Dell MD3000 Virtual Disk Migration and Disk Roaming, Using Snapshot and Disk Copy Together

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Supported RAID Levels	36
RAID 0	36
RAID 1	36
RAID 5	36
RAID 10	36
RAID Level Usage	37
Segment Size	37
Hot Spares and Rebuild	37
Global Hot Spares	38
Hot Spare Operation	38
Rebuild	38
Media Errors and Unreadable Sectors	38
RAID Operations and Features	39
Virtual Disk Operations	39
Disk Group Operations	40
RAID Background Operations Priority	42
Virtual Disk Migration and Disk Roaming	42
Advanced Features	44
Storage Partitions	44
Host Types	45
Snapshot Virtual Disks	46
Snapshot Repository Virtual Disk	46
Virtual Disk Service	46
Volume Shadow-Copy Service	47
Virtual Disk Copy	47
Using Snapshot and Disk Copy Together	48
Hardware Redundancy and Failover	49
Redundancy and Non-Redundancy	49
Multi-Path Software	49
Host Bus Adapters	50
Host Cabling for Redundancy	50
When a RAID Controller Module Is Replaced or Removed	52
RAID Controller Failover Modes	53
RAID Enclosure Thermal Shutdown	53

Contents

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Contents Dell PowerVault MD3000 RAID Enclosure W . d e l l . c o m s u p p o r t . d e l l . c o mFebruary Contents When a RAID Controller Module Is Replaced or Removed Using Snapshot and Disk Copy TogetherVirtual Disk Migration and Disk Roaming Safety First-For You and Your Enclosure Troubleshooting Enclosure Cooling Problems Returning Items for Warranty Repair or Credit103 111Overview Enclosure FeaturesAbout Your System Other Information You May Need Modular Disk Storage ManagerHardware Features Indicators on the Enclosure BezelFront-Panel Indicators and Features Power greenShould always be unlit EnclosurePower LED green Enclosure mode switchSplit mode LED green Steady green Back-Panel Indicators and Features RAID Controller Modules Off Battery backup unit and battery is operating Green All links in port connectedEach SAS port Off All links in port disconnected or cableRAID Controller Module Battery backup unit BBU tray Cache Functions and Features Battery Backup UnitAC power LED Power Supply and Cooling Fan FeaturesCooling fans On/off switch Page About Your System Before You Begin About the Enclosure ConnectionsRail kit Any relevant documentation, including Cabling Your RAID EnclosureCabling the Enclosure Single SAS In-Port ConfigurationsRedundancy vs. Nonredundancy MD1000 Expansion Enclosure Single-HBA host server MD1000 Expansion Enclosure Cabling Your RAID EnclosureMD3000 RAID Enclosure Dual SAS In-Port Configurations RAID controller module Single-HBA host server MD1000 Expansion EnclosurePage Page Page Expanding with Previously Configured MD1000 Enclosures Attaching MD1000 Expansion EnclosuresExpanding with New MD1000 Enclosures Cabling Your RAID Enclosure Physical Disks, Virtual Disks, and Disk Groups Using Your RAID EnclosurePhysical Disks Physical Disk States Self-Monitoring Analysis and Reporting Technology SmartSupported RAID Levels Virtual Disks and Disk GroupsDisk failures may result in data loss OfflineRAID RAID Level Usage Hot Spares and RebuildSegment Size Media Errors and Unreadable Sectors Global Hot SparesHot Spare Operation RebuildRAID Operations and Features Virtual Disk OperationsBackground Initialization Foreground InitializationRAID Level Migration Disk Group OperationsCycle Time Page RAID Background Operations Priority Virtual Disk Migration and Disk RoamingUsing Your RAID Enclosure Advanced Features Storage PartitionsHost Types Snapshot Virtual Disks Virtual Disk ServiceSnapshot Repository Virtual Disk Volume Shadow-Copy Service Virtual Disk CopyUsing Snapshot and Disk Copy Together Redundancy and Non-Redundancy Hardware Redundancy and FailoverMulti-Path Software Host Bus Adapters Host Cabling for RedundancyUsing Your RAID Enclosure When a RAID Controller Module Is Replaced or Removed RAID Enclosure Thermal Shutdown RAID Controller Failover ModesUpdating Enclosure Firmware RAID Controller Module FirmwarePhysical Disk Firmware Expansion Enclosure FirmwareRecommended Tools Installing Enclosure ComponentsRemoving and Replacing the Front Bezel Removing and Installing Physical Disks Removing Physical Disks from the EnclosureInstalling SAS Physical Disks in the Enclosure Physical disk Removing and Installing a RAID Controller Module Removing a RAID Controller ModuleInstalling a RAID Controller Module Removing and Installing a RAID Controller Module Release tabBattery unit Removing and Installing the Power Supply/Cooling Fan Module Removing a Power Supply/Cooling Fan ModuleInstalling a Power Supply/Cooling Fan Module Removing and Installing the Control Panel Removing the Control PanelInstalling the Control Panel Removing and Installing the Midplane Removing and Replacing the Controller/Power Supply Cage Controller/power supply cagePage Safety First-For You and Your Enclosure Troubleshooting External ConnectionsTroubleshooting Your Enclosure Start-Up RoutineTroubleshooting a Wet Enclosure Troubleshooting a Damaged EnclosureProblem Liquid spilled on the enclosure Excessive humidityTroubleshooting Power Supplies Troubleshooting SAS Physical Disks Troubleshooting Enclosure Cooling ProblemsTroubleshooting a Fan Physical disk status LED is flashing amber Single physical disk is not seen in MD Storage ManagerMultiple physical disks are not seen in MD Storage Manager Troubleshooting Enclosure Connections ECC ErrorsPCI Errors Hard Controller Failures and Lockdown ConditionsCritical Conditions Noncritical ConditionsTroubleshooting Your Enclosure Obtaining Assistance Online ServicesGetting Help AutoTech Service Automated Order-Status ServiceDell Enterprise Training Problems With Your Order Support ServiceBefore You Call Contacting DellTechnical Support Dell Dimension, Dell Technical Support ServicesTechnical Support SalesSwitchboard International Access Code Tech Support for XPSCity Code Home/Small Business Fax Home/Small Business Customer CareSupport Customer Service Home/Home Office Customer Service small/med./large businessHardware Warranty Phone Support Home/Home Office Hardware Warranty Phone SupportTechnical Support Dimension and Inspiron Technical Support projectors, PDAs, switchesTechnical Support OptiPlex, Latitude, and Dell Precision Technical Support servers and storageInternational Access Code Technical Support for XPS Switchboard RelationalSwitchboard Fax Relational Switchboard Home/Small BusinessGeneral Support calling from Guayaquil Mail fisupport@dell.com Country Code Technical SupportCity Code Customer Care Sales under 500 employeesSwitchboard calls from outside of France Country Code Technical Support for XPSCity Codes 1 Technical Support for all other Dell computers Fax calls from outside of FranceInternational Access Code Technical Support Country Code Gold Service Technical SupportGold Service Switchboard Routers, and so on Customer CareTechnical Support portables, desktops, servers, Storage Sales Large Corporate AccountsSales Home and Small Business City Code Ireland SalesCountry Code Technical Support Technical Support outside of Japan Dimension Inspiron Technical Support Dell Precision, OptiPlex,Latitude Technical Support outside of Japan Dell Precision Routers Technical Support outside of Japan projectorsCity Code Support Dimension, PDA, Electronics, Accessories SalesCustomer Service Austin, Texas, U.S.A Fax Technical Support and Customer ServiceInternational Access Code Technical Support XPS City Code Latitude Technical Support Dimension, Inspiron,Customer Service Country Code Technical Support Dell Precision, OptiPlex,Switchboard Fax Fax SwitchboardRelational Customer Care Relational SalesReception Desk Fax Customer Service FaxCountry Code Customer Care Precision Technical Support PowerApp, PowerEdge Switchboard SalesInternational Access Code Mail dellzasupport@dell.com Technical Support, Customer Service, and SalesCity Code Relational Customer Care Employee Purchase Program EPP SupportCity Code Technical Support Home and Small Business for All other Dell products Technical Support CorporatePowerConnect, and PowerVault Customer Care Technical Support OptiPlex, Latitude, InspironInternational Access Code Country Code City Code Mail delldirectsupport@dell.com Customer Care websiteHome and Small Business Sales Corporate/Public Sector Sales100 101 102 BTU British thermal unit Amperes AC Alternating currentCelsius 104 Cm Centimeters Cmos Complementary metal-oxide semiconductor105 Fahrenheit106 LVD Low voltage differential Meters MA Milliamperes107 108 System diskette See bootable disketteTCP/IP Transmission Control Protocol/Internet Protocol 109 Volts VAC Volts alternating current VDC Volts direct current110 Redundancy consistency check Safety Segment size migrationIndex Index

