Dell PowerVault MD3000i Bedienungsanleitung Seite 1

www.dell.com | support.dell.comDell™ PowerVault™MD3000i RAID EnclosureHardware Owner’s Manual

10 About Your System• Two redundant, hot-pluggable power supply/fan modules• 512 MB of mirrored cache on each RAID controller module• Battery backup u

100 GlossaryUSB — Universal Serial Bus. A USB connector provides a single connection point for multiple USB-compliant devices, such as mice and keyboa

Glossary 101win.ini file — A start-up file for the Windows operating system. When you start Windows, it consults the win.ini file to determine a varie

102 Glossary

Index 103IndexCconsistency check, 36contacting Dell, 84control panelinstalling/removing, 66cooling fanfeatures, 24troubleshooting, 75Ddamaged systemst

104 Indexmidplaneinstalling and replacing, 68Pphone numbers, 84physical diskabout, 27consistency check, 36installing, 58mode, status, 28removing, 57tr

Index 105Vvirtual diskabout, 27initializing, 35migration, 40recovery, 48Wwarranty, 11

106 Index

About Your System 11Modular Disk Storage ManagerThe Modular Disk (MD) Storage Manager software is a graphic interface with wizard-guided tools and a t

12 About Your System• Updates are sometimes included to describe changes to the enclosure, software, and/or documentation. NOTE: Always check for upd

About Your System 13Each MD3000i RAID controller module also contains a SAS Out port connector. This port allows you the option to connect the RAID en

14 About Your SystemFront-Panel Indicators and FeaturesFigure 1-2 shows the LED indicators and components on the enclosure’s front panel (optional loc

About Your System 15Figure 1-2. Front-Panel Features1 enclosure status LED2 power LED 3 split mode LED (not used)4 enclosure mode switch5 physical dis

16 About Your SystemPhysical Disk Carrier LED IndicatorsEach physical disk carrier in your enclosure has two LEDs: an activity LED (green) and a bicol

About Your System 17Figure 1-3. Physical Disk Carrier LED Indicators1 activity LED 2 status LED Table 1-3. Physical Disk Carrier Status LEDsStatus LE

18 About Your SystemBack-Panel Indicators and FeaturesFigure 1-4 shows the back-panel features of the enclosure. A fully populated enclosure with dual

About Your System 19Each RAID controller module provides data path and enclosure management functions for your enclosure, including:• Monitoring and c

Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates

20 About Your System• Eleven LEDs (two iSCSI In link speed/activity, two iSCSI In link duplex mode, two Ethernet link/speed, battery fault, SAS link f

About Your System 214 iSCSI In Port 1 Link Speed/Activity Status LEDGreen: Link is operating at 1000 Mbps.Amber: Link is operating at 100 Mbps.Off: iS

22 About Your SystemThe RAID controller module connects to the enclosure midplane via the two midplane connectors on its internal (rear) panel. The RA

About Your System 23Battery Backup UnitEach RAID controller contains a three-cell lithium-ion battery backup unit (BBU) that powers the controller’s c

24 About Your SystemCache Functions and FeaturesCache MirroringThe cache mirroring function copies accepted host-write data from the primary controlle

About Your System 25 CAUTION: A power supply/cooling fan module can be removed from a powered-on enclosure for a maximum period of no more than 5 min

26 About Your SystemTable 1-5. Power Supply/Cooling Fan Module LED IndicatorsType Color Icon FunctionDC power Green On: DC output voltages are within

Using Your RAID Enclosure 27Using Your RAID EnclosureThis section covers the following information:• Basic concepts of a RAID solution including physi

28 Using Your RAID EnclosureAll virtual disks in a disk group support the same RAID level. The RAID enclosure supports up to 256 virtual disks (minimu

Using Your RAID Enclosure 29If a disk drive rebuild fails because of a source drive failure or because the drive is too small, the user interface repo

Contents 3Contents1 About Your System . . . . . . . . . . . . . . . . . . 9Overview . . . . . . . . . . . . . . . . . . . . . . . . . 9Enclosure

30 Using Your RAID EnclosureVirtual Disks and Disk GroupsWhen configuring a storage array, you would normally proceed in this order:• Organize the phy

Using Your RAID Enclosure 31Supported RAID LevelsRAID levels determine the way in which data is written to physical disks. Different RAID levels provi

32 Using Your RAID EnclosureRAID 5RAID 5 uses parity and striping data across all physical disks (distributed parity) to provide high data throughput

Using Your RAID Enclosure 33Segment SizeDisk striping enables data to be written across multiple physical disks. Disk striping enhances performance be

34 Using Your RAID Enclosurecalled copy back. By default, the RAID controller module automatically configures the number and type of hot spares based

