Dell PowerVault MD3220i Manuel du propriétaire

Dell PowerVault MD3200iand MD3220i Storage ArraysOwner’s ManualRegulatory Model: E03J Series and E04J SeriesRegulatory Type: E03J001 and E04J001book.b

10 ContentsChanging the RAID Level of a Disk Group . . . . . . . 139Storage Partitioning . . . . . . . . . . . . . . . . . . 140Disk Group and Vir

100 Configuration: About Your Host4Click Yes.The host is moved to the selected host group with the following mappings:• The host retains the specific

Configuration: About Your Host 101• Changing a host type MDSM automatically detects these changes for any host running the host agent software.Startin

102 Configuration: About Your Host4Click Action Start. I/O Data Path ProtectionYou can have multiple host-to-array connections for a host. Ensure tha

Configuration: About Your Host 103Managing Host Port IdentifiersYou can manage the host port identifiers that are added to the storage array. You can:

104 Configuration: About Your Host•Add by creating a new host port identifier—In New host port identifier, enter the name of the new host port identif

Configuration: Disk Groups and Virtual Disks 10510Configuration: Disk Groups and Virtual DisksCreating Disk Groups and Virtual DisksDisk groups are cr

106 Configuration: Disk Groups and Virtual DisksA disk group must be organized according to its related tasks and subtasks. For example, if you create

Configuration: Disk Groups and Virtual Disks 1073Type the name of the disk group (up to 30 characters) in Disk group name.4Select the appropriate Phys

108 Configuration: Disk Groups and Virtual DisksLocating a Disk GroupYou can physically locate and identify all of the physical disks that comprise a

Configuration: Disk Groups and Virtual Disks 109 NOTE: Ensure that you create disk groups before creating virtual disks.To create virtual disks:1Choo

Contents 11Preparing Host Servers to Create the Snapshot Using the Simple Path. . . . . . . . . . 153Creating a Snapshot Virtual Disk Using the Advan

110 Configuration: Disk Groups and Virtual Disks•Use recommended settings.•Customize settings.6Click Next.7In the Customize Advanced Virtual Disk Para

Configuration: Disk Groups and Virtual Disks 1112Select a virtual disk.3In the toolbar, select Virtual Disk Change Modification Priority.The Change

112 Configuration: Disk Groups and Virtual Disks2In the toolbar, select Virtual Disk Change Cache Settings.The Change Cache Settings window is displ

Configuration: Disk Groups and Virtual Disks 1137Click OK.Changing the Segment Size of a Virtual DiskYou can change the segment size on a selected vir

114 Configuration: Disk Groups and Virtual DisksThe segment size modification operation begins. The virtual disk icon in the Logical pane shows an Ope

Configuration: Disk Groups and Virtual Disks 115 NOTE: If you selected the Custom option, select your preferred dynamic cache read prefetch setting (

116 Configuration: Disk Groups and Virtual DisksWhenever the power is turned off and turned on again, all of the security-enabled physical disks chang

Configuration: Disk Groups and Virtual Disks 117 NOTE: If you have not created a security key for the storage array, the Create Security Key option i

118 Configuration: Disk Groups and Virtual DisksCreating a Security KeyWhen you create a security key, it is generated by and securely stored by the a

Configuration: Disk Groups and Virtual Disks 119The pass phrase that you enter is masked.NOTE: Create Key is active only if the pass phrase meets the

12 ContentsOnline Copy . . . . . . . . . . . . . . . . . . . . 175Creating a Virtual Disk Copy for an MSCS Shared Disk. . . . . . . . . . . . . . .

120 Configuration: Disk Groups and Virtual DisksTo change the security key:1In the AMW toolbar, select Storage ArrayPhysical Disk Security Change S

Configuration: Disk Groups and Virtual Disks 121Saving a Security KeyYou save an externally storable copy of the security key when the security key is

122 Configuration: Disk Groups and Virtual DisksValidate Security KeyA file in which a security key is stored is validated through the Val id at e Sec

Configuration: Disk Groups and Virtual Disks 123Before you complete this option, make sure that the physical disk that you have selected is the correc

124 Configuration: Disk Groups and Virtual DisksTo assign or unassign hot spare physical disks:1In the AMW, select the Physical tab.2Select one or mor

Configuration: Disk Groups and Virtual Disks 12512Ty p e yes and click OK.Hot Spares and Rebuild A valuable strategy to protect data is to assign ava

126 Configuration: Disk Groups and Virtual DisksHot Spare Drive ProtectionYou can use a hot spare physical disk for additional data protection from ph

Configuration: Disk Groups and Virtual Disks 127 CAUTION: Enclosure loss protection is not guaranteed if a physical disk has already failed in the di

128 Configuration: Disk Groups and Virtual DisksHost-to-Virtual Disk MappingAfter you create virtual disks, you must map them to the host(s) connected

Configuration: Disk Groups and Virtual Disks 129• Each host has its own LUN address space. MDSM permits the same LUN to be used by different hosts or

