Dell OpenManage Server Administrator Version 7.2 Uživatelský manuál

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Strany 1 - User’s Guide

Server Administrator StorageManagementUser’s Guide

Strany 2 - Notes, Cautions, and Warnings

10 ContentsFan Properties . . . . . . . . . . . . . . . . . . . . . 153Power Supply Properties . . . . . . . . . . . . . . . 155Temperature Probe

Strany 3 - Contents

100 ControllersBased on this information, you can decide whether you want to import, recover, or clear the foreign configuration. To preview the impor

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Controllers 101Importing Foreign Configurations Some controllers enable you to import a foreign configuration so that virtual disks are not lost after

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102 ControllersImporting/Recovering Foreign Configurations The recover operation attempts to restore degraded, failed, or missing virtual disks to a h

Strany 6 - 6 Storage Information and

Controllers 103Clear Foreign Configuration Does my controller support this feature? See Supported Features.After moving a physical disk from one contr

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104 Controllers4Select Clear Foreign Configuration from the Controller tasks.Physical Disks in Foreign Virtual DisksThe Physical Disks in Foreign Virt

Strany 8 - 8 Contents

Controllers 105After Import State This property displays the after-import state of the physical disk. The physical disk can be imported in any of the

Strany 9

106 ControllersFailure Predicted This property displays whether or not the physical disk has received a Self-Monitoring Analysis and Reporting Technol

Strany 10 - 10 Contents

Controllers 107Media This property displays the media type of the physical disk. The possible values are:HDD—Hard Disk Drive. A HDD is a non-volatile

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108 ControllersNegotiated Speed This property displays the speed of data transfer that the disk negotiated while spinning up and upon initial communi

Strany 12 - 12 Contents

Controllers 109Set Background Initialization Rate Does my controller support this feature? See Supported Features.The Set Background Initialization Ra

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Contents 1111 RAID Controller Batteries . . . . . . . . . . . 171Battery Properties and Tasks . . . . . . . . . . . . . . 171Battery Properties . .

Strany 14 - 14 Contents

110 Controllers4Select Set Background Initialization Rate from the Available Tasks drop-down menu. 5Click Execute.You can also locate this task from t

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Controllers 111You can also locate this task from the Change Controller Properties drop down menu. For more information, see Change Controller Propert

Strany 16 - 16 Contents

112 ControllersYou can also locate this task from the Change Controller Properties drop down menu. For more information, see Change Controller Propert

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Controllers 113Figure 7-1. Daisy Chain ConfigurationIf the communication channel between the connector and the first enclosure is lost, the redundant

Strany 18 - 18 Contents

114 ControllersTable 7-6. Component HealthHowever, if the communication channel between any two enclosures is lost, the redundant path configuration i

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Controllers 115Clearing the Redundant Path ViewConsider a case where you reboot your system and Storage Management, displays the Logical Connector wit

Strany 20 - 20 Contents

116 ControllersThe Patrol Read does not run on a physical disk in the following circumstances: • The physical disk is not included in a virtual disk o

Strany 21 - Overview

Controllers 117To locate this task in Storage Management: 1Expand the Storage tree object to display the controller objects. 2Select a controller obje

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118 ControllersRelated Information: Set Patrol Read ModeChange Controller PropertiesDoes my controller support this feature? See Supported Features.Th

Strany 23 - Supported Controllers

Controllers 1192Select a controller object.3Select the Information/Configuration subtab.4Select Change Controller Properties... from the Controller Ta

Strany 24 - Supported Enclosures

12 ContentsClear Physical Disk and Cancel Clear. . . . . . . . . 192Revertible Hot Spare. . . . . . . . . . . . . . . . . . 193Instant Encrypt Era

Strany 25 - Getting Started

120 Controllers• Customized Power Savings Mode—provides the option for you to customize the power savings settings. The default values are populated w

Strany 26 - User Privileges

Controllers 121To manage physical disk power on unconfigured drives and hot spares:1Select Enabled for the Spin Down Unconfigured Drives and Spin Down

Strany 27 - Health Subtab

122 ControllersTo manage physical disk power through the Customized Power Savings Mode:1Select the Customized Power Save Mode option.2Edit the remaini

Strany 28 - Common Storage Tasks

Controllers 123Manage Preserved CacheThe Managed Preserved Cache feature provides you the option to ignore or restore the controller cache data.In the

Strany 29 - Getting Started 29

124 ControllersManage Encryption Key NOTE: To configure encryption, you do not require an SED. However, to create a secure virtual disk, you require

Strany 30 - 30 Getting Started

Controllers 125Encryption KeyThe controller uses the Encryption Key to lock or unlock access to Self Encryption Disks (SEDs). You can create only one

Strany 31 - Understanding RAID Concepts

126 Controllers NOTE: Server Administrator Storage Management provides a suggested Passphrase below the Passphrase text box.4If you want to save the

Strany 32 - RAID Concepts

Controllers 127When changing the Encryption Key, you can also save or update the new Encryption Key credentials to a file in the system where Distribu

Strany 33 - Performance

128 Controllers2In the CacheCade Group section, select SATA SSD or SAS SSD if your system contains both SAS and SATA SSDs.3Enter a name for the CacheC

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Controllers 129The LED of the physical disk(s) participating in the CacheCade glows.To unblink the physical disk in the CacheCade(s) screen, go to the

Strany 35 - Concatenation

Contents 13What is a Virtual Disk Bad Block? . . . . . . . . . 208Recommendations . . . . . . . . . . . . . . . . . 210Virtual Disk Properties and T

Strany 36 - RAID Level 0 (Striping)

130 ControllersConvert to Non-RAID DisksOn PERC H310 adapters, in the controller tasks drop-down menu select the task Convert to Non-RAID disks:1The d

Strany 37 - RAID 0 Characteristics:

Controllers 131Patrol Read ReportDoes my controller support this feature? See Supported Features.This report provides information on all the Patrol Re

Strany 38 - RAID Level 1 (Mirroring)

132 ControllersPhysical Disk Firmware Version ReportDoes my controller support this feature? See Supported Features.The Physical Disk Firmware Version

Strany 39 - RAID 5 Characteristics:

Controllers 133Table 7-10. Physical Disk Firmware Version Report PropertiesProperty DefinitionName The nexus or location of each drives that has to be

Strany 40

134 ControllersNautilus DOS Nautilus is the tool that is used for offline firmware updates. Nautilus DOS is the version of the tool that works on 9th

Strany 41 - RAID 6 Characteristics:

Enclosures and Backplanes 1358Enclosures and Backplanes Physical disks can be contained in an enclosure or attached to the system’s backplane. An encl

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136 Enclosures and BackplanesStorage Management displays the properties of the enclosure’s fans, power supply, and temperature probes. Storage Managem

Strany 43 - RAID 50 Characteristics:

Enclosures and Backplanes 137The Failure threshold has a default value that cannot be changed. You can set the Warning threshold, however. For informa

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138 Enclosures and BackplanesSMART Thermal ShutdownDoes my enclosure support this feature? See Supported Features.Enclosure management provides a feat

Strany 45 - RAID 60 Characteristics:

Enclosures and Backplanes 139enclosure may no longer be displayed by Storage Management and you may notice other erratic behaviors. In addition, the b

Strany 46

14 ContentsAssign and Unassign Dedicated Hot Spare . . . . . . 240Virtual Disk Task: Replace Member Disk (Step 1 of 2). . . . . . . . . . . . . . .

