Dell OpenManage Server Administrator Version 7.0 Uživatelský manuál Strana 1

Dell OpenManage Server AdministratorStorage ManagementUser’s Guide

10 ContentsEnclosure and Backplane Components . . . . . 151Enclosure and Backplane Properties and Tasks . . . 151Enclosure and Backplane Properti

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

Controllers 101Controller Tasks To execute a controller task: 1Expand the Storage tree object to display the controller objects. 2Select a controller

102 Controllers• Disable Alarm (Controller)• Quiet Alarm (Controller)• Test Alarm (Controller)•Set Rebuild Rate• Reset Configuration•Export Log• Forei

Controllers 103Available Reports• Patrol Read Report• Check Consistency Report•Slot Occupancy ReportRescan Controller Does my controller support this

104 ControllersEnable Alarm (Controller) Does my controller support this feature? See Supported Features.Use the Enable Alarm task to enable the contr

Controllers 105Controller Components For information on attached components, see the following topics:• Battery Properties and Tasks• Connector Proper

106 Controllersmost time to complete, and is the setting with the least impact to system performance. A rebuild rate of 0% does not mean that the rebu

Controllers 107Reset Configuration Does my controller support this feature? See Supported Features.Use the Reset Configuration task to erase all infor

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

Controllers 1095Click Execute.You can also locate this task from the Change Controller Properties drop down menu. For more information, see Change Con

Contents 11Connector Properties and Tasks . . . . . . . . . . . . 175Connector Properties. . . . . . . . . . . . . . . . 175Connector Tasks: Rescan

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

Controllers 111State This property displays the current state of the foreign configuration. Ready—The foreign disk can be imported and functions norm

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

Controllers 113Importing Foreign Configurations Some controllers enable you to import a foreign configuration so that virtual disks are not lost after

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

Controllers 115Clear Foreign Configuration Does my controller support this feature? See Supported Features.After moving a physical disk from one contr

116 Controllers3Select the Information/Configuration subtab. 4Select Clear Foreign Configuration from the Controller tasks.Physical Disks in Foreign V

Controllers 117The following table describes properties for physical disks in the foreign configuration. Table 7-5. Physical Disk PropertiesProperty D

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

Controllers 119Bus Protocol This property displays the technology that the physical disk is using. Possible values are: SCSI—Small Computer System Int

12 ContentsPhysical Disk or Physical Device Tasks. . . . . . 199Blink and Unblink (Physical Disk). . . . . . . . . . . 200Remove Dead Segments. .

120 ControllersVendor ID This property displays the disk’s hardware vendor. Product ID This property displays the disk’s product ID.Revision This prop

Controllers 121Set Background Initialization Rate Does my controller support this feature? See Supported Features.The Set Background Initialization Ra

122 Controllers3Select the Information/Configuration subtab. 4Select Set Background Initialization Rate from the Available Tasks drop-down menu. 5Clic

Controllers 1234Select Set Check Consistency Rate from the Available Tasks drop-down menu. 5Click Execute.You can also locate this task from the Chang

124 Controllers2Select a controller object. 3Select the Information/Configuration subtab. 4Select Set Reconstruct Rate from the Available Tasks drop-d

Controllers 125Figure 7-1. Daisy Chain ConfigurationIf the communication channel between the connector and the first enclosure is lost, the redundant

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

Controllers 127Clearing the Redundant Path ViewConsider a case where you reboot your system and Storage Management, displays the Logical Connector wit

128 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

Controllers 129To locate this task in Storage Management: 1Expand the Storage tree object to display the controller objects. 2Select a controller obje

Contents 13Number of Physical Disks per Virtual Disk . . . . . 216Maximum Number of Virtual Disks per Controller . . . . . . . . . . . . . . . . . .

130 ControllersRelated Information: •Set Patrol Read ModeChange Controller PropertiesDoes my controller support this feature? See Supported Features.T

Controllers 1312Select a controller object.3Select the Information/Configuration subtab.4Select Change Controller Properties... from the Controller Ta

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

Controllers 133Table 7-8. Manage Physical Disk Power PropertiesTo manage physical disk power on unconfigured drives and hot spares:1Select Enabled for

134 Controllers2You can now edit the remaining parameters on the Manage Physical Disk Power screen. You can also configure the options in the QOS sect

Controllers 135Data in the cache may also be lost in case of unintended cable or power failure. In the event of such a failure, Storage Management pre

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

Controllers 137If you are using Local Key Management (LKM) you must create the Encryption Key by providing the Encryption Key Identifier and the Passp

138 Controllers4If you want to save the Encryption Key credentials in a file on the system where Distributed Web Server is running, select the Escrow

Controllers 139Encryption Key credentials for a controller, providing the path of the file updates credentials for that controller. If the credentials

14 ContentsVirtual Disk Task: Reconfigure (Step 1 of 3) . . . . . . 249Virtual Disk Task: Reconfigure (Step 2 of 3). . . . . . 251Virtual Disk Tas