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MD3000 specifications

The Dell MD3000 is a renowned storage area network (SAN) solution recognized for its flexibility, scalability, and high performance. Designed to meet the demands of small to medium-sized businesses (SMBs) and enterprise environments, the MD3000 offers a plethora of features that enhance data management and storage capabilities.

One of the standout features of the MD3000 is its modular design. This allows users to start with a basic configuration and expand their storage capacity as their needs grow. The system can support up to 30 drives, including both SATA and SAS drives, giving users the ability to optimize cost and performance based on their specific requirements. With support for a diverse range of drive types, the MD3000 ensures that businesses can implement a storage solution that aligns perfectly with their performance and budgetary needs.

The MD3000 leverages advanced technologies to deliver exceptional performance and reliability. It is equipped with Intelligent Disk Pools that optimize the allocation of data across drives, ensuring improved access speeds and overall system efficiency. This dynamic management of data not only enhances performance but also extends the lifespan of the storage devices.

Data protection is another critical component of the MD3000. The system features various RAID configurations, allowing users to choose the level of redundancy that suits their operational requirements. Additionally, robust snapshot capabilities help businesses create point-in-time copies of their data, enabling quick recovery in case of data loss or corruption.

Connectivity options are abundant with the MD3000. It supports both iSCSI and Fibre Channel, providing users the flexibility to integrate it seamlessly into existing network infrastructures. This adaptability makes it an attractive option for organizations looking to modernize their storage systems without overhauling their entire architecture.

Furthermore, the MD3000 is equipped with a user-friendly management interface. The GUI enables quick provisioning and monitoring of storage resources while providing insightful analytics and alerts, allowing IT teams to maintain optimal performance with ease.

In summary, the Dell MD3000 is a highly versatile and efficient storage solution that meets diverse organizational needs. Its scalable architecture, advanced features, and strong support for data protection and management make it an ideal choice for businesses aiming to enhance their storage capabilities while ensuring reliability and performance. Whether for virtualization, database management, or general storage needs, the MD3000 stands out as an excellent investment in enterprise storage technology.

RAID 0

Virtual Disk Migration and Disk Roaming

Using Snapshot and Disk Copy Together

When a RAID Controller Module Is Replaced or Removed

MD3000 specifications