Strany 47 - RAID 10 Characteristics:

140 Enclosures and BackplanesEnclosure and Backplane Health This screen displays the status of the enclosure or backplane and the components attached

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Enclosures and Backplanes 141Enclosure and Backplane Components For information on attached components, see Physical Disks or Physical Devices.Enclosu

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142 Enclosures and BackplanesTable 8-2. Enclosure and Backplane PropertiesProperty Definition These icons represent the severity or health of the stor

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Enclosures and Backplanes 143Configuration This property displays the mode in which the enclosure is operating. Possible values are: Joined—Indicates

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144 Enclosures and BackplanesEnclosure Tasks To execute a drop-down menu enclosure task: 1Expand the Storage tree object to display the controller obj

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Enclosures and Backplanes 145Drop-down Menu Enclosure Tasks:• Enable Alarm (Enclosure)• Disable Alarm (Enclosure)• Set Asset Data•Blink• Set Temperatu

Strany 53 - Storage Health

146 Enclosures and BackplanesDisable Alarm (Enclosure) Does my enclosure support this feature? See Supported Features.Use the Disable Alarm task to di

Strany 54 - Storage Component Severity

Enclosures and Backplanes 147Identifying an Open Connector for the Enclosure Does my controller support this feature? See Supported Features.If you ha

Strany 55

148 Enclosures and BackplanesVerifying the Enclosure’s EMM Firmware Version Does my controller support this feature? See Supported Features.The firmwa

Strany 56 - Alerts or Events

Enclosures and Backplanes 1492Type the new asset name in the New asset name text box. You can specify a name useful to you for organizing your storage

Strany 57

Contents 15Size Requirements for Global Hot Spares on S100, and S300 Controllers. . . . . . . . . . . . . 252Global Hot Spare Considerations on a SAS

Strany 58

150 Enclosures and Backplanes3Type the lowest acceptable temperature in Celsius for the enclosure in the Minimum Warning Threshold text box. The text

Strany 59 - PCIe SSD Features

Enclosures and Backplanes 151To locate this task in Storage Management: 1Expand the Storage tree object to display the controller objects. 2Expand a c

Strany 60 - PCIe Sub System Properties

152 Enclosures and BackplanesTable 8-3. EMM PropertiesProperty Definition Status These icons represent the severity or health of the storage componen

Strany 61 - Physical Device Properties

Enclosures and Backplanes 153Fan PropertiesUse this window to view information about the enclosure’s fans. The fans are a component of the enclosure’s

Strany 62 - Physical Device Tasks

154 Enclosures and BackplanesTable 8-4. Fan PropertiesProperty Definition Status These icons represent the severity or health of the storage componen

Strany 63 - Blink and Unblink

Enclosures and Backplanes 155Power Supply Properties Use this window to view information about the enclosure’s power supplies. Table 8-5. Power Supply

Strany 64 - PCIe SSD Sub System Health

156 Enclosures and BackplanesFirmware Version This property displays the firmware version number of the power supply. The firmware version of power su

Strany 65 - Global Tasks

Enclosures and Backplanes 157Temperature Probe Properties and TasksDoes my enclosure support this feature? See Supported Features.Use this window to v

Strany 66 - Global Rescan

158 Enclosures and BackplanesState This property displays the current status of the temperature probe. Ready—The temperature probe is functioning nor

Strany 67 - Storage Controllers

Enclosures and Backplanes 159Set Temperature Probe Properties and Tasks Click the Set Temperature Probe button to launch the wizard for changing the t

Strany 68

16 ContentsSpecific Problem Situations and Solutions . . . . . . 265Physical Disk is Offline or Displays an Error Status. . . . . . . . . . . . . .

Strany 69

160 Enclosures and Backplanes

Strany 70

Connectors 1619Connectors A controller contains one or more connectors (channels or ports) to which you can attach disks. A connector is externally ac

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162 Connectors NOTE: Channel redundancy only applies to controllers that have more than one channel and that attach to an external disk enclosure. 1L

Strany 72 - RAID Controller Features

Connectors 1634Click Continue. RAID 50 1Select one physical disk on each of three channels. (In other words, each of the three channels select a singl

Strany 73 - Controllers 73

164 ConnectorsTable 9-1. Component SeverityConnector Information For information on the connector, see the following topics: • Connectors• Connector P

Strany 74 - Cache Policy

Connectors 165Table 9-2. Connector PropertiesProperty Definition These icons represent the severity or health of the storage component. For more infor

Strany 75 - Controllers 75

166 ConnectorsConnector Tasks: Rescan Connector Does my controller support this feature? See Supported Features.On a SCSI controller, this task rescan

Strany 76 - Write Policy

Connectors 167Table 9-3. Logical Connector PropertiesPath HealthThe path health of the connectors is represented as normal, warning, or critical. The

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168 ConnectorsSelecting this option clears the redundant path view and the connectors are represented on the user interface as Connector 0 and Connect

Strany 78 - Disk Cache Policy

Tape Drives 16910Tape DrivesTape drives contain several tape back up units (TBUs) on which data can be backed up. Storage Management enumerates the TB

Strany 79 - Firmware/Driver Versions

Contents 17How Can I Safely Remove or Replace a Physical Disk?. . . . . . . . . . . . . . . . . . . . . . 273How do I Recover from Removing the Wrong

Strany 81

RAID Controller Batteries 17111RAID Controller Batteries Some RAID controllers have batteries. If the controller has a battery, Storage Management dis

Strany 82 - Controller Health

172 RAID Controller BatteriesTable 11-1. Battery PropertiesProperty Definition Status These icons represent the severity or health of the storage com

Strany 83 - Controller Components

RAID Controller Batteries 173Battery TasksTo execute a drop-down menu battery task: 1Expand the Storage tree object to display the controller objects.

