Dell PowerVault MD3600i Manual do Utilizador

Dell PowerVault MD3600i andMD3620i Storage ArraysOwner’s ManualRegulatory Model: E03J Series and E04J SeriesRegulatory Type: E03J001 and E04J001book.b

10 ContentsDisk Group and Virtual Disk Expansion . . . . . . . . 143Disk Group Expansion. . . . . . . . . . . . . . . 143Virtual Disk Expansion .

100 Configuration: About Your HostRemoving a Host From a Host GroupYou can remove a host from the Topology pane on the Mappings tab of the Array Manag

Configuration: About Your Host 101Removing a Host GroupTo remove a host group:1In the AMW, select the Mappings tab, select the host node in the Topolo

102 Configuration: About Your HostStarting or Stopping the Host Context AgentThe Host Context Agent discovers the host topology. The Host Context Agen

Configuration: About Your Host 103I/O Data Path ProtectionYou can have multiple host-to- array connections for a host. Ensure that you select all the

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

Configuration: About Your Host 1055Select the method to add a host port identifier to the host. You can select:•Add by selecting a known unassociated

106 Configuration: About Your Hostbook.book Page 106 Thursday, December 9, 2010 3:20 PM

Configuration: Disk Groups and Virtual Disks 10710Configuration: Disk Groups and Virtual DisksCreating Disk Groups and Virtual DisksDisk groups are cr

108 Configuration: Disk Groups and Virtual DisksA disk group should be organized according to its related tasks and subtasks. For example, if you crea

Configuration: Disk Groups and Virtual Disks 1093Type up to 30-character name of the disk group in Disk group name.4Select the appropriate Physical Di

Contents 11Snapshot Repository Capacity. . . . . . . . . . . . . . 163Re-Creating Snapshot Virtual Disks. . . . . . . . . . . 166Disabling a Snapsho

110 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 111To create virtual disks:1Choose one of these methods to start the Create Virtual Disk Wizard:• To crea

112 Configuration: Disk Groups and Virtual Disks5In Advanced virtual disk parameters, you can select:•Use recommended settings.•Customize settings.6If

Configuration: Disk Groups and Virtual Disks 1134Select one or more virtual disks. Move the Select modification priority slider bar to the desired pri

114 Configuration: Disk Groups and Virtual DisksTo select nonadjacent virtual disks, press <Ctrl> click. To select adjacent virtual disks, press

Configuration: Disk Groups and Virtual Disks 115Changing the Segment Size of a Virtual DiskYou can change the segment size on a selected virtual disk.

116 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 117The corresponding dynamic cache read prefetch setting and segment size values that are typically well

118 Configuration: Disk Groups and Virtual DisksAll of the physical disks and RAID controller modules in a storage array share the same security key.

Configuration: Disk Groups and Virtual Disks 119•Save Security Key File• Validate Security Key•Unlock Drives NOTE: If you have not created a security

12 ContentsStopping a Virtual Disk Copy . . . . . . . . . . . . . 178Recopying a Virtual Disk. . . . . . . . . . . . . . . . 179Preparing Host Se

120 Configuration: Disk Groups and Virtual DisksThe storage array password protects a storage array from potentially destructive operations by unautho

Configuration: Disk Groups and Virtual Disks 1214In New password, enter a string for the storage array password. If you are creating the storage array

122 Configuration: Disk Groups and Virtual DisksThe pass phrase that you enter is masked. NOTE: Create Key is active only if the pass phrase meets th

Configuration: Disk Groups and Virtual Disks 123for storage on other media. When you change a security key, you also provide information to create a s

124 Configuration: Disk Groups and Virtual Disks6In Confirm pass phrase, re-enter the exact string you entered in Pass phrase.Make a record of the pas

Configuration: Disk Groups and Virtual Disks 1254In Confirm pass phrase, re-enter the exact string you entered in Pass phrase.Make a record of the pas

126 Configuration: Disk Groups and Virtual DisksErasing Secure Physical DisksIn the AMW, when you select a security enabled physical disk that is not

Configuration: Disk Groups and Virtual Disks 127• The availability of enclosure loss protection for a disk group depends on the location of the physic

128 Configuration: Disk Groups and Virtual Disks8Select the relevant Physical disks in the Unassigned physical disks area, as hot spares for the selec

Configuration: Disk Groups and Virtual Disks 129Hot Spare OperationWhen a physical disk fails, the virtual disk automatically rebuilds using an availa

Contents 13Downloading Both RAID Controller and NVSRAM Firmware. . . . . . . . . . . . . . . . . 198Downloading Only NVSRAM Firmware . . . . . . . .