140 Controllers3Enter a name for the CacheCade. The size is calculated as follows:CacheCade size = capacity of the smallest SSD * the number of SSDs4F

Controllers 141To unblink the physical disk in the CacheCade(s) screen, go to the CacheCade Disk that you want to unblink and select Unblink... from t

142 ControllersConvert to Non-RAID DisksOn Dell PERC H310 adapters, drop-down the controller tasks drop-down menu and select the task Convert to Non-R

Controllers 143Convert to RAID Capable DisksOn Dell PERC H310 adapters, drop-down the controller tasks drop-down menu and select the task Convert to R

144 ControllersSlot Occupancy ReportDoes my controller support this feature? See Supported Features.The View Slot Occupancy Report task allows you to

Enclosures and Backplanes 1458Enclosures and Backplanes Physical disks can be contained in an enclosure or attached to the system’s backplane. An encl

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

Enclosures and Backplanes 147The Failure threshold has a default value that cannot be changed. You can set the Warning threshold, however. For informa

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

Enclosures and Backplanes 149Changing the Mode on PowerVault 220S and PowerVault 221S Enclosures When toggling the bus configuration switch on a Power

Contents 1514 Protecting Your Virtual Disk with a Hot Spare . . . . . . . . . . . . . . . . . . . . . . . 269Understanding Hot Spares. . . . . . . .

150 Enclosures and Backplanes• If you have already removed the wrong physical disk, see Recovering from Removing the Wrong Physical Disk. • Identifyin

Enclosures and Backplanes 151Table 8-1. Component SeverityEnclosure and Backplane Information For information on enclosures and backplanes, see the fo

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

Enclosures and Backplanes 153Configuration This property displays the mode in which the enclosure is operating. Possible values are: Joined—Indicates

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

Enclosures and Backplanes 155Drop-down Menu Enclosure Tasks:• Enable Alarm (Enclosure)• Disable Alarm (Enclosure)• Set Asset Data•Blink• Set Temperatu

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

Enclosures and Backplanes 157View Slot Occupancy Report Does my controller support this feature? See Supported Features.The View Occupancy Slot Report

158 Enclosures and BackplanesFor information related to the enclosure’s temperature, see the following: • Enclosure Temperature Probes• Set Temperatur

Enclosures and Backplanes 159Set Asset DataDoes my enclosure support this feature? See Supported Features.You can change the enclosure’s asset tag and

16 ContentsBIOS Terms and the CERC SATA1.5/6ch and CERC SATA1.5/2s Controllers. . . . . . . . . . . . . . . . . 27917 Troubleshooting . . . . . . .

160 Enclosures and BackplanesThe Failure threshold indicates that the enclosure has reached a dangerous temperature that may cause damage and data los

Enclosures and Backplanes 161View Slot Occupancy ReportDoes my controller support this feature? See Supported Features.The View Occupancy Slot Report

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

Enclosures and Backplanes 163Fan PropertiesUse this window to view information about the enclosure’s fans. The fans are a component of the enclosure’s

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

Enclosures and Backplanes 165Power Supply Properties Use this window to view information about the enclosure’s power supplies. Table 8-5. Power Supply

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

Enclosures and Backplanes 167Temperature Probe Properties and TasksDoes my enclosure support this feature? See Supported Features.Use this window to v

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

Enclosures and Backplanes 169Set Temperature Probe Properties and Tasks Click the Set Temperature Probe button to launch the wizard for changing the t

Contents 17A Disk on a PERC 4/Di Controller Does not Return Online after a Prepare to Remove . . . . . 292Receive a “Bad Block” Alert with “Replaceme

170 Enclosures and Backplanes

Connectors 1719Connectors A controller contains one or more connectors (channels or ports) to which you can attach disks. A connector is externally ac

172 ConnectorsChannel Redundancy on PERC 4/DC, 4e/DC, 4/Di, and 4e/Di Controllers The following considerations apply when creating a channel-redundant

Connectors 173Recommended RAID Levels: –PERC 4/DC, 4e/DC, 4/Di, and 4e/Di Controllers—It is recommended that you only use RAID 10 or RAID 50. 3Complet

174 ConnectorsbSelect an additional disk on each of the three channels. You have now selected the minimum number of disks for a RAID 50. Continue sele

Connectors 175Table 9-1. Component SeverityConnector Information For information on the connector, see the following topics: • Connectors• Connector P

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

Connectors 177Connector Tasks: Rescan Connector Does my controller support this feature? See Supported Features.On a SCSI controller, this task rescan

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

Connectors 179Selecting this option clears the redundant path view and the connectors are represented on the user interface as Connector 0 and Connect

18 ContentsHow do I Recover from Removing the Wrong Physical Disk? . . . . . . . . . . . . . . . . . . . . . . . . . . 300How do I Identify the Firm

180 Connectors

RAID Controller Batteries 18110RAID Controller Batteries Some RAID controllers have batteries. If the controller has a battery, Storage Management dis