Strany 84 - Controller Properties

174 RAID Controller BatteriesThe controller firmware automatically initiates the Learn cycle every 90 days. You can, however, delay the start time of

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RAID Controller Batteries 175To locate this task in Storage Management: 1Expand the Storage tree object to display the controller objects. 2Expand the

Strany 86 - 86 Controllers

176 RAID Controller Batteries

Strany 87

Physical Disks or Physical Devices 17712Physical Disks or Physical DevicesPhysical disks or physical devices reside within an enclosure or are attache

Strany 88 - 88 Controllers

178 Physical Disks or Physical Devices NOTE: With the exception of combining SAS,SATA,SCSI, and SSD drives, only upgrades are supported.Add a New Dis

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Physical Disks or Physical Devices 179• If you want to include the new disk in a virtual disk, see Virtual Disk Considerations for Controllers.How to

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18 ContentsVirtual Disk Specifications . . . . . . . . . . . . 297Supported RAID Levels . . . . . . . . . . . . . . 299Read, Write, Cache and Dis

Strany 91 - Disable Alarm (Controller)

180 Physical Disks or Physical Devices4Insert a new disk. Make sure that the new disk is the same size or larger as the disk you are replacing. On som

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Physical Disks or Physical Devices 181Physical Disk or Physical Device Properties The following table describes properties that may be displayed for p

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182 Physical Disks or Physical DevicesState This property displays the current state of the physical disk or device. Ready—The physical disk or devic

Strany 94 - Set Rebuild Rate

Physical Disks or Physical Devices 183Rebuilding—Data from a redundant virtual disk is currently being rebuilt onto the physical disk or device. Incom

Strany 95 - Reset Configuration

184 Physical Disks or Physical DevicesReplacing—A Replace Member Disk task is being performed on the physical disk or device. For more information, se

Strany 96 - Export Log

Physical Disks or Physical Devices 185Failure Predicted This property displays whether or not the physical disk or device has received a SMART alert a

Strany 97

186 Physical Disks or Physical DevicesBus Protocol This property displays the technology that the physical disk or device is using. Possible values ar

Strany 98 - Disks and Global Hot Spares

Physical Disks or Physical Devices 187Physical Disk or Physical Device Tasks To execute a physical disk or physical device task: 1Expand the Storage t

Strany 99

188 Physical Disks or Physical Devices NOTE: Different controllers support different features. For this reason, the tasks displayed on the Tasks drop

Strany 100

Physical Disks or Physical Devices 189into a server or an enclosure. If the physical disk is not contained in a carrier but is instead designed to be

Strany 101 - Controllers 101

Contents 19Enclosure and Backplane Features . . . . . . . . . . . 318Enclosure and Backplane Tasks . . . . . . . . . . 319 . . . . . . . . . . . . .

Strany 102 - Controllers

190 Physical Disks or Physical DevicesIn some cases, a rescan is required for the controller to recognize configuration changes such as the removal of

Strany 103 - Clear Foreign Configuration

Physical Disks or Physical Devices 191without interrupting the system or requiring your intervention. When a hot spare is activated, it rebuilds the d

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192 Physical Disks or Physical Devices• Considerations for Hot Spares on S100, and S300 Controllers• Global Hot Spare Considerations on a SAS 6/iROnli

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Physical Disks or Physical Devices 193Use the clear physical disk task to erase data residing on a physical disk. The Clear task applies to physical d

Strany 106 - 106 Controllers

194 Physical Disks or Physical DevicesYou can also use the Revertible Hot Spare task to copy data from a physical disk to the hot spare on a predictiv

Strany 107

Physical Disks or Physical Devices 195To locate this task in Storage Management: 1Expand the Storage tree object to display the controller objects. 2E

Strany 108 - 108 Controllers

196 Physical Disks or Physical DevicesConvert to RAID Capable DiskThis task enables a disk for all RAID operations. This task is supported on H310 con

Strany 109

Virtual Disks 19713Virtual DisksIn order to implement RAID functions, RAID controllers must create a virtual disk. A virtual disk refers to storage cr

Strany 110 - Set Check Consistency Rate

198 Virtual Disks• Rescan to Update Storage Configuration Changes• Time Delay in Displaying Configuration Changes NOTE: In addition to this document,

Strany 111 - Set Reconstruct Rate

Virtual Disks 199must decide which free space on the physical disks to allocate to the new virtual disk. The PERC controllers look for the largest are

Strany 112 - Redundant Path Configuration

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

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20 ContentsHealth Status Rollup: One Enclosure EMM is Failed. . . . . . . . . . . . . . . . . . . . . . . . . . 327Health Status Rollup: One Enclosu

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200 Virtual Disks•Rebuilding data—An failed physical disk that is used by both redundant and non-redundant virtual disks cannot be rebuilt. Rebuilding

Strany 115 - Set Patrol Read Mode

Virtual Disks 201Virtual Disk Considerations on Linux On some versions of the Linux operating system, the virtual disk size is limited to 1TB. Before

Strany 116 - To set the Patrol Read mode:

202 Virtual DisksMaximum Number of Virtual Disks per Controller Controllers have limitations on how many virtual disks can be created on the controlle

Strany 117 - Start and Stop Patrol Read

Virtual Disks 203• SMART Thermal Shutdown• Channel Redundancy and Thermal Shutdown NOTE: Channel redundancy only applies to controllers that have mor

Strany 118 - Change Controller Properties

204 Virtual DisksReconfiguring/Migrating Virtual DisksDoes my controller support this feature? See Supported Features.You can reconfigure or migrate a

Strany 119 - Manage Physical Disk Power

Virtual Disks 205PERC 5/E, and PERC 5/iRAID 1 RAID 0 With or without adding additional disks RAID 1 RAID 5 Add additional disks RAID 5 RAID 0 Wi

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206 Virtual DisksRAID 0 RAID 6 RAID 6 requires a minimum of 4 disks. Reconfiguration from RAID 0 to RAID 6 requires at least 2 additional disks even

Strany 121

Virtual Disks 207Maintain Integrity of Redundant Virtual Disks Does my controller support this feature? See Supported Features.The virtual disk Check

Strany 122

208 Virtual DisksRebuilding Redundant InformationDoes my controller support this feature? See Supported Features.If you have a redundant virtual disk,

Strany 123 - Manage Preserved Cache

Virtual Disks 209Table 13-2. Sample Scenarios For Virtual Disk Bad BlocksRAID Level Virtual DiskState Scenario ResultRAID 0 Degraded One bad block on

Strany 124 - Manage Encryption Key

Overview 211OverviewServer Administrator Storage Management provides enhanced features for configuring a system's locally-attached RAID and non-R

Strany 125 - Encryption Key

210 Virtual DisksRecommendationsStorage Management provides the ability to clear the bad block warnings. To clear bad blocks, the following procedure

Strany 126

Virtual Disks 211Table 13-3. Virtual Disk PropertiesProperty Definition Status These icons represent the severity or health of the storage component.

Strany 127 - Manage CacheCade

212 Virtual DisksBackground Initialization—A background initialization is being performed on the virtual disk. Degraded Redundancy—This state is appli

Strany 128 - Renaming the CacheCade

Virtual Disks 213Media This property displays the media type of the physical disks present in the virtual disk. The possible values are:HDD—Hard Disk

Strany 129 - CacheCade Properties

214 Virtual DisksVirtual Disk Tasks To execute a virtual disk drop-down menu task: 1Expand the Storage tree object to display the controller objects.