130 Configuration: Disk Groups and Virtual Diskshot spare physical disk. To make sure that enclosure loss protection is not affected, you must replace

Configuration: Disk Groups and Virtual Disks 131Host-to-Virtual Disk MappingAfter you create virtual disks, you must map them to the host(s) connected

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

Configuration: Disk Groups and Virtual Disks 1334In Host group or host, select the appropriate host group or host.All defined hosts, host groups, and

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

Configuration: Disk Groups and Virtual Disks 135During a virtual disk copy, the same RAID controller module must own both the source virtual disk and

136 Configuration: Disk Groups and Virtual Disksassociated source virtual disk. Changing the RAID controller module ownership of a virtual disk change

Configuration: Disk Groups and Virtual Disks 137Changing the RAID Level of a Disk GroupChanging the RAID level of a disk group changes the RAID levels

138 Configuration: Disk Groups and Virtual DisksGuidelines when you work with host types with LUN mapping restrictions:• You cannot change a host adap

Configuration: Disk Groups and Virtual Disks 139Changing the RAID Controller Module Ownership of a Virtual Disk or a Disk GroupYou can change the RAID

14 ContentsInstalling a RAID Controller Module . . . . . . . 220Opening the RAID Controller Module. . . . . . . 220Closing the RAID Controller Mo

140 Configuration: Disk Groups and Virtual DisksdSelect the RAID controller module. CAUTION: Possible loss of data access—If you do not use a multi-p

Configuration: Disk Groups and Virtual Disks 141Changing the RAID Level of a Disk GroupUse the Change RAID Level option to change the RAID level on a

142 Configuration: Disk Groups and Virtual DisksWhen you choose this type of configuration, all of the hosts must have the same operating system and s

Configuration: Disk Groups and Virtual Disks 143Storage partitioning topology is the collection of elements, such as Default Group, host groups, hosts

144 Configuration: Disk Groups and Virtual DisksYou can also use the Command Line Interface (CLI) on both Windows and Linux hosts to add free capacity

Configuration: Disk Groups and Virtual Disks 145Disk Group MigrationDisk group migration allows to you export a disk group so that you can import the

146 Configuration: Disk Groups and Virtual Disks4Locate the disk group, and label the physical disks. 5Place the disk group offline. 6Obtain blank phy

Configuration: Disk Groups and Virtual Disks 147The following settings are removed/cleared during the procedure:• Persistent reservations • Host-to-vi

148 Configuration: Disk Groups and Virtual Disks• Redundancy mismatches error—The first 10 redundancy mismatches that are found on the virtual disk ar

Configuration: Disk Groups and Virtual Disks 149Suspending the Media ScanYou cannot perform a media scan while performing another long-running operati

Contents 1519 Troubleshooting: Your Storage Array Software . . . . . . . . . . . . 237Start-Up Routine . . . . . . . . . . . . . . . . . . . . . 23

150 Configuration: Disk Groups and Virtual Disksbook.book Page 150 Thursday, December 9, 2010 3:20 PM

Configuration: Premium Feature—Snapshot Virtual Disks 15111Configuration: Premium Feature—Snapshot Virtual Disks NOTE: If you ordered this feature, y

152 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 153Creating a Snapshot Virtual Disk Using the Simple PathYou can choose the simple path to creat

154 Configuration: Premium Feature—Snapshot Virtual Disks• Percent Full—When the snapshot repository virtual disk reaches the specified repository ful