Contents 1313 Configuration: Premium Feature—Upgrading to High-Performance-Tier . . . . . . . . . . . . . 18714 Configuration: Device Mapper Multipat

130 Configuration: Disk Groups and Virtual DisksAll defined hosts, host groups, and the default group is displayed in the list. NOTE: When configuri

Configuration: Disk Groups and Virtual Disks 131• Right-click the virtual disk, and select Change Mapping from the pop-up menu.3In Host group or host,

132 Configuration: Disk Groups and Virtual DisksDuring a virtual disk copy, the same RAID controller module must own both the source virtual disk and

Configuration: Disk Groups and Virtual Disks 133associated source virtual disk. Changing the RAID controller module ownership of a virtual disk change

134 Configuration: Disk Groups and Virtual Disks• The disk group must be in Optimal status before you can perform this operation.• Your data remains a

Configuration: Disk Groups and Virtual Disks 135In this example, the mpath6 device contains two paths:-- /dev/sdf at Host 1, Channel 0, Target 0, LUN

136 Configuration: Disk Groups and Virtual DisksRestricted MappingsMany hosts are able to map up to 256 logical unit numbers (LUNs) (0 to 255) per sto

Configuration: Disk Groups and Virtual Disks 137• You cannot move a host with a restricted host type into a storage partition that already has LUNs ma

138 Configuration: Disk Groups and Virtual DisksaChange the RAID controller module ownership of a virtual disk—Go to step 2.bChange the RAID controlle

Configuration: Disk Groups and Virtual Disks 139eClick Yes.The ownership of the disk group is changed. I/O to the disk group is now directed through t

14 ContentsMedia Errors and Unreadable Sectors . . . . . . . . 21016 Management: Installing Array Components . . . . . . . . . . . . . . . . . . .

140 Configuration: Disk Groups and Virtual DisksStorage PartitioningA storage partition is a logical entity consisting of one or more virtual disks th

Configuration: Disk Groups and Virtual Disks 141 NOTE: You can include a secondary virtual disk in a storage partition. However, any hosts that are m

142 Configuration: Disk Groups and Virtual Disks5Click Add.A message prompts you to confirm your selection.6To add the capacity to the disk group, cli

Configuration: Disk Groups and Virtual Disks 143For more information, see the PowerVault Modular Disk Storage Manager online help topics.Disk Group Mi

144 Configuration: Disk Groups and Virtual Disks2Stop all I/O and unmount or disconnect the file systems on the virtual disks in the disk group. 3Back

Configuration: Disk Groups and Virtual Disks 145 NOTE: Some settings cannot be imported during the import disk group procedure.The following settings

146 Configuration: Disk Groups and Virtual Disks• Recovered media error—Data could not be read by the physical disk on the first attempt but was succe

Configuration: Disk Groups and Virtual Disks 1478Click OK.Suspending the Media ScanYou cannot perform a media scan while performing another long-runni

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Configuration: Premium Feature—Snapshot Virtual Disks 14911Configuration: Premium Feature—Snapshot Virtual Disks NOTE: If you ordered this feature, y

Contents 15Power Supply/Cooling Fan Module . . . . . . . . . . . 225Removing a Power Supply/Cooling Fan Module. . . . . . . . . . . . . . . . . . . .

150 Configuration: Premium Feature—Snapshot Virtual Disksrepository uses less disk space than a full physical copy, because the only data blocks that

Configuration: Premium Feature—Snapshot Virtual Disks 151To implement this backup, select the first virtual disk and create a backup schedule that run

152 Configuration: Premium Feature—Snapshot Virtual DisksEnabling and Disabling Snapshot SchedulesA scheduled snapshot operation can be temporarily su

Configuration: Premium Feature—Snapshot Virtual Disks 153About the Simple PathUsing the simple path, you can specify:• Snapshot Virtual Disk Name—A us

154 Configuration: Premium Feature—Snapshot Virtual Disks NOTE: Mapping the snapshot virtual disk to the node that does not own the source virtual di

Configuration: Premium Feature—Snapshot Virtual Disks 1552In the AMW, select the Logical tab and select a valid source virtual disk.3Select Virtual Di

156 Configuration: Premium Feature—Snapshot Virtual Disks13To associate the mapping between the storage array name and the virtual disk name, run the

Configuration: Premium Feature—Snapshot Virtual Disks 157– Dell recommends placing the snapshot repository virtual disk within the disk group of the s

158 Configuration: Premium Feature—Snapshot Virtual DisksThe destination of a snapshot repository virtual disk is determined based on the free capacit

Configuration: Premium Feature—Snapshot Virtual Disks 1592Using your Windows system, flush the cache to the source. At the host prompt, type SMrepassi

16 ContentsCollecting the Physical Disk Data . . . . . . . . . . . 244Event Log. . . . . . . . . . . . . . . . . . . . . . . . 244Recovery Guru .