Strany 130 - Convert to RAID Capable Disks

Virtual Disks 215• Clear Virtual Disk Bad Blocks• Encrypt Virtual DiskReconfigure Does my controller support this feature? See Supported Features.Use

Strany 131 - Slot Occupancy Report

216 Virtual DisksUse the Restore Dead Segments task to recover data from a RAID-5 virtual disk that has been corrupted. The Restore Dead Segments task

Strany 132

Virtual Disks 217 NOTE: The Pause Check Consistency task updates the virtual disk State property to Resynching Paused immediately. The Progress prope

Strany 133

218 Virtual DisksChange Policy Does my controller support this feature? See Supported Features.Use the Change Policy task to change a virtual disk’s r

Strany 134 - 134 Controllers

Virtual Disks 219Create Virtual Disk Express WizardDoes my controller support this feature? See Supported Features.The Create Virtual Disk Wizard allo

Strany 135 - Enclosures and Backplanes

22 Overview• Added support for mapping Enhanced Error Message Initiative (EEMI) messages.• Added support for debranding.• Added support for enumeratin

Strany 136 - Enclosure Temperature Probes

220 Virtual Diskscontinues to function. This feature provides data redundancy and good read performance, but slightly slower write performance. Your s

Strany 137 - Enclosures and Backplanes 137

Virtual Disks 221Create Virtual Disk Express Wizard (Step 2)The Create Virtual Disk Express Wizard - <Controller Name> page displays the summary

Strany 138 - SMART Thermal Shutdown

222 Virtual Diskstakes additional time, because the drive(s) need to spun up. The message displays the ID(s) of the spun down drive(s).Click Go Back T

Strany 139 - Enclosure Management

Virtual Disks 223If you select No, the RAID levels are available based on the total number of physical disks present on the system.5Select the require

Strany 140

224 Virtual Disksprotection and read/write performance. Your system must have at least four disks to use RAID 10. For PERC controllers with firmware v

Strany 141 - Enclosures and Backplanes 141

Virtual Disks 225• Across connectors in the enclosure that are not at the same level of the enclosure but with a physical disk of acceptable size diff

Strany 142 - 142 Enclosures and Backplanes

226 Virtual DisksCreate Virtual Disk Advanced Wizard (Step 2)Depending on the RAID level you selected in the Create Virtual Disk Wizard (Step 1) <C

Strany 143

Virtual Disks 227•Select All Disks check box — Enables you to select all the physical disks in all the enclosures.•Enclosure check box — Enables you t

Strany 144 - Enclosure Tasks

228 Virtual DisksCreate Virtual Disk Advanced Wizard (Step 3)The Create Virtual Disk Advanced Wizard (Step 3 of 3) - <Controller Name> page is d

Strany 145 - Available Reports

Virtual Disks 229displayed near the Size text box. In some cases, the virtual is slightly larger than the size you specify. The Create Virtual Disk Wi

Strany 146 - View Slot Occupancy Report

Overview 23Supported ControllersThis release of Storage Management supports the following controllers. The firmware and drivers listed in the Server A

Strany 147 - Enclosures and Backplanes 147

230 Virtual DisksThe message displays the ID(s) of the spun down drive(s).Click Go Back To Previous Page to return to Create Virtual Disk Advanced Wiz

Strany 148

Virtual Disks 231The Reconfigure task enables you to change the virtual disk configuration. Using this task, you can change the RAID level and increas

Strany 149 - Set Temperature Probe Values

232 Virtual Disks NOTE: For PERC H310 Adapter, PERC H310 Mini Monolithic, PERC H310 Mini Blades, PERC H700, PERC H710 Adapter, PERC H710 Mini Blades,

Strany 150

Virtual Disks 233Concatenated, see Number of Physical Disks per Virtual Disk. Using Concatenated does not provide data redundancy nor does it affect t

Strany 151 - EMM Properties

234 Virtual Disks NOTE: The PERC S100 and S300 controllers do not allow you to change the RAID level.3Click Continue to go to the next screen or Exit

Strany 152 - 152 Enclosures and Backplanes

Virtual Disks 235initialize can be completed quickly because existing information on the physical disks is not erased, although future write operation

Strany 153 - Fan Properties

236 Virtual Disks1Review the virtual disk that is destroyed by the Format or Initialize and make sure that vital data is not lost. Click Blink at the

Strany 154 - 154 Enclosures and Backplanes

Virtual Disks 237To delete a virtual disk: To identify which physical disks are included in the virtual disk, click Blink. The LED lights on the physi

Strany 155 - Power Supply Properties

238 Virtual DisksTo rename a virtual disk: 1Type the new name in the text box. 2Click Rename. To exit without renaming the virtual disk, click Go Back

Strany 156 - 156 Enclosures and Backplanes

Virtual Disks 239Split Mirror Does my controller support this feature? See Supported Features.Use the Split Mirror task to separate mirrored data orig

Strany 157

24 Overview• SAS 5/i Integrated • SAS 5/E • SAS 6Gbps AdapterSupported Enclosures This release of Storage Management supports the following enclosures

Strany 158 - 158 Enclosures and Backplanes

240 Virtual DisksUse the Unmirror task to separate mirrored data and restore one half of the mirror to free space. Unmirroring a RAID 1 or RAID 1-conc

Strany 159 - Enclosures and Backplanes 159

Virtual Disks 241To assign a dedicated hot spare: 1Select the disk in the Connector (channel or port) table that you want to use as the dedicated hot

Strany 160 - 160 Enclosures and Backplanes

242 Virtual DisksYou can copy data from a physical disk, which is a member of a virtual disk, to another physical disk by providing a Replace Member C

Strany 161 - Connectors

Virtual Disks 2435Click Execute. Virtual Disk Task: Replace Member Disk (Step 2 of 2)This screen displays the summary of the attributes of the virtual

Strany 162

244 Virtual Disks

Strany 163 - Connector Health

Moving Physical and Virtual Disks from One System to 14Moving Physical and Virtual Disks from One System to Another This section describes how to move

Strany 164 - Connector Properties

246 Moving Physical and Virtual Disks from One System to AnotherMigrating SAS Virtual Disks to Another System The following describes how to migrate v

Strany 165

Protecting Your Virtual Disk with a Hot Spare 24715Protecting Your Virtual Disk with a Hot SpareWhen you create a redundant virtual disk using a RAID

Strany 166 - Logical Connector Properties

248 Protecting Your Virtual Disk with a Hot SpareThe Hot Spare Protection Policy provides you with a higher protection level for the virtual disks by

Strany 167 - Path Health

Protecting Your Virtual Disk with a Hot Spare 249Global Hot Spare Protection PolicyTable 15-2. Global Hot Spare Properties NOTE: When assigning a glo