Configuration: Premium Feature—Snapshot Virtual Disks 155 NOTE: Before you create a new snapshot of a source virtual disk, stop any data access (I/O)

156 Configuration: Premium Feature—Snapshot Virtual Disks9In the AMW, select the Mappings tab, assign mappings between the snapshot virtual disk and t

Configuration: Premium Feature—Snapshot Virtual Disks 157– Use free capacity on the same disk group where the source virtual disk resides. – Use free

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 159Before creating a snapshot virtual disk, the host server must be in the proper state. To prep

16 ContentsRecovering From an Unidentified Storage Array . . . 258Starting or Restarting the Host Context Agent Software . . . . . . . . . . . . .

160 Configuration: Premium Feature—Snapshot Virtual DisksCreating the Snapshot Using the Advanced Path NOTE: Removing the drive letter of the associa

Configuration: Premium Feature—Snapshot Virtual Disks 1619In the Snapshot repository virtual disk parameters area, enter the system behavior when:• Th

162 Configuration: Premium Feature—Snapshot Virtual DisksFor example, if you are creating the first snapshot virtual disk for a source virtual disk ca

Configuration: Premium Feature—Snapshot Virtual Disks 163Snapshot Repository CapacityIf you receive a warning that the capacity for the snapshot repos

164 Configuration: Premium Feature—Snapshot Virtual Diskscapacity is available, the maximum free space appears in the Increase capacity by.If free cap

Configuration: Premium Feature—Snapshot Virtual Disks 165 NOTE: The physical disks that appear have a capacity that is either the same size or larger

166 Configuration: Premium Feature—Snapshot Virtual DisksRe-Creating Snapshot Virtual DisksYou can re-create a snapshot virtual disk that you have pre

Configuration: Premium Feature—Snapshot Virtual Disks 167 NOTE: If you do not intend to re-create the snapshot virtual disk at a later time, in the L

168 Configuration: Premium Feature—Snapshot Virtual Disks3Click the Summary tab, then click Disk Groups & Virtual Disks to ensure that the snapsho

Configuration: Premium Feature—Virtual Disk Copy 16912Configuration: Premium Feature—Virtual Disk Copy NOTE: A virtual disk copy overwrites data on t

Contents 17Critical Conditions . . . . . . . . . . . . . . . . . 272Noncritical Conditions . . . . . . . . . . . . . . . 27221 Getting Help. . . .

170 Configuration: Premium Feature—Virtual Disk CopyReasons to use virtual disk copy include:• Copying data for improved access—As your storage requir

Configuration: Premium Feature—Virtual Disk Copy 171Virtual Disk Read/Write PermissionsAfter the virtual disk copy is complete, the target virtual dis

172 Configuration: Premium Feature—Virtual Disk CopyVirtual Disk Copy RestrictionsBefore you perform any virtual disk copy tasks, understand and adher

Configuration: Premium Feature—Virtual Disk Copy 173journaling file system, any attempt to issue a read request to the source virtual disk might be re

174 Configuration: Premium Feature—Virtual Disk CopyCreate Copy WizardThe Create Copy Wizard guides you through:1Selecting a source virtual disk from

Configuration: Premium Feature—Virtual Disk Copy 175Failed RAID Controller ModuleYou must manually change RAID controller module ownership to the alte

176 Configuration: Premium Feature—Virtual Disk CopyTo prevent write-protected error messages from appearing, do not try to access a source virtual di

Configuration: Premium Feature—Virtual Disk Copy 177Storage Array Performance During Virtual Disk CopyThe following factors contribute to the overall

178 Configuration: Premium Feature—Virtual Disk Copy3Select Change Copy Priority.The Change Copy Priority window is displayed.4In the Copy Priority a

Configuration: Premium Feature—Virtual Disk Copy 179Recopying a Virtual DiskYou can recopy a virtual disk when you have stopped a virtual disk copy an

18 Contentsbook.book Page 18 Thursday, December 9, 2010 3:20 PM

180 Configuration: Premium Feature—Virtual Disk Copy4Remove the drive letter(s) of the source and (if mounted) virtual disk in Windows or unmount the