160 Configuration: Premium Feature—Snapshot Virtual Disks3Select Virtual Disk Snapshot Create. Alternatively, you can right-click the source virtual

Configuration: Premium Feature—Snapshot Virtual Disks 16112Click OK.13In the Mappings tab, assign mappings between the snapshot virtual disk and the h

162 Configuration: Premium Feature—Snapshot Virtual Disks• The next available sequence number is based on the number of existing snapshots of a source

Configuration: Premium Feature—Snapshot Virtual Disks 163 NOTE: You can add a maximum of two physical disks at one time to increase snapshot reposito

164 Configuration: Premium Feature—Snapshot Virtual Disks7If unassigned physical disks are not available, do you have empty slots in the expansion enc

Configuration: Premium Feature—Snapshot Virtual Disks 165• Not all of the capacity that is added is used to increase the capacity of the snapshot repo

166 Configuration: Premium Feature—Snapshot Virtual DisksPreparing Host Servers to Re-create a Snapshot Virtual Disk NOTE: Before you create a new sn

Configuration: Premium Feature—Snapshot Virtual Disks 167Re-creating Snapshot Virtual DisksYou can re-create a snapshot virtual disk that you have pre

168 Configuration: Premium Feature—Snapshot Virtual DisksThe associated snapshot repository virtual disk must have sufficient capacity to process the

Configuration: Premium Feature—Snapshot Virtual Disks 169If an error occurs during the rollback, the operation is paused and the base virtual disk and

Contents 17Troubleshooting Loss of Communication . . . . . . . . 263Troubleshooting External Connections . . . . . . . . . 263Troubleshooting Power

170 Configuration: Premium Feature—Snapshot Virtual Disks2Choose one:• Select the snapshot virtual disk, and select Virtual Disk SnapshotRollback.•

Configuration: Premium Feature—Snapshot Virtual Disks 171Canceling a Snapshot Rollback WARNING: Risk of data loss: If you cancel a snapshot rollback

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Configuration: Premium Feature—Virtual Disk Copy 17312Configuration: Premium Feature—Virtual Disk Copy NOTE: A virtual disk copy overwrites data on t

174 Configuration: Premium Feature—Virtual Disk Copy• Copying data for improved access—As your storage requirements for a virtual disk change, you can

Configuration: Premium Feature—Virtual Disk Copy 175the source virtual disk may be rejected by the storage array RAID controller modules and result in

176 Configuration: Premium Feature—Virtual Disk CopyCreating a Virtual Disk Copy for an MSCS Shared DiskTo create a virtual disk copy for a Microsoft

Configuration: Premium Feature—Virtual Disk Copy 177• To enable Read-Only permission, select Change Tar get Virt ua l D isk Permissions Enable Rea

178 Configuration: Premium Feature—Virtual Disk CopyCreating a Virtual Disk Copy CAUTION: Possible loss of data – Source virtual disks that are parti

Configuration: Premium Feature—Virtual Disk Copy 179Virtual Disk Copy and Modification OperationsIf a modification operation is running on a source vi

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180 Configuration: Premium Feature—Virtual Disk CopyPreferred RAID Controller Module OwnershipDuring a virtual disk copy, the same RAID controller mod

Configuration: Premium Feature—Virtual Disk Copy 181A virtual disk copy automatically makes the target virtual disk read-only to hosts. You may want t

182 Configuration: Premium Feature—Virtual Disk Copy9Ty p e yes and click Finish. NOTE: Operation in Progress icons are displayed on the source virt

Configuration: Premium Feature—Virtual Disk Copy 1832In the table, select one or more copy pairs.3Select Change Copy Priority.The Change Copy Priorit

184 Configuration: Premium Feature—Virtual Disk CopyPreparing Host Servers to Recopy a Virtual Disk NOTE: Before you create a new copy of a source vi

Configuration: Premium Feature—Virtual Disk Copy 185Re-Copying a Virtual DiskYou can use the Copy Manager to create a new virtual disk copy for a sele

186 Configuration: Premium Feature—Virtual Disk CopyRemoving Copy PairsYou can remove one or more virtual disk copies by using the Copy Manager. Any v

Configuration: Premium Feature—Upgrading to High-Performance-Tier 18713Configuration: Premium Feature—Upgrading to High-Performance-Tier The High Perf

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Configuration: Device Mapper Multipath for Linux 18914Configuration: Device Mapper Multipath for LinuxOverviewThe MD3200i Series storage array uses a

Introduction 191Introduction NOTE: Unless specified, MD3200i Series represents Dell PowerVault MD3200i and Dell PowerVault MD3220i storage arrays. WA

190 Configuration: Device Mapper Multipath for LinuxUsing DM Multipathing Devices NOTE: Using or modifying any nodes other than the multipathing devi

Configuration: Device Mapper Multipath for Linux 191 NOTE: Any arrays configured with MDCU automatically adds to the list of Devices in the PowerVaul