Strany 168 - Logical Connector Components

Getting Started 252Getting Started Server Administrator Storage Management is designed for system administrators who implement hardware RAID solutions

Strany 169 - Tape Drives

250 Protecting Your Virtual Disk with a Hot Spare• Enclosure affinity settings for a global/dedicated hot spare are not automatically set when you upg

Strany 170 - 170 Tape Drives

Protecting Your Virtual Disk with a Hot Spare 251A dedicated hot spare can only be assigned to the set of virtual disks that share the same physical d

Strany 171 - RAID Controller Batteries

252 Protecting Your Virtual Disk with a Hot SpareConsiderations for Hot Spares on S100, and S300 Controllers For the S100, and S300 controllers, a hot

Strany 172 - 172 RAID Controller Batteries

Protecting Your Virtual Disk with a Hot Spare 253• When removing a physical disk that is assigned as a global hot spare, unassign the hot spare before

Strany 173 - Battery Tasks

254 Protecting Your Virtual Disk with a Hot Spare

Strany 174 - Battery Delay Learn Cycle

CacheCade Using Solid State Drives 25516CacheCade Using Solid State DrivesCacheCade is used to improve random read performance of the Hard Disk Drive

Strany 175 - Related Information:

256 CacheCade Using Solid State Drives• The total amount of cache pool with a CacheCade is 512 GB. If you create a CacheCade which is larger than 512

Strany 176 - 176 RAID Controller Batteries

Troubleshooting 25717Troubleshooting This section contains troubleshooting procedures for common situations as well as for specific problems. Common T

Strany 177

258 TroubleshootingSystem RequirementsMake sure that the system meets all system requirements. In particular, verify that the correct levels of firmwa

Strany 178 - Add a New Disk to Your System

Troubleshooting 259Replacing a Failed Disk You may need to replace a failed disk in the following situations: • Replacing a Failed Disk that is Part o

Strany 179

26 Getting StartedLaunching Storage Management Storage Management is installed as a Server Administrator service. All Storage Management features are

Strany 180 - Other Disk Procedures

260 TroubleshootingReplacing a Failed Physical Disk that is Part of a Non-Redundant Virtual DiskIf the failed physical disk is part of a non-redundant

Strany 181

Troubleshooting 261Recovering from Removing the Wrong Physical Disk If the physical disk that you mistakenly removed is part of a redundant virtual di

Strany 182

262 Troubleshooting• Cannot Create a Virtual Disk• Virtual Disk Errors on Linux• Problems Associated With Using the Same Physical Disks for Both Redun

Strany 183

Troubleshooting 263A Rebuild Completes with Errors In some situations, a rebuild may complete successfully while also reporting errors. This may occur

Strany 184

264 Troubleshooting• The controller may be performing other tasks, such rebuilding a physical disk, that must run to completion before the controller

Strany 185

Troubleshooting 265Problems Associated With Using the Same Physical Disks for Both Redundant and Non-Redundant Virtual Disks When creating virtual dis

Strany 186

266 TroubleshootingPhysical Disk is Offline or Displays an Error Status A physical disk may display an error status if it has been damaged, taken offl

Strany 187

Troubleshooting 267•I/O If you receive an alerts 2146 through 2150 as the result of doing a rebuild or while the virtual disk is in a degraded state,

Strany 188

268 TroubleshootingA Task Menu Option is Not Displayed You may notice that the task menus do not always display the same task options. This is because

Strany 189 - Prepare to Remove

Troubleshooting 269Storage Management May Delay Displaying Storage Devices After RebootStorage Management requires time after a reboot to find and inv

Strany 190 - Cancel Rebuild

Getting Started 27Administrator privileges are required to access all Storage Management features. Administrator privilege allows you to execute the d

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270 TroubleshootingPhysical Disks Display Under Connector Not Enclosure Tree Object Storage Management polls the status of physical disks at frequent

Strany 192 - Online and Offline

Troubleshooting 271Device driver is not installedSolution: 1Contact your service provider for downloading the latest PCIe SSD driver.2Open Device Mana

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Frequently Asked Questions 27318Frequently Asked Questions This section provides frequently asked questions that address situations commonly experienc

Strany 195 - Full Initialization

274 Frequently Asked QuestionsHow do I Recover from Removing the Wrong Physical Disk?For more information, see Recovering from Removing the Wrong Phys

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Frequently Asked Questions 2753To display more information about a particular controller including its tasks, click the controller’s name in the Name

Strany 197 - Virtual Disks

276 Frequently Asked Questions

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Supported Features 277ASupported Features Different controllers support different features. The tasks displayed by the Storage Management menus and ot

Strany 199 - Virtual Disks 199

278 Supported FeaturesDisable Alarm Yes No No NA NA NAQuiet Alarm Yes No No NA NA NATest Alarm Yes No No NA NA NAReset configuration Yes Yes Yes Yes Y

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Supported Features 279Foreign ConfigurationNo No Yes with firmware 6.1 and laterYes with firmware 6.1 and laterYes with firmware 6.1 and laterNoImport

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28 Getting Startedthe tree view and then select the Information/Configuration subtab. The Information/Configuration subtabs have task drop-down menus

Strany 202 - Express Wizard

280 Supported FeaturesBattery Tasks Connector Tasks Slot Occupancy ReportYesYes Yes Yes Yes YesPhysical Disk Firmware Version ReportYes Yes Yes Yes Ye

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Supported Features 281Physical Disk Tasks Table A-4. Physical Disk Tasks Supported by the PERC 5/E, PERC 6/, and CERC 6/I ControllersPhysical Disk Tas

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282 Supported FeaturesVirtual Disk Tasks Table A-5. Virtual Disk Tasks Supported by the PERC 5/, PERC 6/, and CERC 6/I Controllers Virtual Disk Task

Strany 205 - (continued)

Supported Features 283Virtual Disk Specifications Cancel Format Virtual DiskNo No No No No NoRestore Dead Disk SegmentsNo No No No No NoInitialize Vir

Strany 206 - 206 Virtual Disks

284 Supported FeaturesMaximum Number of Spans per Virtual Disk 8 8 8 888Maximum Number of Physical Disks per Span 32 32 32 32 32 32Minimum Stripe Size

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Supported Features 285Minimum Number of Physical Disks in a RAID 0 111 111Minimum Number of Physical Disks in a RAID 1222 222Minimum Number of Physica

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286 Supported FeaturesSupported RAID Levels Read, Write, Cache and Disk Cache PolicyTable A-7. RAID Levels Supported by the PERC 5/E, PERC 6/, and CER

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Supported Features 287Enclosure Support Supported Features on the PERC Hardware ControllersThis section identifies the controller-supported features a

Strany 210 - Virtual Disk Properties

288 Supported Features• PERC H310 Adapter, PERC H310 Mini Monolithic, and PERC H310 Mini Blades ControllersThe features comprise the following:• Contr