Configuration: Premium Feature—Virtual Disk Copy 1815Select Copy Re-Copy.The Re-Copy window is displayed.6Set the copy priority. NOTE: There are fi

182 Configuration: Premium Feature—Virtual Disk Copybook.book Page 182 Thursday, December 9, 2010 3:20 PM

Configuration: Premium Feature—Upgrading to High-Performance-Tier 18313Configuration: Premium Feature—Upgrading to High-Performance-Tier The High Perf

184 Configuration: Premium Feature—Upgrading to High-Performance-Tierbook.book Page 184 Thursday, December 9, 2010 3:20 PM

Configuration: Device Mapper Multipath for Linux 18514Configuration: Device Mapper Multipath for LinuxOverviewThe MD3600i Series storage array uses a

186 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 187Using the MDSM software:1Map the host server to the MD3600i Series storage array.2Create the Virtu

188 Configuration: Device Mapper Multipath for LinuxScan for Newly Added Virtual Disks The rescan_dm_devs command scans the host server system looking

Configuration: Device Mapper Multipath for Linux 189The following is an example of SLES output:mpathb(360080e500017b2f80000c6ca4a1d4ab8) dm-21 DELL,MD

Introduction 191Introduction WARNING: See the Safety, Environmental, and Regulatory Information document for important safety information before foll

190 Configuration: Device Mapper Multipath for LinuxAdd a New Partition to Device MapperThe kpartx command adds the new fdisk partition to the Device

Configuration: Device Mapper Multipath for Linux 191Create a File System on a Device Mapper PartitionUse the standard mkfs command to create the file

192 Configuration: Device Mapper Multipath for Linux3Flush the Device Mapper multipath maps list to remove any old or modified mappings:# multipath –F

Configuration: Device Mapper Multipath for Linux 193Limitations and Known Issues• In certain error conditions with the no_path_retry or the queue_if_n

194 Configuration: Device Mapper Multipath for Linux• Failback can be slow when the host system is experiencing heavy I/O. The problem is exacerbated

Configuration: Device Mapper Multipath for Linux 195I removed a LUN. But the multipathing mapping is still available.The multipathing device is still

196 Configuration: Device Mapper Multipath for Linuxbook.book Page 196 Thursday, December 9, 2010 3:20 PM

Management: Firmware Downloads 19715Management: Firmware DownloadsDownloading RAID Controller and NVSRAM PackagesA version number exists for each firm

198 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 1997Click Transfer.Keep these guidelines in mind:–If the Transfer button is inactive, ensure that you either select an

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)• MD3600i Series resource media • The rack installation instructions included with your rack solution de

200 Management: Firmware Downloads13Select the file to download.14Click OK.15If you want to download the NVSRAM file with the RAID controller module f

Management: Firmware Downloads 201Downloading Only NVSRAM FirmwareUse the command line interface (CLI) to download and activate NVSRAM to several stor

202 Management: Firmware Downloads7Perform one of these actions:• Select Tools Upgrade RAID Controller Module Firmware.• Select the Setup tab, and cl

Management: Firmware Downloads 20313Click OK.The Confirm Download dialog appears.14Click Yes.The download starts and a progress indicator appears in t

204 Management: Firmware Downloads• Make sure that the firmware that you download to the physical disks are compatible with the physical disks that yo

Management: Firmware Downloads 205Downloading MD1200 Series Expansion Module EMM Firmware NOTE: Do not make any configuration changes to the storage

206 Management: Firmware Downloads6Click Yes to continue with the firmware download, NOTE: If you click Stop while a firmware download is in progres

Management: Firmware Downloads 207Media Errors and Unreadable SectorsIf the RAID controller detects a media error while accessing data from a physical

208 Management: Firmware Downloadsbook.book Page 208 Thursday, December 9, 2010 3:20 PM

Management: Installing Array Components 20916Management: Installing Array ComponentsRecommended ToolsYou may need the following items to perform the p

