk Tasks Physical Disk Task Name Perc S300 adapterSupported RAID Levels Virtual Disk TasksTable A-4. Virtual Disk Tasks Virtual Disk Task Name AdapterVirtual Disk Specifications RAID Technology Understanding Disk Arrays and Virtual Disks Appendix BUnderstanding RAID Levels Appendix B Table B-2. Physical Disk States Definition Disk States Virtual and Physical DisksTable B-3. Virtual Disk States State Definition Failure StatesCreating Virtual Disks Future Expansion Table B-5. Minimum and Maximum Physical Disk ConfigurationsUnderstanding Physical Disks Physical Disk StatesRescanning Physical Disks for Changes in State Dedicated Hot SparesGlobal Hot Spares Regulatory Notices Appendix CFCC, Class a FCC Notice U.S. OnlyFCC, Class B CE Notice European Union Industry Canada Notice Canada OnlyIndustry Canada, Class a Industry Canada, Class BAppendix C CE Mark Notice Contacting Dell Appendix DAppendix D Index Index Index 100 101 102 103 Glossary104 105 106 Acronym for nanoseconds, one billionth of a second 107108 109 110
Related manuals
Manual 81 pages 24.45 Kb Manual 81 pages 29.77 Kb