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Supported Features 289Set Background Initialization Rate Yes Yes Yes Yes Yes Yes YesSet Check Consistency RateYes Yes Yes Yes Yes Yes YesSet Reconstru

Strany 212 - 212 Virtual Disks

Getting Started 29– Create Virtual Disk Express Wizard—This sub-section describes using the Express Wizard to create a virtual disk. Using the Express

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290 Supported FeaturesStop Patrol ReadYes Yes Yes Yes Yes Yes YesConvert RAID To Non-RA IDNA No NA NA No No YesConvert Non-RAID To RAIDNA No NA NA No

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Supported Features 291Manage Encryption KeyYes Yes Yes Yes Yes Yes NoManage CacheCadeYes Yes Yes No No Yes NoPersistent Hot SpareYes Yes Yes Yes Yes Y

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292 Supported FeaturesBattery TasksPhysical Disk Firmware Version ReportYes Yes Yes Yes Yes Yes YesTable A-11. Battery Tasks Supported on the PERC Har

Strany 216 - Pause Check Consistency

Supported Features 293Connector TasksPhysical Disk TasksTable A-12. Controller Tasks Supported by the PERC Hardware ControllersController Task NamePER

Strany 217 - Resume Check Consistency

294 Supported FeaturesCancel RebuildYes Yes Yes Yes Yes Yes YesRemove Dead Disk SegmentsNo No No No No No NoFormat Disk No No No No No No NoClear Yes

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Supported Features 295Virtual Disk TasksTable A-14. Virtual Disk Tasks Supported by the PERC Hardware ControllersVirtual Disk Task Name PERC H800PERC

Strany 219 - Virtual Disks 219

296 Supported FeaturesCancel Background Initialization (BGI)Yes Yes Yes Yes Yes YesFormat Virtual Disk No No No No No NoCancel Format Virtual DiskNo N

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Supported Features 297Virtual Disk SpecificationsTable A-15. Virtual Disk Specifications for the PERC Hardware ControllersVirtual Disk Specification P

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298 Supported FeaturesMaximum Physical Disks in a RAID 122 2 2 2 2 2Maximum Number of Physical Disks in a RAID 532 32 32 32 32 32 16Maximum Number of

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Supported Features 299Supported RAID LevelsMaximum number of physical disks in a RAID 632 32 32 32 32 32 NAMaximum number of physical disks in a RAID

Strany 223 - Virtual Disks 223

Contents 3Contents1Overview . . . . . . . . . . . . . . . . . . . . . . . . . 21What’s New in this Release? . . . . . . . . . . . . . . 21Before I

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30 Getting Started

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300 Supported FeaturesRead, Write, Cache and Disk Cache PolicyRAID 6 Yes Yes Yes Yes Yes Yes NoRAID 60 Yes Yes Yes Yes Yes Yes NoTable A-17. Read, Wr

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Supported Features 301Enclosure SupportSupported Features on the SAS 5/iR, SAS 6/iR, and PERC H200 Controllers This section identifies the controller-

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302 Supported Features• Controller Tasks• Battery Tasks• Connector Tasks• Physical Disk Tasks•Virtual Disk Tasks• Virtual Disk Specifications• Support

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Supported Features 303Battery Tasks Connector Tasks Import/Recover Foreign Configuration No Yes YesSet Patrol Read Mode No No NoStart Patrol Read No N

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304 Supported FeaturesPhysical Disk TasksTable A-22. Physical Disk Tasks Supported on the SAS 5/iR, SAS 6/iR, and H200 ControllersPhysical Disk Task N

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Supported Features 305Virtual Disk Tasks Table A-23. Virtual Disk Tasks Supported by the SAS 5/iR, SAS 6/iR, and H200 Controllers Virtual Disk Task Na

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306 Supported FeaturesSupported RAID LevelsVirtual Disk SpecificationsSlow Initialize Virtual Disk No No NoCancel Initialize Virtual Disk No No NoTabl

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Supported Features 307Maximum Number of Physical Disks that Can Be ConcatenatedNA NA NA Maximum Number of Physical Disks in a RAID 04 8 10 - Adapter10

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308 Supported FeaturesRead, Write, Cache and Disk Cache PolicyMinimum number of physical disks in a RAID 6NA NA NA Minimum number of physical disks in

Strany 234 - Slow and Fast Initialize

Supported Features 309Enclosure SupportTable A-27. Enclosure Support on the SAS 5/iR, SAS 6/iR, and H200 Controllers Enclosure Support SAS 5/IR SAS

Strany 235 - Virtual Disks 235

Understanding RAID Concepts 313Understanding RAID Concepts Storage Management uses Redundant Array of Independent Disks (RAID) technology to provide S

Strany 236 - Virtual Disk Task: Delete

310 Supported FeaturesSupported Features on the PERC S100, PERC S110, and S300 ControllersThis section identifies the controller-supported features an

Strany 237 - Virtual Disk Task: Rename

Supported Features 311Virtual Disk TasksVirtual Disk SpecificationsTable A-30. Virtual Disk Tasks Supported by the PERC S100, PERC S110, and S300 Cont

Strany 238 - To rename a virtual disk:

312 Supported FeaturesMaximum Virtual Disk SizeNone None NoneMaximum Number of Spans per Virtual Disk NA NA NAMaximum Number of Physical Disks per Spa

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Supported Features 313Supported RAID LevelsRead, Write, Cache and Disk Cache PolicyMinimum Number of Physical Disks in a RAID 5333Minimum Number of Ph

Strany 240 - To Unmirror:

314 Supported FeaturesEnclosure SupportSupported Features on the Non-RAID ControllersThis section identifies the controller-supported features and whe

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Supported Features 315• Virtual Disk Tasks• Enclosure SupportFor enclosure-supported tasks, see Enclosure and Backplane Features.Controller Tasks Tabl

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316 Supported FeaturesBattery Tasks Connector Tasks Physical Disk Tasks Table A-36. Battery Tasks Supported on the Non-RAID ControllersBattery Task Na

Strany 243 - Virtual Disks 243

Supported Features 317Virtual Disk Tasks Cancel Clear No NoTable A-39. Virtual Disk Tasks Supported by the Non-RAID ControllersVirtual Disk Task Name

Strany 244 - 244 Virtual Disks

318 Supported FeaturesEnclosure Support Enclosure and Backplane FeaturesThis section identifies the features supported by the enclosure or backplane.