Introduction 21Other Information You May Need WARNING: See the safety and regulatory information that shipped with your system. Warranty information

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

Management: Installing Array Components 211Hard DrivesSAFETY: Models AMT, E03J, and E04JModels AMT, E03J, and E04J are intended for installation only

212 Management: Installing Array ComponentsFigure 16-3. Removing and Installing a 2.5-Inch Hard-Drive BlankInstalling a Drive Blank1If installed, remo

Management: Installing Array Components 2132From the Modular Disk Storage Manager (MDSM) software, prepare the drive for removal. Wait until the hard-

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

Management: Installing Array Components 215Removing a Hard Drive From a Hard-Drive CarrierRemove the screws from the slide rails on the hard-drive car

216 Management: Installing Array ComponentsFigure 16-6. Removing and Installing a Hard Drive Into a 2.5-Inch Drive Carrier1 screws (4) 2 drive carrier

Management: Installing Array Components 217Installing a Hard Drive Into a Drive Carrier1 Insert the hard drive into the hard-drive carrier with the co

218 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 219Removing a RAID Controller Module CAUTION: Many repairs may only be done by a certified service technicia

22 Introductionbook.book Page 22 Thursday, December 9, 2010 3:20 PM

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

Management: Installing Array Components 221Figure 16-9. Opening and Closing the RAID Controller ModuleClosing the RAID Controller Module CAUTION: Man

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

Management: Installing Array Components 223Installing the RAID Controller Module Backup Battery Unit CAUTION: Many repairs may only be done by a cert

224 Management: Installing Array ComponentsPower Supply/Cooling Fan ModuleThe array supports two hot-swappable power supply/cooling fan modules. While

Management: Installing Array Components 225Figure 16-11. Removing and Installing a Power Supply/Cooling Fan Module1 release tab 2 power supply3 power

226 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 227Control PanelRemoving the Control Panel1Turn off the array and host server.2Disconnect all the power cables

228 Management: Installing Array ComponentsFigure 16-14. Removing and Installing the Control Panel—PowerVault MD3620iInstalling the Control Panel1Alig

Management: Installing Array Components 229Backplane WARNING: Whenever you need to lift the array, get others to assist you. To avoid injury, do not

Planning: About Your Storage Array 232Planning: About Your Storage ArrayOverviewThe Dell PowerVault MD3600i Series storage array is designed for high

230 Management: Installing Array ComponentsFigure 16-15. Removing and Installing the RAID Controller Module /Power Supply Cage1 RAID controller module

Management: Installing Array Components 231Figure 16-16. Removing and Installing the Backplane—PowerVault MD3600iFigure 16-17. Removing and Installing

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

Management: Firmware Inventory 23317Management: Firmware InventoryA storage array is made up of many components, which might include RAID controller m

234 Management: Firmware Inventorybook.book Page 234 Thursday, December 9, 2010 3:20 PM

Management: System Interfaces 23518Management: System InterfacesMicrosoft ServicesVirtual Disk ServiceThe Microsoft Virtual Disk Service (VDS) is a co

236 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 23719Troubleshooting: Your Storage Array SoftwareStart-Up Routine Look and listen during the array’s star

238 Troubleshooting: Your Storage Array SoftwareTo launch the AMW, perform one of these actions:•On the Devices tab, in either the Tree view or the Ta

Troubleshooting: Your Storage Array Software 239In the Table view, every managed storage array is listed once, regardless of the number of attachments

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 SoftwareIn the Tree view, icons can appear in a string to convey more information. For example, the following

Troubleshooting: Your Storage Array Software 241Storage Array Support DataYou can gather various types of inventory, status, and performance data that

242 Troubleshooting: Your Storage Array Software NOTE: Enable only one collect support bundle data to a single client system. Setting multiple system

Troubleshooting: Your Storage Array Software 243• The version number for the management application programming interface (API).• The model ID for the

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

Troubleshooting: Your Storage Array Software 245Event LogYou can use the Event Log Viewer to view a detailed list of events that occur in a storage ar