192 Configuration: Device Mapper Multipath for LinuxDisplay the multipath device topology using the multipath commandThe multipath command adds newly

Configuration: Device Mapper Multipath for Linux 193\_ round-robin 0 [prio=1][enabled] \_ 6:0:0:22 sdcl 69:144 [active][ghost]where:mpathb is the name

194 Configuration: Device Mapper Multipath for Linux# lsThe following are some examples of the general mapping formats:On RHEL hosts ,a partition node

Configuration: Device Mapper Multipath for Linux 195Blacklist Local Drive in Multi-path DriverIf your multipath drivers are connecting to storage area

196 Configuration: Device Mapper Multipath for Linux2Stop the Device Mapper multipath service # /etc/init.d/multipathd stop3Flush the Device Mapper mu

Configuration: Device Mapper Multipath for Linux 197Limitations and Known Issues• In certain error conditions with the no_path_retry or the queue_if_n

198 Configuration: Device Mapper Multipath for Linux• After a failed path is restored on an MD3600i Series array, failback does not occur automaticall

Configuration: Device Mapper Multipath for Linux 199I removed a LUN. But the multipathing mapping is still there.The multipathing device is still ther

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

20 Introduction• Mounting rails (2) (optional)• MD3200i Series resource media •Rack Installation Instructions. •Getting Started With Your System (prov

200 Configuration: Device Mapper Multipath for Linuxbook.book Page 200 Saturday, September 24, 2011 9:06 AM

Management: Firmware Downloads 20115Management: Firmware DownloadsDownloading RAID Controller and NVSRAM PackagesA version number exists for each firm

202 Management: Firmware DownloadsDownloading Both RAID Controller and NVSRAM Firmware NOTE: I/O to the array can continue while you are upgrading RA

Management: Firmware Downloads 2037Click Transfer.Keep these guidelines in mind:–If the Transfer button is inactive, ensure that you either select an

204 Management: Firmware DownloadsThe Select File dialog is displayed.13Select the file to download.14Click OK.15If you want to download the NVSRAM fi

Management: Firmware Downloads 2052Select Advanced Maintenance Download RAID Controller Module NVSRAM orSelect the Support tab, and click Download

206 Management: Firmware Downloads NOTE: The Details pane shows the details of only one storage array at a time. If you select more than one storage

Management: Firmware Downloads 207disk called DACstore. DACstore and the physical disk firmware enable easier reconfiguration and migration of the phy

208 Management: Firmware Downloads4Navigate to the location of the packages and click OK.The selected package is added to the Packages to be transferr

Management: Firmware Downloads 209•In the AMW, select Advanced Maintenance Download EMM Firmware.• Select the Support tab, and click Download Firmw

Introduction 21•The Deployment Guide provides installation and configuration instructions for both software and hardware. •The Storage Manager CLI Gui

210 Management: Firmware Downloads• The download failed—The status of one expansion enclosure shows Failed and the remainder of the expansion enclosur

Management: Installing Array Components 21116Management: Installing Array ComponentsRecommended ToolsYou may need the following items to perform the p

212 Management: Installing Array ComponentsFront Bezel (Optional)Removing the Front Bezel1Using the system key, unlock the front bezel (if locked).2Li

Management: Installing Array Components 213Hard DrivesSAFETY: Models AMT, E03J, and E04JModels AMT, E03J, and E04J are intended for installation only

214 Management: Installing Array ComponentsFigure 16-3. Removing and Installing a 2.5" Hard-Drive Blank (MD3220i Only)Installing a Hard-Drive Bla

Management: Installing Array Components 2152From the Modular Disk Storage Manager (MDSM) software, prepare the drive for removal. Wait until the hard-

216 Management: Installing Array ComponentsInstalling a Hard Drive CAUTION: Many repairs may only be done by a certified service technician. You must

Management: Installing Array Components 217Figure 16-5. Removing and Installing a Hard Drive Into a 3.5" Hard-Drive Carrier1 screws (4) 2 hard d

218 Management: Installing Array ComponentsFigure 16-6. Removing and Installing a Hard Drive Into a 2.5" Hard-Drive Carrier1 screws (4) 2 hard d

Management: Installing Array Components 219Installing a Hard Drive Into a Hard-Drive Carrier1 Insert the hard drive into the hard-drive carrier with t

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220 Management: Installing Array Components5Connect all the power cables to the array.6Turn on the array and the host server.Figure 16-7. Removing and

Management: Installing Array Components 221Removing a RAID Controller Module CAUTION: Many repairs may only be done by a certified service technicia

222 Management: Installing Array ComponentsInstalling a RAID Controller Module CAUTION: Many repairs may only be done by a certified service technic

Management: Installing Array Components 223Figure 16-9. Opening and Closing the RAID Controller ModuleClosing the RAID Controller Module CAUTION: Man

224 Management: Installing Array ComponentsRAID Controller Module Backup Battery Unit Removing the RAID Controller Module Backup Battery Unit CAUTIO