Strany 245 - Required Conditions

Supported Features 319Enclosure and Backplane TasksMaximum Supported ConfigurationTable A-41. Enclosure Tasks for controllersEnclosure TasksMD1000 Sto

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32 Understanding RAID Conceptsthe RAID levels. For this reason, using software RAID by itself can slow system performance. You can, however, use softw

Strany 247 - Hot Spare

320 Supported Features

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Determining the Health Status for Storage Components321BDetermining the Health Status for Storage Components The tables in this appendix indicate how

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322 Determining the Health Status for Storage ComponentsHealth Status Rollup: Physical Disks in a Virtual Disk are Failed or Removed Health Status Rol

Strany 250

Determining the Health Status for Storage Components 323Health Status Rollup: All Physical Disks in a Virtual Disk are in Foreign State HealthRollup T

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324 Determining the Health Status for Storage ComponentsHealth Status Rollup: Some Physical Disks in a Virtual Disk are in Foreign State Health Status

Strany 252

Determining the Health Status for Storage Components 325Health Status Rollup: Virtual Disk is Failed Health RollupTable B-7. Health Status Rollup: Vir

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326 Determining the Health Status for Storage ComponentsHealth Status Rollup: Unsupported Firmware Version Health Status Rollup: Enclosure Power Suppl

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Determining the Health Status for Storage Components 327Health Status Rollup: One Enclosure Fan is Failed Health Status Rollup: One Enclosure EMM is F

Strany 255 - CacheCade Using Solid State

328 Determining the Health Status for Storage ComponentsHealth Status Rollup: One Enclosure Temperature Probe is Failed Health Status Rollup: Lost Bot

Strany 256

Determining the Health Status for Storage Components 329Health Status Rollup: One or More Physical Disks are Failed Health RollupNA NA NATable B-14. H

Strany 257 - Troubleshooting

Understanding RAID Concepts 33•Stripe element size—The amount of disk space consumed by a stripe element. For example, consider a stripe that contains

Strany 258 - Isolate Hardware Problems

330 Determining the Health Status for Storage ComponentsHealth Status Rollup: Physical Disk is Rebuilding Table B-15. Health Status Rollup: Physical D

Strany 259 - Replacing a Failed Disk

34 Understanding RAID Conceptsfault-tolerance is achieved by maintaining redundant data. Redundant data includes mirrors (duplicate data) and parity i

Strany 260

Understanding RAID Concepts 35• RAID Level 5 (Striping with distributed parity)• RAID Level 6 (Striping with additional distributed parity)• RAID Leve

Strany 261 - Virtual Disk Troubleshooting

36 Understanding RAID ConceptsFigure 3-1. Concatenating Disks• Concatenates n disks as one large virtual disk with a capacity of n disks.• Data fills

Strany 262 - A Rebuild Does Not Work

Understanding RAID Concepts 37Figure 3-2. Striping DisksRAID 0 Characteristics: • Groups n disks as one large virtual disk with a capacity of (smalles

Strany 263 - Cannot Create a Virtual Disk

38 Understanding RAID ConceptsRAID Level 1 (Mirroring) RAID 1 is the simplest form of maintaining redundant data. In RAID 1, data is mirrored or dupli

Strany 264 - Virtual Disk Errors on Linux

Understanding RAID Concepts 39Related Information: • Organizing Data Storage for Availability and Performance• Comparing RAID Level and Concatenation

Strany 265 - Troubleshooting 265

4 ContentsCommon Storage Tasks . . . . . . . . . . . . . . . . . 283 Understanding RAID Concepts . . . . . . . 31What Is RAID? . . . . . . . .

Strany 266 - “Medium” Error

40 Understanding RAID Concepts• When a disk fails, the virtual disk still works, but it is operating in a degraded state. The data is reconstructed fr

Strany 267 - Format, or Other Operation

Understanding RAID Concepts 41Figure 3-5. RAID 6 RAID 6 Characteristics: • Groups n disks as one large virtual disk with a capacity of (n-2) disks.• R

Strany 268

42 Understanding RAID Concepts• Number of Physical Disks per Virtual Disk• Maximum Number of Virtual Disks per ControllerRAID Level 50 (Striping over

Strany 269 - Troubleshooting 269

Understanding RAID Concepts 43Figure 3-6. RAID 50 RAID 50 Characteristics: • Groups n*s disks as one large virtual disk with a capacity of s*(n-1) dis

Strany 270 - PCIe SSD Troubleshooting

44 Understanding RAID ConceptsRelated Information: • Organizing Data Storage for Availability and Performance• Comparing RAID Level and Concatenation

Strany 271 - Troubleshooting 271

Understanding RAID Concepts 45Figure 3-7. RAID 60 RAID 60 Characteristics: • Groups n*s disks as one large virtual disk with a capacity of s*(n-2) dis

Strany 272 - 272 Troubleshooting

46 Understanding RAID Concepts• Two disks per span are required for parity. RAID 60 is more expensive in terms of disk space. Related Information: • O

Strany 273 - Frequently Asked Questions

Understanding RAID Concepts 47Figure 3-8. Striping Over Mirrored Disk GroupsRAID 10 Characteristics: • Groups n disks as one large virtual disk with a

Strany 274 - Which Controllers do I Have?

48 Understanding RAID Concepts• Comparing RAID Level and Concatenation Performance• Controller-supported RAID Levels• Number of Physical Disks per Vir

Strany 275 - How do I Turn off an Alarm?

Understanding RAID Concepts 49• Number of Physical Disks per Virtual Disk• Maximum Number of Virtual Disks per ControllerComparing RAID Level and Conc

Strany 276

Contents 5Storage Health . . . . . . . . . . . . . . . . . . . . . . 53Hot Spare Protection Policy. . . . . . . . . . . . . . . 54Select Report. .

Strany 277 - Supported Features

50 Understanding RAID ConceptsRAID 5 Good Sequential reads: good. Transa ct ional reads: Very good Fair, unless using write-back cacheFair N + 1(N = a

Strany 278 - 278 Supported Features

Understanding RAID Concepts 51No-RAIDIn Storage Management, a virtual disk of unknown metadata is considered a No- RAID volume. Storage Management doe

Strany 279

52 Understanding RAID Concepts

Strany 280 - Connector Tasks

Quick Access to Storage Status and Tasks 534Quick Access to Storage Status and Tasks This section describes various methods to determine the status or

Strany 281 - Physical Disk Tasks

54 Quick Access to Storage Status and Tasks• Click the virtual disk that is in degraded state to display the Physical Disk Properties page. NOTE: Th

Strany 282

Quick Access to Storage Status and Tasks 55Table 4-1. Component SeverityStorage Properties and Current Activity The Configuration/Information subtab d

Strany 283 - Virtual Disk Specifications

56 Quick Access to Storage Status and Tasks• Temperature Probe Properties and Tasks• Virtual Disk Properties and TasksAlerts or Events Storage activit

Strany 284 - 284 Supported Features

Quick Access to Storage Status and Tasks 57Using Enclosure Temperature ProbesPhysical disk enclosures have temperature probes that warn you when the e

Strany 285

58 Quick Access to Storage Status and TasksRelated Information: • Time Delay in Displaying Configuration ChangesTime Delay in Displaying Configuration

Strany 286 - Supported RAID Levels

PCI Express Solid-State Device Support 595PCI Express Solid-State Device SupportThis section gives an overview of the Storage Management (OMSM) device

Strany 287

6 ContentsExport Log . . . . . . . . . . . . . . . . . . . . . . 64PCIe SSD Sub System Health . . . . . . . . . . . . . . 64Backplanes . . . . . .