Using Your RAID Enclosure 35Other conditions under which sectors are added to the unreadable sector log include:• A media error is encountered when tr

36 Using Your RAID EnclosureForeground InitializationThe RAID controller module firmware supports full foreground initialization for virtual disks. Al

Using Your RAID Enclosure 37The RAID controller module tracks the cycle for each disk group independent of other disk groups on the controller and cre

38 Using Your RAID EnclosureDynamic segment size migration enables the segment size of a given virtual disk to be changed. A default segment size was

Using Your RAID Enclosure 39Disk Group DefragmentationDefragmenting consolidates the free capacity in the disk group into one contiguous area. Defragm

4 ContentsSupported RAID Levels . . . . . . . . . . . . . . . . . 31RAID 0 . . . . . . . . . . . . . . . . . . . . . . . 31RAID 1 . . . . . . . .

40 Using Your RAID EnclosureVirtual Disk Migration and Disk RoamingVirtual disk migration is moving a virtual disk or a hot spare from one array to an

Using Your RAID Enclosure 41Use either of the following methods to move disk groups and virtual disks:• Hot virtual disk migration — Disk migration wi

42 Using Your RAID Enclosure• Enabling premium features before migration — Before migrating disk groups and virtual disks, enable the required premium

Using Your RAID Enclosure 43Storage partitions give multiple host servers or host groups access to the same host server-to-virtual disk mappings. With

44 Using Your RAID EnclosureYou can manually configure a host server-to-virtual disk mapping. When you configure host server-to-virtual disk mapping,

Using Your RAID Enclosure 45Snapshots are used to recover previous versions of files that have changed since the snapshot was taken. Snapshots are imp

46 Using Your RAID EnclosureVirtual Disk ServiceThe Microsoft Virtual Disk Service (VDS) is supported on your RAID storage array. Microsoft VDS is a s

Using Your RAID Enclosure 47Storage Management VSS Hardware Provider Tips:• The number of snapshot virtual disks that can be created using a single sn

48 Using Your RAID EnclosureYou can find more details on using the virtual disk copy feature in the MD Storage Manager User’s Guide.Virtual Disk Recov

Using Your RAID Enclosure 49 NOTE: The best practice for ensuring data access is to avoid a configuration with a single point of failure. A single po

Contents 5When a RAID Controller Module Is Replaced or Removed. . . . . . . . . . . . . . . . . . . . . 50RAID Controller Failover Modes. . . . . .

50 Using Your RAID EnclosurePreferred and Alternate Controllers and Paths A preferred controller is a RAID controller module designated as the owner o

Using Your RAID Enclosure 51• Failover occurred due to either RAID controller module lockdown, replacement, or path failover. NOTE: Clustering requir

52 Using Your RAID EnclosureThermal ShutdownEnclosure management provides a feature which automatically shuts down the enclosure when the temperature

Using Your RAID Enclosure 53optimal. Downloading firmware when either or both controllers are non-optimal may result in unsynchronized firmware and ca

54 Using Your RAID EnclosureBest Practices and RecommendationsThe MD3000i RAID array supports a variety of configurations. To take full advantage of i

Installing Enclosure Components 55Installing Enclosure ComponentsThis section explains how to install the following components:• Front bezel (optional

56 Installing Enclosure ComponentsFigure 3-1. Installing and Removing the Front Bezel4To replace the bezel, insert the interlocking notch into the U-s

Installing Enclosure Components 57Removing Physical Disks from the Enclosure NOTICE: To avoid damage, never leave a physical disk carrier partially re

58 Installing Enclosure Components3Open the physical disk carrier handle by rotating it downward.4Gently but firmly pull the physical disk carrier fro

Installing Enclosure Components 59Figure 3-3. Installing a SAS Physical Disk in the Carrier2With the physical disk carrier handle open, carefully alig

6 ContentsRemoving and Installing the Control Panel . . . . . . . 66Removing the Control Panel . . . . . . . . . . . . 66Installing the Control Pa

60 Installing Enclosure Components4Rotate the carrier handle to the closed position while continuing to push the carrier into the slot.The status LED

Installing Enclosure Components 61Figure 3-4. Removing and Installing a RAID Controller Module Installing a RAID Controller Module1Carefully insert th

62 Installing Enclosure ComponentsRemoving and Installing a RAID Controller Module Backup Battery UnitEach RAID controller module has a battery unit t

Installing Enclosure Components 63Figure 3-5. Removing and Installing a RAID Controller Module Backup Battery Unit 4Unscrew the thumbscrew holding the

64 Installing Enclosure ComponentsRemoving and Installing the Power Supply/Cooling Fan ModuleYour enclosure supports two separate modules containing a

Installing Enclosure Components 65Figure 3-6. Replacing the Power Supply CAUTION: The power supply/cooling fan modules are heavy. Use both hands when