182 RAID Controller BatteriesAll RAID controller batteries should be replaced every three years. You must also monitor the Recharge Count and Max Rech

RAID Controller Batteries 183Table 10-1. Battery PropertiesProperty Definition Status These icons represent the severity or health of the storage com

184 RAID Controller BatteriesPredicted Capacity StatusThis property displays the charge capacity of the battery. Possible values are: Ready—The batter

RAID Controller Batteries 185Battery Tasks To execute a drop-down menu battery task: 1Expand the Storage tree object to display the controller objects

186 RAID Controller BatteriesThe controller battery should be reconditioned when either of the following occurs: • The controller reports the battery

RAID Controller Batteries 187The battery learn cycle discharges and then fully charges the controller battery. The Learn cycle recalibrates the batter

188 RAID Controller BatteriesTo delay the battery learn cycle: 1Type a numerical value in the Days text box. The value must be within the 0 – 7 range.

Physical Disks or Physical Devices 18911Physical Disks or Physical DevicesPhysical disks or physical devices reside within an enclosure or are attache

Contents 19Supported Features on the PERC 5/ PERC 6/, and CERC 6/I Controllers. . . . . . . . . . . . . . . . . . . 322Controller Tasks. . . . . . .

190 Physical Disks or Physical Devices NOTE: With the exception of combining SAS,SATA,SCSI, and SSD drives, Dell supports upgrades and not downgrades

Physical Disks or Physical Devices 191• If you want to include the new disk in a virtual disk, see Virtual Disk Considerations for Controllers or Virt

192 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

Physical Disks or Physical Devices 193Physical Disk or Physical Device Properties The following table describes properties that may be displayed for p

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

Physical Disks or Physical Devices 195Rebuilding—Data from a redundant virtual disk is currently being rebuilt onto the physical disk or device. Incom

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

Physical Disks or Physical Devices 197Failure Predicted This property displays whether or not the physical disk or device has received a SMART alert a

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

Physical Disks or Physical Devices 199Physical Disk or Physical Device Tasks To execute a physical disk or physical device task: 1Expand the Storage t

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

20 ContentsSupported Features on the PERC S100, PERC S110, and S300 Controllers. . . . . . . . . . . . . . . . . . 353Controller Tasks. . . . . . .

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

Physical Disks or Physical Devices 201into a server or an enclosure. If the physical disk is not contained in a carrier but is instead designed to be

202 Physical Disks or Physical DevicesA physical disk or physical device is no longer in Ready state after doing a Prepare to Remove. Removing the phy

Physical Disks or Physical Devices 203Rebuilding a disk may take several hours.Cancel Rebuild Does my controller support this feature? See Supported F

204 Physical Disks or Physical DevicesGlobal hot spares must be assigned and unassigned manually. They are not assigned to specific virtual disks. If

Physical Disks or Physical Devices 205Use the Offline task to deactivate a disk before removing it. Use the Online task to reactivate an offline disk.

206 Physical Disks or Physical Devices NOTE: A physical disk may display the Clear state if it is a member of a virtual disk that is being slow initi

Physical Disks or Physical Devices 207If Revertible Hot Spare is enabled and the physical disk is SMART-enabled, the controller firmware automatically

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

Physical Disks or Physical Devices 209Convert to RAID Capable DiskThis task enables a disk for all RAID operations. This task is supported on H310 con

Contents 21Health Status Rollup: Physical Disks in a Virtual Disk are Unsupported, Partially or Permanently Degraded. . . . . . . . . . . . . . . . .

210 Physical Disks or Physical Devices

Virtual Disks 21112Virtual DisksIn order to implement RAID functions, RAID controllers must create a virtual disk. A virtual disk refers to storage cr

212 Virtual Disks• Understanding Hot Spares• Controller-supported Stripe Sizes• Rescan to Update Storage Configuration Changes• Time Delay in Displayi

Virtual Disks 213virtual disks can result in pockets of free space residing in various locations on the physical disks. When you create a new virtual

214 Virtual Disks•Implementing channel redundancy—A virtual disk is channel-redundant when it maintains redundant data on more than one channel. If on

Virtual Disks 215For related information, see Considerations for CERC SATA1.5/6ch and CERC SATA1.5/2s Controllers When Physical Disks are Shared by Re

216 Virtual DisksThe support provided by your operating system depends on the version of the operating system and any updates or modifications that yo

Virtual Disks 217Calculation for Maximum Virtual Disk Size and the Create Virtual Disk Express Wizard The Create Virtual Disk Express Wizard displays

218 Virtual DisksCreating Virtual Disks Does my controller support this feature? See Supported Features.In order to implement RAID functions, you need

Virtual Disks 219To reconfigure a virtual disk: 1Review the information in Starting and Target RAID Levels for Virtual Disk Reconfiguration and Capaci

22 Contents

220 Virtual DisksPERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, PERC 4e/Di, PERC 5/E, and PERC 5/iRAID 0 RAID 5 Add at least one additional disk PERC 4/SC, PE