Management: Installing Array Components 225Installing the RAID Controller Module Backup Battery Unit CAUTION: Many repairs may only be done by a cert

226 Management: Installing Array Componentssupport team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read

Management: Installing Array Components 227Figure 16-11. Removing and Installing a Power Supply/Cooling Fan Module1 release tab 2 power supply3 power

228 Management: Installing Array ComponentsInstalling a Power Supply/Cooling Fan Module CAUTION: Many repairs may only be done by a certified service

Management: Installing Array Components 229Control PanelRemoving the Control Panel1Turn off the array and host server.2Disconnect all the power cables

Planning: About Your Storage Array 232Planning: About Your Storage ArrayOverviewThe MD3200i Series storage array is designed for high availability, of

230 Management: Installing Array ComponentsFigure 16-14. Removing and Installing the Control Panel-PowerVault MD3220iInstalling the Control Panel1Alig

Management: Installing Array Components 231Backplane CAUTION: Many repairs may only be done by a certified service technician. You must only perform

232 Management: Installing Array ComponentsFigure 16-15. Removing and Installing the RAID Controller Module/Power Supply Cage1 screws (6) 2 RAID cont

Management: Installing Array Components 233Figure 16-16. Removing and Installing the Backplane-PowerVault MD3200iFigure 16-17. Removing and Installing

234 Management: Installing Array ComponentsInstalling the Backplane1Align the holes on the backplane with the holes on the array.2Tighten the captive

Management: Firmware Inventory 23517Management: Firmware InventoryA storage array is made up of many components, which may include RAID controller mod

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Management: System Interfaces 23718Management: System InterfacesMicrosoft ServicesVirtual Disk ServiceThe Microsoft Virtual Disk Service (VDS) is a co

238 Management: System InterfacesVSS attaches to the service and uses it to coordinate the creation of snapshot virtual disks on the storage array. VS

Troubleshooting: Your Storage Array Software 23919Troubleshooting: Your Storage Array SoftwareStart-Up Routine Look and listen during the array’s star

24 Planning: About Your Storage ArrayHardware FeaturesFront-Panel Features and Indicators Figure 2-1. Front-Panel Features and Indicators—Dell PowerVa

240 Troubleshooting: Your Storage Array Software•On the Devices tab, in either the Tree view or the Table view, double-click a storage array. Alternat

Troubleshooting: Your Storage Array Software 241In the Table view, every managed storage array is listed once, regardless of the number of attachments

242 Troubleshooting: Your Storage Array Software NOTE: MDSM may take a few minutes to update a status change to Unresponsive or from Unresponsive. A

Troubleshooting: Your Storage Array Software 2432Enter a name for the support data file in Specify filename or click Browse to navigate to a previousl

244 Troubleshooting: Your Storage Array SoftwareCollecting the Physical Disk DataYou can use the Collect Physical Disk Data option to collect log sens

Troubleshooting: Your Storage Array Software 245The event log window shows two types of event views:• Summary view—Shows an event summary in a table f

246 Troubleshooting: Your Storage Array Software• Alert notification messages that are sent to the appropriate destinations • Hardware indicator light

Troubleshooting: Your Storage Array Software 247bType the term that you want to search for in the Find text box.If the term is located on the current

248 Troubleshooting: Your Storage Array Software2Select View Associated Logical Elements. Alternatively, you can right-click the virtual disk to open

Troubleshooting: Your Storage Array Software 249• The node name and the RAID level• The node name and the virtual disk capacityTo find nodes:1In the A

Planning: About Your Storage Array 25Figure 2-3. Front-Bezel Features and IndicatorsItem Indicator, Button, or ConnectorIcon Description1 Enclosure st

250 Troubleshooting: Your Storage Array SoftwarebType the capacity in the GB box.cSpecify that the free capacity to be matched is less than, equal to,

Troubleshooting: Your Storage Array Software 2514Select View Go To Source Virtual Disk.The selection jumps to the associated source virtual disk in

252 Troubleshooting: Your Storage Array Software• ping <host-name>• ping <RAID controller module-IP-address>7If the verification is succes

Troubleshooting: Your Storage Array Software 25319If you have recently replaced or added the RAID controller module, restart the host context agent so

254 Troubleshooting: Your Storage Array SoftwareTo locate the physical disk:1Select the Physical tab.2Select the physical disks that you want to locat

Troubleshooting: Your Storage Array Software 255Locating an Expansion EnclosureYou can use the Blink option to physically locate and identify an expan

256 Troubleshooting: Your Storage Array SoftwareCapturing the State InformationUse the Troubleshooting Capture State Information option to capture in

Troubleshooting: Your Storage Array Software 257SMrepassist UtilitySMrepassist (replication assistance) is a host-based utility for Windows platforms.

258 Troubleshooting: Your Storage Array SoftwareUnidentified DevicesAn unidentified node or device occurs when MDSM cannot access a new storage array.