Strany 288 - Controller Tasks

60 PCI Express Solid-State Device SupportPCIe Sub System PropertiesThe PCIe SSD sub system comprises of the following components:•Backplane•Extender C

Strany 289

PCI Express Solid-State Device Support 61PCIe Extender CardsThe PCIe Extender Card is attached to the backplane of the system and provides PCIe connec

Strany 290 - 290 Supported Features

62 PCI Express Solid-State Device SupportPhysical Device TasksThe physical device tasks for PCIe SSD are as follows:•Blink and Unblink• Full Initializ

Strany 291

PCI Express Solid-State Device Support 63• Prepare to Remove•Export LogTo run a physical device task:1Expand the Storage tree object to display the st

Strany 292

64 PCI Express Solid-State Device Support CAUTION: The identify LED pattern (blink operation) is the same LED pattern as safe to remove. When you ini

Strany 293

Storage Information and Global Tasks 656Storage Information and Global Tasks Use this window to view high-level information about your system’s storag

Strany 294 - 294 Supported Features

66 Storage Information and Global TasksGlobal Tasks: • Global Rescan• Enable/Disable Smart Thermal Shutdown• Setting Hot Spare Protection PolicyGlobal

Strany 295

Storage Information and Global Tasks 67To enable or disable thermal shut down: 1Select the Storage tree view object. 2Click the Information/Configurat

Strany 296 - 296 Supported Features

68 Storage Information and Global TasksTable 6-2. Controller PropertiesProperty Definition Status This property displays the controller status. ID T

Strany 297

Storage Information and Global Tasks 69Minimum Required Firmware Version This property displays the minimum firmware version that is required by Stora

Strany 298 - 298 Supported Features

Contents 7Disk Cache Policy. . . . . . . . . . . . . . . . . . 78Background Initialization on PERC Controllers. . . . . 78Non-RAID Controller Desc

Strany 299

70 Storage Information and Global TasksStorage Components For information on attached controllers, see the following topics: • Controller Properties a

Strany 300 - 300 Supported Features

Controllers 717Controllers This section describes the controllers supported by Storage Management as well as the different controller features.What is

Strany 301 - Enclosure Support

72 ControllersRAID Controller Technology: SCSI, SATA, ATA, and SAS Storage Management supports RAID controllers using SCSI, SATA, ATA, and SAS technol

Strany 302

Controllers 73The following describes some of the RAID controller features and provides links to a more detailed explanation. For information on which

Strany 303

74 ControllersController-supported RAID LevelsRAID controllers support different RAID levels. For information on which RAID levels a controller suppor

Strany 304

Controllers 75•Read Cache Enabled—When the read cache is enabled, the controller reads the cache information to see if the requested data is available

Strany 305

76 ControllersWrite Policy Does my controller support this feature? See Supported FeaturesThe write policies specify whether the controller sends a wr

Strany 306

Controllers 77•Write-Through—When using write-through caching, the controller sends a write-request completion signal only after the data is written t

Strany 307

78 Controllers•Direct I/O—Specifies that reads are not buffered in cache memory. When using direct I/O, data is transferred to the controller cache an

Strany 308 - 308 Supported Features

Controllers 79The background initialization process helps the controller identify and correct problems that may occur with the redundant data at a lat

Strany 309

8 ContentsSet Reconstruct Rate. . . . . . . . . . . . . . . . . . 111Redundant Path Configuration. . . . . . . . . . . . . 112Clearing the Redunda

Strany 310

80 ControllersFirmware/Driver Properties The firmware and driver properties can vary depending on the model of the controller. On some controllers, St

Strany 311

Controllers 81Table 7-1. Firmware and Driver PropertiesProperty Definition Firmware Version This property displays the version of the firmware that i

Strany 312 - 312 Supported Features

82 ControllersController HealthThis screen displays the status of the controller and the components attached to the controller. Controller Severity Co

Strany 313

Controllers 83Table 7-2. Component Severity Controller Information For information on the controller, see the following topics: • Controllers• Control

Strany 314

84 ControllersController Properties and Tasks Use this window to view information about the controller and execute controller tasks. Controller Proper

Strany 315

Controllers 85Firmware Version This property displays the version of the firmware that is currently installed on the controller. NOTE: On some contro

Strany 316

86 Controllers Rebuild Rate The rebuild rate is the percentage of the system’s resources dedicated to rebuilding a failed disk when a rebuild is nece

Strany 317

Controllers 87Auto replace member on predictive failureIn case of predictive failure, this property enables the automatic copying of data from a physi

Strany 318

88 ControllersPatrol Read State This property displays the current state of the Patrol Read process. Possible values are: Ready—The Patrol Read proces

Strany 319 - Enclosure and Backplane Tasks

Controllers 89Controller TasksTo execute a controller task: 1Expand the Storage tree object to display the controller objects. 2Select a controller ob

Strany 320 - 320 Supported Features

Contents 9Physical Disk Firmware Version Report. . . . . . . . . 1328 Enclosures and Backplanes . . . . . . . . . 135Backplanes . . . . . . . . .

Strany 321 - Storage Components

90 Controllers• Set Background Initialization Rate• Set Check Consistency Rate• Set Reconstruct Rate•Set Patrol Read Mode• Start and Stop Patrol Read•

Strany 322 - Disk are Failed or Removed

Controllers 91On SCSI controllers, a rescan updates configuration changes (such as new or removed devices) for all components attached to the controll

Strany 323

92 ControllersQuiet Alarm (Controller) Does my controller support this feature? See Supported Features.Use the Quiet Alarm task to quiet the controlle

Strany 324

Controllers 93The Foreign Configuration Operations task provides a preview of the foreign configurations that you can import. This task is available o

Strany 325

94 ControllersSet Rebuild Rate Does my controller support this feature? See Supported Features.The Set Rebuild Rate task changes the controller’s rebu

Strany 326 - Version

Controllers 955Click Execute. You can also locate this task from the Change Controller Properties drop down menu. For more information, see Change Con

Strany 327

96 ControllersTo locate this task in Storage Management: 1Expand the Storage tree object to display the controller objects.2Select a controller object

Strany 328 - Connections to the Enclosure

Controllers 975Click Execute.You can also locate this task from the Change Controller Properties drop down menu. For more information, see Change Cont

Strany 329

98 ControllersForeign Configuration PropertiesThe following table describes the properties that are displayed for the Foreign Disks and Global Hot Spa

Strany 330

Controllers 99State This property displays the current state of the foreign configuration. Ready—The foreign disk can be imported and functions norma

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