Virtual Disks 221PERC 6/E, PERC 6/I, CERC 6/I, PERC H800 Adapter, PERC H700 Adapter, PERC H700 Integrated, and PERC H700 Modular, PERC H310 Adapter, P

222 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

Virtual Disks 223Exceptions for Reconfiguring a Concatenated Virtual Disk on CERC SATA1.5/6ch and CERC SATA1.5/2s Controllers You can create a concate

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

Virtual Disks 225The following table describes some of the possible scenarios that may/may not result in virtual disk bad blocks:Table 12-2. Sample Sc

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

Virtual Disks 227Virtual Disk Properties and Tasks Use this window to view information about the virtual disks and execute virtual disk tasks. Virtual

228 Virtual DisksState This property displays the current status of the virtual disk. Possible values are: Ready—The virtual disk is functioning norm

Virtual Disks 229Background Initialization—A background initialization is being performed on the virtual disk. Formatting—The virtual disk is being fo

Overview 231OverviewDell OpenManage Server Administrator Storage Management provides enhanced features for configuring a system's locally-attache

230 Virtual DisksVirtual Disk Tasks To execute a virtual disk drop-down menu task: Bus Protocol This property displays the technology that the physica

Virtual Disks 2311Expand the Storage tree object to display the controller objects. 2Expand a controller object. 3Select the Virtual Disks object. 4Se

232 Virtual Disks• Encrypt Virtual DiskReconfigure Does my controller support this feature? See Supported Features.Use the Reconfigure task to change

Virtual Disks 233however, cancel the background initialization. When you do so, the controller restarts the background initialization at a later time.

234 Virtual DisksCheck Consistency Does my controller support this feature? See Supported Features.Use the Check Consistency task to verify the accura

Virtual Disks 235in Resynching state causes the virtual disk to be in a Failed Redundancy state. For more information, see Considerations for Concaten

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

Virtual Disks 237• have Self Encryption Drives (SEDs) virtual disksCreate Virtual Disk Express Wizard (Step 1 of 2) Does my controller support this fe

238 Virtual Disks– Select RAID 5 for striping with distributed parity. This selection groups n disks together as one large virtual disk with a total c

Virtual Disks 239 NOTE: The CERC SATA1.5/2s controller does not allow you to specify a name for concatenated virtual disks. The concatenated virtual

24 Overviewbackplanes. The backplane can be identified by the bay ID which is displayed on the screen. This ID is also displayed on the bezel of the s

240 Virtual DisksIf you need to change a selection, click Go Back To Previous Page to return to Create Virtual Disk Express Wizard (Step 1 of 2). NO

Virtual Disks 241Create Virtual Disk Advanced Wizard (Step 1 of 4) Does my controller support this feature? See Supported Features.The Create Virtual

242 Virtual DisksThis feature provides better data redundancy and read performance, but slower write performance. Your system must have at least three

Virtual Disks 243The algorithm determines the candidate mirror in the following order:• Across connectors at the same level of enclosure and of same s

244 Virtual Disks3Click Continue to go to the next screen or Exit Wizard if you want to cancel. To locate this task in Storage Management: 1Expand the

Virtual Disks 245Connector 0The Connector section of the screen displays the controller's connectors and the disks attached to each connector. Se

246 Virtual Disks NOTE: This option is available only if you did not select Intelligent Mirroring on the Create Virtual Disk (Step 1 of 4) page. NOTE

Virtual Disks 247the controller. In most cases, the maximum length is 15 characters. The name cannot start with a space or end with a space. It is rec

248 Virtual DisksCreate Virtual Disk Advanced Wizard (Step 4 of 4) Does my controller support this feature? See Supported Features.This screen display

Virtual Disks 249This option is available only if the controller is a SAS controller with firmware 6.1 and later and you selected RAID 10. NOTE: If y

Overview 25Version Requirements for Controller Firmware and Drivers In order for Storage Management to function properly, the controllers must have th

250 Virtual DisksBefore continuing with the virtual disk reconfiguration, you should be familiar with the information in Starting and Target RAID Leve

Virtual Disks 251Monolithic, PERC H800, and PERC H810 Adapter controllers, if the disk group has free space available, you can expand the virtual disk

252 Virtual Disks– Select RAID 0 for striping—This selection groups n disks together as one large virtual disk with a total capacity of n disks. Data

Virtual Disks 253 NOTE: The PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, and 4e/Di controllers do not allow you to change or reconfigure the virtual disk siz

254 Virtual DisksConsiderations for Concatenated to RAID 1 Reconfiguration on CERC SATA1.5/6ch Controllers When reconfiguring a concatenated virtual d

Virtual Disks 255Considerations for Initialize The initialize task applies to the PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, and 4e/Di controllers. These co

256 Virtual DisksIn comparison with the Fast Initialize task, you may want to use the Slow Initialize task if you have had trouble with a physical dis