246 Troubleshooting: Your Storage Array SoftwareRecovery GuruThe Recovery Guru is a component of MDSM that diagnoses critical events on the storage ar

Troubleshooting: Your Storage Array Software 2472Perform one of these actions in the Storage Array Profile dialog:• View detailed information—Go to st

248 Troubleshooting: Your Storage Array SoftwareViewing the Logical AssociationsYou can use the Associated Logical Elements option to view the logical

Troubleshooting: Your Storage Array Software 249Finding NodesYou can use the Find option to search for a particular node on the Logical tab, the Physi

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 Software7To search for all Free Capacity nodes with a particular capacity, perform these steps: NOTE: This op

Troubleshooting: Your Storage Array Software 2512Select View Go To Snapshot Virtual Disk. The selection jumps to the associated snapshot virtual dis

252 Troubleshooting: Your Storage Array Software• Out-of-band managed storage array—Go to step 6.• In-band managed storage array – Go to step 12.6For

Troubleshooting: Your Storage Array Software 253If you started the host system before you were connected to the RAID controller module in the storage

254 Troubleshooting: Your Storage Array SoftwareLocating a Physical DiskYou can use the Locate Physical Disk option to physically locate and identify

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 259bMake sure that the network can access the host by using the ping command in the following syntax: pin

26 Planning: About Your Storage Array3 Split mode LED This LED should be unlit as the split mode function is not supported by the MD3600i Series stora

260 Troubleshooting: Your Storage Array SoftwaredMake sure that the applicable network configuration tasks have been done (for example, the IP address

Troubleshooting: Your Storage Array Software 261Starting or Restarting the Host Context Agent SoftwareThe Host Context Agent software module is the so

262 Troubleshooting: Your Storage Array SoftwareChecking device /dev/sdb (/dev/sg11): Skipping Checking device <n/a> (/dev/sg3): Activating

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 s

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

Troubleshooting: Your Array 267wait for up to 5 minutes to check if the LED has turned blue. See "Recovery Guru" on page 246.bIf following t

268 Troubleshooting: Your ArrayTroubleshooting Hard Drives CAUTION: Many repairs may only be done by a certified service technician. You should only

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 MD3600i Series S

270 Troubleshooting: Your Array2Remove the following components from the array. See "Management: Installing Array Components" on page 209.•H

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

274 Getting Helpbook.book Page 274 Thursday, December 9, 2010 3:20 PM

Index 275Index AAccess Virtual Disk, 66Advanced FeatureUsing Snapshot and Disk Copy Tog eth er, 5 4Advanced Features, 51Snapshot Repository Virtual Di

Index 276Control PanelInstalling, 220Removing, 219Copy Manager, 173DDefining a Host, 96DellContacting, 265Disk GroupCreating, 106Expansion, 141Export,

Index 277Free Capacity, 142Front BezelInstalling, 202Removing, 202HHard DriveDrive Carrier, 206Installing, 206Removing, 204Hard-Drive Indicator Patter

Index 278MDSM, 20Media Errors and Unreadable Sectors, 200Media ScanChanging Settings, 146Suspending, 147MicrosoftVirtual Disk Service, 227Volume Shado

Index 279EMM blank, 209Front Bezel, 202Hard Drive, 204Hard Drive From a Drive Carrier, 206Power Supply/cooling Fan Module, 215Removing Copy Pairs, 178

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

Index 280Recovering from an Unresponsive Storage Array Condition, 243Recovery Guru, 237Starting or Restarting the Host-Agent Software, 252Start-Up Rou

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

282 Indexbook.book Page 282 Thursday, December 9, 2010 3:20 PM

Planning: About Your Storage Array 29Power Supply and Cooling Fan FeaturesThe MD3600i Series storage array includes two integrated, hot-swappable powe

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

30 Planning: About Your Storage ArrayPower Indicator CodesFigure 2-6. Power Indicator CodesItem LED Type Icon Description1 DC power The LED lights gre

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. MD3600i Series iSCSI RAID Controller ModuleItem Componen