66 Installing Enclosure Components2Gently push the module all the way to the back of the bay until it is firmly seated in the backplane connector. The

Installing Enclosure Components 67Figure 3-7. Removing and Replacing the Control Panel6Using a Torx T10 driver, remove all 16 screws from the front fa

68 Installing Enclosure Components2Slide the control panel fully into the slot, making sure that its connector engages into the matching backplane con

Installing Enclosure Components 69Figure 3-8. Removing and Replacing the Controller/Power Supply Cage5Slide the controller/power supply cage out of th

Contents 75 Getting Help . . . . . . . . . . . . . . . . . . . . . . 81Obtaining Assistance . . . . . . . . . . . . . . . . . . 81Technical Suppor

70 Installing Enclosure ComponentsFigure 3-9. Removing and Installing the Midplane1 midplane1

Troubleshooting Your Enclosure 71Troubleshooting Your EnclosureSafety First—For You and Your EnclosureTo perform certain procedures in this document,

72 Troubleshooting Your EnclosureTroubleshooting External ConnectionsLoose or improperly connected cables and bent pins are the most likely source of

Troubleshooting Your Enclosure 73Troubleshooting a Damaged EnclosureProblem•Enclosure was dropped or damaged.Action CAUTION: Only trained service tech

74 Troubleshooting Your EnclosureAction CAUTION: Only trained service technicians are authorized to remove the enclosure cover and access any of the c

Troubleshooting Your Enclosure 755Install a new power supply. See "Removing and Installing the Power Supply/Cooling Fan Module" on page 64.I

76 Troubleshooting Your Enclosure CAUTION: The cooling fans are hot-pluggable. To maintain proper cooling while the system is on, replace only one fa

Troubleshooting Your Enclosure 77Action 1Review MD Storage Manager for possible recovery actions. NOTE: If a physical disk rebuild is under way, allo

78 Troubleshooting Your EnclosureHard Controller Failures and Lockdown ConditionsCertain events can cause a RAID controller module to fail and/or shut

Troubleshooting Your Enclosure 79PCI ErrorsThe storage enclosure firmware can detect and only recover from PCI errors when the RAID controller modules

8 Contents

80 Troubleshooting Your Enclosure

Getting Help 81Getting HelpObtaining Assistance CAUTION: If you need to remove the system cover, first disconnect the power and modem cables from all

82 Getting HelpTechnical Support and Customer ServiceDell's support service is available to answer your questions about Dell™ hardware. Our suppo

Getting Help 83• Anonymous file transfer protocol (FTP)ftp.dell.com/Log in as user: anonymous, and use your e-mail address as your password.Automated

84 Getting Help2Include a copy of the invoice and a letter describing the reason for the return.3Include a copy of any diagnostic information indicati

Getting Help 85Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some serv

86 Getting Help

Glossary 87GlossaryThis section defines or identifies technical terms, abbreviations, and acronyms used in your system documents.A — Ampere(s).AC — Al

88 GlossaryBIOS — Basic input/output system. Your system’s BIOS contains programs stored on a flash memory chip. The BIOS controls the following:• Com

Glossary 89component — As they relate to DMI, components include operating systems, computer systems, expansion cards, and peripherals that are compat

About Your System 9About Your SystemThe Dell™ PowerVault™ MD3000i is a 3U rack-mounted external Redundant Array of Independent Disks (RAID) storage ar

90 Glossarydirectory — Directories help keep related files organized on a disk in a hierarchical, “inverted tree” structure. Each disk has a “root” di

Glossary 91expansion card — An add-in card, such as a NIC or SCSI adapter, that plugs into an expansion-card connector on the system board. An expansi

92 Glossarygroup — As it relates to DMI, a group is a data structure that defines common information, or attributes, about a manageable component.guar

Glossary 93IP — Internet Protocol.IPX — Internet package exchange.IRQ — Interrupt request. A signal that data is about to be sent to or received by a

94 GlossaryLAN — Local area network. A LAN is usually confined to the same building or a few nearby buildings, with all equipment linked by wiring ded

Glossary 95memory address — A specific location, usually expressed as a hexadecimal number, in the system’s RAM.memory module — A small circuit board

96 Glossaryparity — Redundant information that is associated with a block of data.partition — You can divide a physical disk into multiple physical se

Glossary 97PS/2 — Personal System/2.PXE — Preboot eXecution Environment. A way of booting a system via a LAN (without a physical disk or bootable disk

98 GlossarySAN — Storage area network. A configuration of computer and storage systems that incorporate dedicated Fibre Channel connectivity between t

Glossary 99SVGA — Super video graphics array. VGA and SVGA are video standards for video adapters with greater resolution and color display capabiliti