Virtual Disks 257– Slow Initialize– Fast Initialize5Click Execute. Virtual Disk Task: Delete Does my controller support this feature? See Supported Fe

258 Virtual Disks3Select the Virtual Disks object. 4Select Delete from the Available Tasks drop-down menu. 5Click Execute. Virtual Disk Task: Rename D

Virtual Disks 2593Select the Virtual Disks object. 4Select Rename from the Available Tasks drop-down menu. 5Click Execute. Virtual Disk Task: Change P

26 Overview• PERC 6/I Integrated and PERC 6/I Adapter•PERC 6/I Modular•CERC 6/I controller • SAS 6/iR controller • PERC S100, PERC S110, and S300• PER

260 Virtual Disks NOTE: On the CERC SATA1.5/6ch controllers, doing a Split Mirror on a RAID 1-concatenated virtual disk results in concatenated virtu

Virtual Disks 261Unmirror Does my controller support this feature? See Supported Features.Use the Unmirror task to separate mirrored data and restore

262 Virtual Disks• Time Delay in Displaying Configuration ChangesAssign and Unassign Dedicated Hot Spare Does my controller support this feature? See

Virtual Disks 263To locate this task in Storage Management: 1Expand the Storage tree object to display the controller objects. 2Expand a controller ob

264 Virtual Disks3Click Apply Changes. To exit without replacing the member disk, click Go Back To Virtual Disk Page. NOTE: For PERC H310, H700, H710

Moving Physical and Virtual Disks from One System to 13Moving Physical and Virtual Disks from One System to Another This section describes how to move

266 Moving Physical and Virtual Disks from One System to Another• A virtual disk cannot be migrated between the CERC SATA1.5/6ch and CERC SATA1.5/2s c

Moving Physical and Virtual Disks from One System to Another 267• Saving the New Controller ConfigurationMoving the Disks 1Turn off the system that th

268 Moving Physical and Virtual Disks from One System to Another5This reads the data on the physical disks to restore the RAID controller’s proprietar

Protecting Your Virtual Disk with a Hot Spare 26914Protecting Your Virtual Disk with a Hot SpareWhen you create a redundant virtual disk using a RAID

Overview 27• PowerVault MD1000 and MD1120 storage system• PowerVault MD1200 and MD1220 storage systemSupport for Disk and Volume ManagementStorage Man

270 Protecting Your Virtual Disk with a Hot SpareSetting Hot Spare Protection PolicyThe Hot Spare Protection Policy is supported only on Serial Attach

Protecting Your Virtual Disk with a Hot Spare 271Global Hot Spare Protection PolicyTable 14-2. Global Hot Spare Properties NOTE: When assigning a glo

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

Protecting Your Virtual Disk with a Hot Spare 273A dedicated hot spare can only be assigned to the set of virtual disks that share the same physical d

274 Protecting Your Virtual Disk with a Hot Spare NOTE: For H700 and H800 controllers, you can assign a dedicated hot spare to RAID 10, RAID 50, and

Protecting Your Virtual Disk with a Hot Spare 275 NOTE: When using the BIOS on a CERC SATA1.5/6ch controller, it may be possible to create a hot spar

276 Protecting Your Virtual Disk with a Hot SpareGlobal Hot Spare Considerations on a SAS 6/iR The SAS 6/iR controller enables you to assign two globa

CacheCade Using Solid State Drives 27715CacheCade Using Solid State DrivesCacheCade is used to improve random read performance of the Hard Disk Drive

278 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

BIOS Terminology 27916BIOS Terminology The terminology used by Storage Management can be different from the terminology used in the controller BIOS. T

28 Overview

280 BIOS TerminologyConcatenation of RAID 1 VolumeRAID 0 RAID-0 (Stripe)RAID 1 RAID-1 (Mirror)Diagnostics VerifyTable 16-2. Naming convention differen

Troubleshooting 28117Troubleshooting This section contains troubleshooting procedures for common situations as well as for specific problems. Common T

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

Troubleshooting 283Replacing a Failed Disk You may need to replace a failed disk in the following situations: • Replacing a Failed Disk that is Part o

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

Troubleshooting 285After retrieving any viable data from the disk, replace the failed disk as described previously in Replacing a Failed Disk that is

286 Troubleshooting• Rebuild for PERC 4/SC, 4/DC, 4e/DC, 4/Di, PERC 5/E and PERC 5/i controllers You can avoid removing the wrong physical disk by bli

Troubleshooting 287•The virtual disk is non-redundant—For example, a RAID 0 virtual disk cannot be rebuilt because RAID 0 does not provide data redund

288 Troubleshooting•The virtual disk includes failed or corrupt physical disks—This situation may generate alert 2083. For information on Alert Messag

Troubleshooting 2893Restore the virtual disk from the tape onto healthy physical disks. Cannot Create a Virtual Disk You might be attempting a RAID co

Getting Started 292Getting Started Dell OpenManage Server Administrator Storage Management is designed for system administrators who implement hardwar