Planning: RAID Controller Modules 338 Controller power LED Lights green when controller is turned on.Off when controller is not turned on.9 Controller

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 ResetTo reset a forgotten password, push and hold down the password reset switch for at least 5 se

36 Planning: RAID Controller ModulesWrite-Through CacheIn write-through cache, data is written to the physical disk before completion status is return

Planning: MD3600i Series Storage Array Terms and Concepts 374Planning: MD3600i Series Storage Array Terms and ConceptsThis chapter describes the stora

38 Planning: MD3600i Series Storage Array Terms and ConceptsPhysical DisksOnly Dell supported 6.0-Gbps SAS physical disks are supported in the storage

Planning: MD3600i 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: MD3600i Series Storage Array Terms and Concepts3Provide host server access.4Create mappings to associate the virtual disks with the host

Planning: MD3600i Series Storage Array Terms and Concepts 41RAID LevelsRAID levels determine the way in which data is written to physical disks. Diffe

42 Planning: MD3600i Series Storage Array Terms and ConceptsI/O performance is greatly improved by spreading the I/O load across many physical disks.

Planning: MD3600i Series Storage Array Terms and Concepts 43actual storage. RAID 10 is automatically used when a RAID level of 1 is chosen with four o

44 Planning: MD3600i Series Storage Array Terms and ConceptsForeground InitializationThe storage array supports foreground initialization for virtual

Planning: MD3600i Series Storage Array Terms and Concepts 45The storage array tracks the cycle for each disk group independent of other disk groups on

46 Planning: MD3600i Series Storage Array Terms and ConceptsSegment Size MigrationSegment size refers to the amount of data (in kilobytes) that the st

Planning: MD3600i Series Storage Array Terms and Concepts 47Disk Group DefragmentationDefragmenting consolidates the free capacity in the disk group i

48 Planning: MD3600i Series Storage Array Terms and Concepts• Segment size migration• Disk group expansion• Disk group defragmentation.The priority of

Planning: MD3600i Series Storage Array Terms and Concepts 49array, the MD3600i array does not recognize the migrating metadata and that data is lost.

Contents 5Cycle Time . . . . . . . . . . . . . . . . . . . . . 44Virtual Disk Operations Limit . . . . . . . . . . . . 45Disk Group Operations. .

50 Planning: MD3600i Series Storage Array Terms and Concepts• Migrating virtual disks to a storage array with no existing physical disks—Turn off the

Planning: MD3600i Series Storage Array Terms and Concepts 51• A unique LUN must be used by a host group or host server to access a virtual disk. • Not

52 Planning: MD3600i Series Storage Array Terms and ConceptsSnapshot Virtual DisksA snapshot is a point-in-time image of a virtual disk. The snapshot

Planning: MD3600i Series Storage Array Terms and Concepts 53For details on mapping the snapshot virtual disk to the secondary node, refer to the Dell

54 Planning: MD3600i Series Storage Array Terms and ConceptsVirtual Disk RecoveryYou can use the Edit host server-to-virtual disk mappings feature to

Planning: MD3600i Series Storage Array Terms and Concepts 55The multi-path software identifies the existence of multiple paths to a virtual disk and e

56 Planning: MD3600i Series Storage Array Terms and ConceptsOwnership can later be modified to balance workload according to actual usage. If virtual

Planning: MD3600i Series Storage Array Terms and Concepts 57• Least path weight with subset (Windows operating systems only)—The least queue depth wit

58 Planning: MD3600i Series Storage Array Terms and Concepts• RAID Controller modules•Virtual disks• Storage array totals NOTE: By default, all items

Planning: MD3600i Series Storage Array Terms and Concepts 59The Performance Monitor data provides information about how your storage array is performi

6 Contents5 Configuration: Overview . . . . . . . . . . . . 61User Interface . . . . . . . . . . . . . . . . . . . . . . 61Enterprise Management

60 Planning: MD3600i Series Storage Array Terms and Conceptsbook.book Page 60 Thursday, December 9, 2010 3:20 PM

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

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

Configuration: Overview 63• Upgrade firmware on multiple storage arrays concurrently.• Obtain information about the firmware inventory including the v