Troubleshooting: Your Storage Array Software 259ping <host-name-or-IP-address-of-the-host>. If the network can access the host, continue to step

26 Planning: About Your Storage Array3 Split mode LED This LED must be unlit as the split mode function is not supported by the MD3200i Series Storage

260 Troubleshooting: Your Storage Array Software5Make sure that the controller firmware is compatible with MDSM on your management station. If the con

Troubleshooting: Your Storage Array Software 261or Click Start Administrative Tools Services. 2In the Services dialog, select Modular Disk Storage M

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Troubleshooting: Your Array 26320Troubleshooting: Your ArraySafety First—For you and Your Array CAUTION: Many repairs may only be done by a certified

264 Troubleshooting: Your ArrayTroubleshooting Power Supply/Cooling Fan Module CAUTION: Many repairs may only be done by a certified service technici

Troubleshooting: Your Array 265Troubleshooting Array Cooling Problems CAUTION: Many repairs may only be done by a certified service technician. You m

266 Troubleshooting: Your ArraycReseat the EMM module and wait for 30 seconds. See "Removing an EMM" in the MD1200 and MD1220 Storage Enclos

Troubleshooting: Your Array 267Troubleshooting RAID Controller Modules CAUTION: Many repairs may only be done by a certified service technician. You

268 Troubleshooting: Your ArrayeCheck the link status LED. If the link status LED is not green, replace the cables.If the problem is not resolved, see

Troubleshooting: Your Array 269Troubleshooting Array and Expansion Enclosure Connections1Verify that the RAID controller module port link status LED a

Planning: About Your Storage Array 27Back Panel Features and IndicatorsFigure 2-4. Back-Panel Features and Indicators—Dell PowerVault MD3200i Series1

270 Troubleshooting: Your Array•Hard drives• RAID controller modules• Power supply/cooling fan modules• Control panel•Backplane3Let the system dry tho

Troubleshooting: Your Array 271Troubleshooting RAID Controller ModulesConditionsCertain events can cause a RAID controller module to fail and/or shut

272 Troubleshooting: Your ArrayPCI ErrorsThe storage array firmware can detect and only recover from PCI errors when the RAID controller modules are c

Getting Help 27321Getting HelpContacting DellFor customers in the United States, call 800-WWW-DELL (800-999-3355). NOTE: If you do not have an activ

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Index 275Index AAccess Virtual Disk, 66Advanced FeatureUsing Snapshot and Disk Copy Together, 5 4Advanced Features, 50Snapshot Repository Virtual Disk

Index 276contacting Dell, 273control panelinstalling, 230removing, 229Copy Manager, 180DDefining a Host, 96Dellcontacting, 273Disk GroupCreating, 106E

Index 277Free Capacity, 142front bezelinstalling, 212removing, 212Hhard drivedrive carrier, 216installing, 216removing, 214Hard-Drive Indicator Patter

Index 278Media Errors and Unreadable Sectors, 210Media ScanChanging settings, 146Suspending, 147MicrosoftVirtual Disk Service, 237Volume Shadow-Copy S

Index 279front bezel, 212hard drive, 214hard drive from a drive carrier, 216power supply/cooling fan module, 225Removing Copy Pairs, 186Removing Host

28 Planning: About Your Storage ArrayHard-Drive Indicator PatternsFigure 2-5. Hard Drive Indicators1 hard-drive activity indicator (green) 2 hard-dri

Index 280Starting or Restarting the Host-Agent Software, 260Start-Up Routine, 239Storage Array Profile, 246Storage Array Support Data, 242Unidentified

Index 281Virtual Disk Operations Limit, 45Virtual Disk Ownership, 55Virtual Disk States, 40Virtual DiskCopyTa rg e t , 5 3Virtual Disks and Disk Group

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Planning: About Your Storage Array 29Power Supply and Cooling Fan FeaturesThe MD3200i Series storage array includes two integrated, hot-swappable powe

Contents 3Contents1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 19About This Document . . . . . . . . . . . . . . . . . . 19Inside

30 Planning: About Your Storage ArrayPower Indicator Codes and FeaturesFigure 2-6. Power Indicator Codes and FeaturesItem LED Type Icon Description1 D

Planning: RAID Controller Modules 313Planning: RAID Controller ModulesRAID Controller ModulesThe RAID controller modules provide high-performance, adv

32 Planning: RAID Controller ModulesRAID Controller Module Connectors and FeaturesFigure 3-1. MD3200i Series iSCSI RAID Controller ModuleItem Componen

Planning: RAID Controller Modules 338SAS OUT port link/fault LEDLights green when all four links are connected.Lights amber when one to 3 links are di

34 Planning: RAID Controller ModulesRAID Controller Module—Additional FeaturesBattery Backup UnitEach RAID controller contains a two-cell Lithium ion

Planning: RAID Controller Modules 35System Password ResetThe storage array system password can be reset if it is forgotten. To reset the password, pus