290 Troubleshooting2Delete the virtual disk.3Create one or more virtual disks that are smaller than 1TB.4Restore your data from backup. Irrespective o

Troubleshooting 291Resolution: Perform a Rescan Controller. When the rescan is complete, select each physical disk that is Offline and perform a Remov

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

Troubleshooting 293Receive a “Bad Block” Alert with “Replacement,” “Sense,” or “Medium” Error The following alerts or events are generated when a port

294 TroubleshootingAlerts 2146 through 2150 Received while Performing I/O, Consistency Check, Format, or Other OperationIf you receive alerts 2146 thr

Troubleshooting 295A Corrupt Disk or Drive Message Suggests Running autocheck During a Reboot Let autocheck run, but do not worry about the message. T

296 TroubleshootingCannot Connect to Remote System Running Windows Server 2003When connecting to a remote system running Windows Server 2003, log into

Troubleshooting 297PCIe SSD TroubleshootingPeripheral Component Interconnect Express (PCIe) Solid-State Drive (SSD) is not seen in the operating syste

298 Troubleshooting

Frequently Asked Questions 29918Frequently Asked Questions This section provides frequently asked questions that address situations commonly experienc

Contents 3Contents1Overview . . . . . . . . . . . . . . . . . . . . . . . . . 23What’s New in this Release? . . . . . . . . . . . . . . 23Before I

30 Getting StartedLaunching Storage Management Storage Management is installed as a Dell OpenManage Server Administrator service. All Storage Manageme

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

Frequently Asked Questions 3013To display more information about a particular controller including its tasks, click the controller’s name in the Name

302 Frequently Asked Questions

Supported Features 303ASupported Features Different controllers support different features. The tasks displayed by the Storage Management menus and ot

304 Supported FeaturesDisable Alarm Yes Yes No No No Yes No Quiet Alarm Yes YesNoNoNoYes No Test Alarm No NoNoNoNoNo NoReset configurationYes Yes Yes

Supported Features 305Battery Tasks Connector Tasks Set Patrol Read ModeNOTE: For PERC 4 controllers, (Manual mode is not available).Yes Yes Yes Yes Y

306 Supported FeaturesPhysical Disk Tasks Table A-4. Physical Disk Tasks Supported by the PERC 4/ ControllersPhysical Disk Task Name PERC 4/SCPERC 4/D

Supported Features 307Virtual Disk Tasks Table A-5. Virtual Disk Tasks Supported by the PERC 4/ ControllersVirtual Disk Task Name PERC 4/SCPERC 4/DCPE

308 Supported FeaturesResume Check ConsistencyNo No No No No No NoCancel Background Initialization (BGI)YesYesYesYesYesYesNoFormat Virtual DiskNo No N

Supported Features 309Virtual Disk Specifications Table A-6. Virtual Disk Specifications for the PERC 4/ ControllersVirtual Disk Specification PERC 4/

Getting Started 31Administrator privileges are required to access all Storage Management features. Administrator privilege allows you to execute the d

310 Supported FeaturesMaximum Number of Physical Disks that Can Be Concatenated888888NAMaximum Number of Physical Disks in a RAID 032 32 32 32 32 32 N

Supported Features 311Minimum Number of Physical Disks that Can Be Concatenated 2 2 2222 NAMinimum Number of Physical Disks in a RAID 0 1 1 1111 NAMin

312 Supported FeaturesSupported RAID Levels Maximum number of physical disks in a RAID 6NA NA NA NA NA NA NAMaximum number of physical disks in a RAID

Supported Features 313Read, Write, and Disk Cache Policy Table A-8. Read, Write and Disk Cache Policy Supported by the PERC 4/ ControllersRead, Write,

314 Supported FeaturesEnclosure Support Supported Features on the CERC SATA Controllers This section identifies the controller-supported features and

Supported Features 315Controller Tasks Table A-10. Controller Tasks Supported by the CERC SATA ControllersController Task Name CERC SATA 1.5/2sCERC S

316 Supported FeaturesBattery Tasks Connector Tasks Physical Disk Tasks Table A-11. Battery Tasks Supported by the CERC SATA ControllersBattery Task N

Supported Features 317Virtual Disk Tasks Format Disk No NoClear No NoCancel Clear No NoTable A-14. Virtual Disk Tasks Supported by the CERC SATA Contr

318 Supported FeaturesVirtual Disk Specifications Resume Check ConsistencyNo YesCancel Background Initialization (BGI)No NoFormat Virtual Disk No YesC

Supported Features 319Maximum Number of Physical Disks per Span 22Minimum Stripe Size 16k 8kMaximum Stripe Size 64k 64kMaximum Number of Virtual Disks

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

320 Supported FeaturesSupported RAID Levels Minimum Number of Physical Disks in a RAID 10NA 4Minimum Number of Physical Disks in a RAID 50NA NAMaximum