64 Configuration: Overview• Storage partitions• Disk groups and virtual disks•Logical tab—You can view the organization of the storage array by virtua

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: Verify that your host or management station network configuration— including station IP address, sub

68 Configuration: About Your Storage Array•In-band management—Enter a name or an IP address for the Host through which the storage array is attached t

Configuration: About Your Storage Array 69• Configure iSCSI host ports—Configure network parameters for each iSCSI host port automatically or specify

Contents 7Setting the Storage Array RAID ControllerModule Clocks . . . . . . . . . . . . . . . . . . . 827 Configuration: Using iSCSI . . . . . . .

70 Configuration: About Your Storage ArrayLocating Storage ArraysYou can use the Blink option to physically locate and identify a storage array. NOT

Configuration: About Your Storage Array 71The Name/Rename Storage Arrays dialog appears.2Select the relevant storage array from the Select storage arr

72 Configuration: About Your Storage Array• Select the Setup tab, and then click Set a Storage Array Password.• In the AMW, select the Logical tab, ri

Configuration: About Your Storage Array 73Viewing Storage Array ConnectionsYou can use the View Connections option to view the expansion enclosures co

74 Configuration: About Your Storage ArrayRemoving Storage ArraysYou can remove a storage array from the list of managed arrays if you no longer want

Configuration: About Your Storage Array 75Displaying Failover Alert You can change the failover alert delay for a storage array. The failover alert de

76 Configuration: About Your Storage ArrayChanging Expansion Enclosure ID NumbersWhen an MD1200 series expansion enclosure is connected to an MD3600i

Configuration: About Your Storage Array 77Configuring Alert NotificationsMDSM can send an alert for any condition on the storage array that requires y

78 Configuration: About Your Storage Array•All storage arrays—Select this option to send an e-mail alert about events on all storage arrays.•An indivi

Configuration: About Your Storage Array 79• Validating an e-mail address—Type the e-mail address in Email address or select the e-mail address in the

8 Contents9 Configuration: About Your Host . . . . . . . 95Configuring Host Access. . . . . . . . . . . . . . . . . 95Using the Mappings Tab. . .

80 Configuration: About Your Storage ArrayConfiguring SNMP AlertsTo add a management console to the list of addresses configured to receive SNMP alert

Configuration: About Your Storage Array 81• Deleting an SNMP address—Select the SNMP address in the Configured SNMP addresses area, and click Delete.

82 Configuration: About Your Storage ArrayUse the following guidelines to adjust the interval:• You can use the default interval. • You can run a lear

Configuration: Using iSCSI 837Configuration: Using iSCSIChanging the iSCSI Target AuthenticationTo change the iSCSI target authentication:1In the AMW,

84 Configuration: Using iSCSIEntering Mutual Authentication PermissionsMutual authentication or two-way authentication is a way for a client or a user

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 iSCSI4In the Configured Ethernet port speed list, select a network speed for the iSCSI host port.The network speed values in t

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

Contents 9Choosing an Appropriate Physical Disk Type . . . . . . 117Physical Disk Security withSelf Encrypting Disk. . . . . . . . . . . . . . . . .

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

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 MonitorEnabling or Disabling the Event MonitorYou can enable or disable the event monitor at any time.Disable the event monito

Configuration: About Your Host 959Configuration: About Your HostConfiguring Host AccessDell PowerVault Modular Disk Storage Manager (MDSM) software is

96 Configuration: About Your HostThe host topology is reconfigurable. You can perform the following tasks:• Create a host and assign an alias or user

Configuration: About Your Host 97Defining a Host You can use the Define Host Wizard in the AMW to define a host for a storage array. Either a known un

98 Configuration: About Your Host7In Host type, select the relevant operating system for the host.The Host Group Question window is displayed.8In this

Configuration: About Your Host 99Managing Host GroupsA host group is a logical entity of two or more hosts that share access to specific virtual disks