36 Planning: RAID Controller Modulesmirrored to the cache of the second controller before completion status is issued to the host initiator. Write-Bac

Planning: MD3200i Series Storage Array Terms and Concepts 374Planning: MD3200i Series Storage Array Terms and ConceptsThis chapter explains terms and

38 Planning: MD3200i Series Storage Array Terms and Concepts NOTE: The MD3200i Series storage enclosure must contain at least two physical disks for

Planning: MD3200i Series Storage Array Terms and Concepts 39If a disk drive rebuild fails because of a source drive failure or because the drive is to

4 Contents3 Planning: RAID Controller Modules. . . . 31RAID Controller Modules . . . . . . . . . . . . . . . . 31RAID Controller Module Connector

40 Planning: MD3200i Series Storage Array Terms and ConceptsDisk groups are always created in the unconfigured capacity of a storage array. Unconfigur

Planning: MD3200i Series Storage Array Terms and Concepts 41Each RAID level provides different performance and protection. You must select a RAID leve

42 Planning: MD3200i Series Storage Array Terms and Conceptsis recommended for small databases or other applications that do not require large capacit

Planning: MD3200i Series Storage Array Terms and Concepts 43The segment size or stripe element size specifies the size of data in a stripe written to

44 Planning: MD3200i Series Storage Array Terms and ConceptsConsistency CheckA consistency check verifies the correctness of data in a redundant array

Planning: MD3200i Series Storage Array Terms and Concepts 45Virtual Disk Operations LimitThe maximum number of active, concurrent virtual disk process

46 Planning: MD3200i Series Storage Array Terms and ConceptsWhen considering a segment-size change, two scenarios illustrate different approaches to t

Planning: MD3200i Series Storage Array Terms and Concepts 47Disk Group Operations LimitThe maximum number of active, concurrent disk group processes p

48 Planning: MD3200i Series Storage Array Terms and ConceptsThe priority of each of these operations can be changed to address performance requirement

Planning: MD3200i Series Storage Array Terms and Concepts 49 NOTE: Only disk groups and associated virtual disks with all member physical disks prese

Contents 5Foreground Initialization . . . . . . . . . . . . . . 43Consistency Check . . . . . . . . . . . . . . . . . 44Media Verification . . . .

50 Planning: MD3200i Series Storage Array Terms and Conceptsthat has no existing physical disks. After the destination storage array is turned on and

Planning: MD3200i Series Storage Array Terms and Concepts 51Host Server-to-Virtual Disk MappingThe host server attached to a storage array accesses va

52 Planning: MD3200i Series Storage Array Terms and Conceptsonline and user-accessible. When the backup is completed, the snapshot virtual disk is no

Planning: MD3200i Series Storage Array Terms and Concepts 53Virtual Disk CopyVirtual disk copy is a premium feature to:•Back up data• Copy data from d

54 Planning: MD3200i Series Storage Array Terms and ConceptsVirtual Disk RecoveryYou can use the Edit host server-to-virtual disk mappings feature to

Planning: MD3200i Series Storage Array Terms and Concepts 55The multi-path software identifies the existence of multiple paths to a virtual disk and e

56 Planning: MD3200i Series Storage Array Terms and ConceptsOwnership can later be modified to balance workload according to actual usage. If virtual

Planning: MD3200i Series Storage Array Terms and Concepts 57• Least path weight with subset (Windows operating systems only)—The least queue depth wit

58 Planning: MD3200i Series Storage Array Terms and Concepts• RAID Controller modules•Virtual disks• Storage array totals NOTE: By default, all items

Planning: MD3200i Series Storage Array Terms and Concepts 59The Performance Monitor data provides information about how your storage array is performi

6 ContentsMonitoring MD3200i Series System Performance . . . . . . . . . . . . . . . . . . . . . . . 575 Configuration: Overview . . . . . . . . .

60 Planning: MD3200i Series Storage Array Terms and Conceptsbook.book Page 60 Saturday, September 24, 2011 9:06 AM

Configuration: Overview 615Configuration: OverviewDell PowerVault Modular Disk Storage Manager (MDSM) online help contains information on how to use t

62 Configuration: OverviewEnterprise Management WindowThe EMW provides high-level management of storage arrays. When you start MDSM, the EMW is displa

Configuration: Overview 63Inheriting the System SettingsUse the Inherit System Settings option to import the operating system theme settings into the

64 Configuration: Overview• Logical tab—You can view the organization of the storage array by virtual disks, disk groups, free capacity nodes, and any

Configuration: About Your Storage Array 656Configuration: About Your Storage ArrayOut-of-Band and In-Band ManagementYou can manage a storage array in

66 Configuration: About Your Storage ArrayIn-Band ManagementUsing in-band management, commands, events, and data travel through the host-to-controller

Configuration: About Your Storage Array 67 NOTE: For Linux, set the default gateway so that broadcast packets are sent to 255.255.255.0. For Red Hat

68 Configuration: About Your Storage Array NOTE: When adding a storage array using in-band management with iSCSI, a session must first be established

Configuration: About Your Storage Array 69• Configure the storage array—Create disk groups, virtual disks, and hot spare physical disks by using the A

Contents 7Configuring E-mail Alerts . . . . . . . . . . . . . . 76Configuring SNMP Alerts. . . . . . . . . . . . . . 79Battery Settings . . . . .