Supported Features 321Read, Write, and Disk Cache Policy Enclosure Support Table A-17. Read, Write, and Cache Policy Supported by the CERC SATA Contro

322 Supported FeaturesSupported Features on the PERC 5/ PERC 6/, and CERC 6/I ControllersThis section identifies the controller-supported features and

Supported Features 323Set Check Consistency RateYes Yes Yes Yes Yes YesSet Reconstruct RateYes Yes Yes Yes Yes YesRescan Controller No No No No No No

324 Supported FeaturesHot-plug of Enclosures No No Yes with firmware 6.1 and laterNo No NoChange Controller Properties No No Yes with firmware 6.1 and

Supported Features 325Battery Tasks Connector Tasks Physical Disk Tasks Table A-20. Battery Tasks Supported on the PERC 5/E, PERC 6/, and CERC 6/I Con

326 Supported FeaturesVirtual Disk Tasks Cancel Rebuild Yes Yes Yes Yes Yes YesRemove Dead Disk SegmentsNo No No No No NoFormat Disk No No No No No No

Supported Features 327Unmirror No No No No No NoDelete Last Virtual DiskYesYesYesYesYesYesDelete (any) Virtual Disk YesYesYesYesYesYesCheck Consistenc

328 Supported FeaturesVirtual Disk Specifications Table A-24. Virtual Disk Specifications for the PERC 5/, PERC 6/, and CERC 6/I ControllersVirtual Di

Supported Features 329Maximum Number of Physical Disks in a RAID 1016 16 256 with firmware version 6.116 16 16Maximum Number of Physical Disks in a RA

Getting Started 33Common Storage TasksThis section provides links to information describing commonly performed storage tasks. • Create and configure v

330 Supported FeaturesSupported RAID Levels Read, Write, Cache and Disk Cache PolicyMinimum number of physical disks in a RAID 6NA NA 4 4 4 4Minimum n

Supported Features 331Enclosure Support Read Policy YesYesYesYesYesYesRead Ahead (Enabled) Yes Yes Yes Yes Yes YesAdaptive Read Ahead Yes Yes Yes Yes

332 Supported FeaturesSupported Features on the PERC Hardware ControllersThis section identifies the controller-supported features and whether or not

Supported Features 333Controller TasksTable A-28. Controller Tasks Supported on the PERC Hardware ControllersController Task NamePERC H800PERC H810 Ad

334 Supported FeaturesClear Foreign Configuration Yes Yes Yes Yes Yes Yes YesImport Foreign ConfigurationYes Yes Yes Yes Yes Yes YesImport/Recover For

Supported Features 335Intelligent Mirroring Yes Yes Yes Yes Yes Yes YesRedundant Path ConfigurationYes Yes No No No No NoDisk Cache PolicyYes Yes Yes

336 Supported FeaturesBattery TasksPatrol Read ReportYes Yes Yes Yes Yes Yes YesCheck Consistency ReportYes Yes Yes Yes Yes Yes YesSlot Occupancy Repo

Supported Features 337Connector TasksPhysical Disk TasksTable A-30. Controller Tasks Supported by the PERC Hardware ControllersController Task NamePER

338 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

Supported Features 339Virtual Disk TasksTable A-32. Virtual Disk Tasks Supported by the PERC Hardware ControllersVirtual Disk Task Name PERC H800PERC

34 Getting Started

340 Supported FeaturesVirtual Disk SpecificationsCancel Format Virtual DiskNo No No No No NoRestore Dead Disk SegmentsNo No No No No NoInitialize Virt

Supported Features 341Maximum Virtual Disk SizeNone None None None None None NoneMaximum Number of Spans per Virtual Disk 88 8 8 8 8 8Maximum Number o

342 Supported FeaturesMaximum Number of Physical Disks in a RAID 50256 256 256 NA 256 256 16Minimum Number of Physical Disks that Can Be Concatenated

Supported Features 343Supported RAID LevelsMinimum number of physical disks in a RAID 644 4 4 4 4 NAMinimum number of physical disks in a RAID 6088 8

344 Supported FeaturesRead, Write, Cache and Disk Cache PolicyTable A-35. Read, Write, and Cache Policy Supported by the PERC Hardware ControllersRead

Supported Features 345Enclosure SupportSupported Features on the SAS 5/iR, SAS 6/iR, and PERC H200 Controllers This section identifies the controller-

346 Supported Features• Enclosure SupportFor enclosure-supported tasks, see Enclosure and Backplane Features.Controller TasksTable A-37. Controller Ta

Supported Features 347Battery Tasks Connector Tasks Physical Disk TasksTable A-38. Battery Tasks Supported on the SAS 5/iR, SAS 6/iR, and H200 Control

348 Supported FeaturesVirtual Disk Tasks Prepare to Remove No No NoOffline No No NoOnline No No NoInitialize No No NoRebuild No NA.Rebuild automatical

Supported Features 349Supported RAID LevelsBlink/Unblink Yes Yes YesReconfigure No No NoChange Policy No No YesSplit Mirror NoNoNoUnmirror No No NoDel

