Dell S100, S300 manual Failure States, Table B-3. Virtual Disk States State Definition

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Table B-3. Virtual Disk States

State Definition

Degraded A physical disk in a redundant virtual disk has failed. Additional failures might result in lost data.

Failed One or more physical disks have failed. The virtual disk has gone offline. The virtual disk cannot restore the data.

Non-RaidA Non-Raid physical disk is automatically linked to a Non-Raid virtual disk for use with a PERC S100 controller or PERC S300 controller.

Normal A virtual disk has been created and its preparation process has been completed.

Ready A redundant virtual disk has been created, and is ready for additional preparation.

Failure States

Whether a virtual disk is marked as Failed or Degraded depends upon what RAID level virtual disk it is, and how many physical disks of the virtual disk have failed. In Table B-4 note the changes in state.

If a rescan of all channels is performed after disconnecting a physical disk, the state of every virtual disk using the disconnected physical disk changes from the Ready state to either the Failed or Degraded state, depending on the virtual disk’s RAID level.

For additional information about rescanning to update storage configuration changes, see the OpenManage documentation available on the Dell Support website at support.dell.com/manuals.

Table B-4. Failure Status by Virtual Disk RAID Level

Virtual Disk RAID Level	Failure Status	Description

RAID 1, RAID 5	Degraded	A single physical disk fails.

RAID 10	Degraded	A single physical disk fails in one or
		more of the mirrored sets.

Volume, RAID 0	Failed	A single physical disk fails.

RAID 1 or RAID 5	Failed	Two or more physical disks fail.

RAID 10	Failed	Two physical disks in a mirrored set
		fail.

Appendix B

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Image 85

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 Striping RAID TerminologyDisk Mirroring Parity Data Spanned RAID LevelsExample of Distributed Parity RAID General Features FeaturesDescription 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 Before You Begin Hardware InstallationGeneral Considerations 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 Installing the Microsoft Windows Drivers Installing the DriversDownloading the Controller Driver Media Operating System And Device Driver Media Pre-Installation Requirements for the Controller DriversTo Use 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 Create a Global Hot Spare Managing Global Hot SparesDelete a Global Hot Spare Viewing Virtual Disk Details Viewing Physical Disk DetailsRescanning Disks Controller Options Description How to OperateController Options Pause if Degraded Continuing to BootRAID Configuration and Management System Startup Problems TroubleshootingRAID Mode to ATA Mode 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 B Understanding 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

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