70 Configuration: About Your Storage Array• In the AMW, select Storage ArrayBlinkStorage Array.The LEDs blink on the physical disks in the storage

Configuration: About Your Storage Array 715Click Yes.The new storage array name is displayed in the Select storage array table.6Repeat step 2 through

72 Configuration: About Your Storage Array6Click OK. NOTE: You are not prompted for a password when you attempt to change the storage array configura

Configuration: About Your Storage Array 73Adding/Editing a Comment to an Existing Storage ArrayA descriptive comment, with an applicable storage array

74 Configuration: About Your Storage ArrayEnabling Premium FeaturesYou can enable premium features on the storage array. To enable the premium feature

Configuration: About Your Storage Array 752Select or enter the percentage of unwritten data in the cache to trigger a cache flush in Start flushing.3S

76 Configuration: About Your Storage Array3Click OK.If you have set a password for the selected storage array, the Enter Password dialog is displayed.

Configuration: About Your Storage Array 77To configure e-mail alerts:1Open the Configure Alerts dialog by performing one of these actions:• In the Tre

78 Configuration: About Your Storage Array• Adding an e-mail address—In Email address, type the e-mail address, and click Add. • Replacing an e-mail a

Configuration: About Your Storage Array 79• The e-mail addresses that you had previously configured are displayed in the Configured e-mail addresses a

8 ContentsLinux. . . . . . . . . . . . . . . . . . . . . . . . . 949 Configuration: About Your Host . . . . . . . 95Configuring Host Access. . . .

80 Configuration: About Your Storage Array NOTE: The community name is an American Standard Code for Information Interchange (ASCII) string that iden

Configuration: About Your Storage Array 81The learn cycle completes the following operations:• Discharges the battery to a predetermined threshold • C

82 Configuration: About Your Storage Arraywritten by the RAID controller modules to the Event Log match the event timestamps written to host log files

Configuration: Using iSCSI 837Configuration: Using iSCSIChanging the iSCSI Target Authentication1In the AMW, select the Setup tab.2Select Manage iSCSI

84 Configuration: Using iSCSIEntering Mutual Authentication PermissionsMutual authentication or two-way authentication enables a client or a user to v

Configuration: Using iSCSI 85Initiator CHAP SecretThe initiator CHAP secret is set on the host using the iSCSI initiator configuration program provide

86 Configuration: Using iSCSIChanging the iSCSI Target IdentificationYou cannot change the iSCSI target name, but you can associate an alias with the

Configuration: Using iSCSI 87• Select Specify Configuration, and type the IPv4 address to activate the target discovery.• Type the iSNS server IP addr

88 Configuration: Using iSCSI4To use the IPv4 settings for the iSCSI host port, select Enable IPv4 and select the IPv4 Settings tab.5To use the IPv6 s

Configuration: Using iSCSI 89Advanced iSCSI Host Ports Settings NOTE: Configuring the advanced iSCSI host ports settings is optional.Use the advanced

Contents 9Changing the I/O Type . . . . . . . . . . . . . . . 114Choosing an Appropriate Physical Disk Type. . . . . . 115Physical Disk Security wi

90 Configuration: Using iSCSIViewing or Ending an iSCSI SessionYou may want to end an iSCSI session for the following reasons:• Unauthorized access—If

Configuration: Using iSCSI 91Viewing iSCSI Statistics and Setting Baseline StatisticsTo view iSCSI statistics and set baseline statistics:1In the AMW

92 Configuration: Using iSCSIEdit, Remove, or Rename Host TopologyIf you give access to the wrong host or the wrong host group, you can remove or edit

Configuration: Event Monitor 938Configuration: Event MonitorAn event monitor is provided with Dell PowerVault Modular Disk Storage Manager (MDSM). The

94 Configuration: Event MonitorWindowsTo enable or disable the event monitor:1Click Start Administrative Tools Services. or Click Start Settings C

Configuration: About Your Host 959Configuration: About Your HostConfiguring Host AccessModular Disk Storage Manager (MDSM) software is comprised of mu

96 Configuration: About Your Host• Create a host and assign an alias or user label.• Add or associate a new host port identifier to a particular host.

Configuration: About Your Host 97• Select the Mappings tab. Right-click the root node (storage array name), Default Group node, or Host Group node in

98 Configuration: About Your HostThe Preview window is displayed.11Click Finish.Removing Host AccessTo remove host access:1In the AMW, select the Mapp

Configuration: About Your Host 99• Right-click the storage array or the Default Group, and select Define Host Group from the pop-up menu.4Type the na