Understanding RAID Concepts 353Understanding RAID Concepts Storage Management uses Redundant Array of Independent Disks (RAID) technology to provide S

350 Supported FeaturesVirtual Disk SpecificationsRAID 10 No No YesTable A-43. Virtual Disk Specifications for the SAS 5/iR, SAS 6/iR, and PERC H200 Co

Supported Features 351Maximum Number of Physical Disks in a RAID 50NA NA NA Minimum Number of Physical Disks that Can Be Concatenated NA NA NA Minimum

352 Supported FeaturesRead, Write, Cache and Disk Cache PolicyEnclosure SupportTable A-44. Read, Write, and Cache Policy Supported by the SAS 5/iR, SA

Supported Features 353Supported Features on the PERC S100, PERC S110, and S300 ControllersThis section identifies the controller-supported features an

354 Supported FeaturesVirtual Disk TasksVirtual Disk SpecificationsTable A-48. Virtual Disk Tasks Supported by the PERC S100, PERC S110, and S300 Cont

Supported Features 355Maximum Virtual Disk SizeNone None NoneMaximum Number of Spans per Virtual Disk NA NA NAMaximum Number of Physical Disks per Spa

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

Supported Features 357Enclosure SupportSupported Features on the Non-RAID ControllersThis section identifies the controller-supported features and whe

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

Supported Features 359Battery Tasks Connector Tasks Physical Disk Tasks Table A-54. Battery Tasks Supported on the Non-RAID ControllersBattery Task Na

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

360 Supported FeaturesVirtual Disk Tasks Cancel Clear No NoTable A-57. Virtual Disk Tasks Supported by the Non-RAID ControllersVirtual Disk Task Name

Supported Features 361Enclosure Support Enclosure and Backplane FeaturesThis section identifies the features supported by the enclosure or backplane.

362 Supported Features• Supported Features on the PERC H700, PERC H710 A, PERC H710 MB, PERC H710 MM, PERC H710P A, PERC H710P MB, and PERC H710P MM C

Supported Features 363Enclosure and Backplane Support for Smart Thermal ShutdownTable A-60. Backplane Tasks for SCSI and SAS ControllersBackplane Task

364 Supported FeaturesMaximum Supported ConfigurationTable A-62. Backplane Support for Smart Thermal ShutdownSmart Thermal Shutdown SCSI SAS Smart The

Determining the Health Status for Storage Components365BDetermining the Health Status for Storage Components The tables in this appendix indicate how

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

Determining the Health Status for Storage Components 367Health Status Rollup: All Physical Disks in a Virtual Disk are in Foreign State HealthRollup T

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

Determining the Health Status for Storage Components 369Health Status Rollup: Virtual Disk is Failed Health RollupTable B-7. Health Status Rollup: Vir

Understanding RAID Concepts 37•Stripe element size—The amount of disk space consumed by a stripe element. For example, consider a stripe that contains

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

Determining the Health Status for Storage Components 371Health Status Rollup: One Enclosure Fan is Failed Health Status Rollup: One Enclosure EMM is F

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

Determining the Health Status for Storage Components 373Health Status Rollup: One or More Physical Disks are Failed Health RollupNA NA NATable B-14. H

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

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

Understanding RAID Concepts 39• RAID Level 5 (Striping with distributed parity)• RAID Level 6 (Striping with additional distributed parity)• RAID Leve

4 ContentsCommon Storage Tasks . . . . . . . . . . . . . . . . . 333 Understanding RAID Concepts . . . . . . . 35What Is RAID? . . . . . . . .

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

Understanding RAID Concepts 41Figure 3-2. Striping DisksRAID 0 Characteristics: • Groups n disks as one large virtual disk with a capacity of (smalles

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

Understanding RAID Concepts 43Related Information: • Organizing Data Storage for Availability and Performance• Comparing RAID Level and Concatenation

44 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

Understanding RAID Concepts 45Figure 3-5. RAID 6 RAID 6 Characteristics: • Groups n disks as one large virtual disk with a capacity of (n-2) disks.• R

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

Understanding RAID Concepts 47Figure 3-6. RAID 50 RAID 50 Characteristics: • Groups n*s disks as one large virtual disk with a capacity of s*(n-1) dis

48 Understanding RAID Concepts NOTE: On the PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, and 4e/Di controllers, there are special considerations when impleme

Understanding RAID Concepts 49Figure 3-7. RAID 60 RAID 60 Characteristics: • Groups n*s disks as one large virtual disk with a capacity of s*(n-2) dis

Contents 54 Quick Access to Storage Status andTasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57Storage Dashboard and Storage Health. .

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

Understanding RAID Concepts 51Figure 3-8. Striping Over Mirrored Disk GroupsRAID 10 Characteristics: • Groups n disks as one large virtual disk with a

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

Understanding RAID Concepts 53• Controller-supported RAID Levels• Number of Physical Disks per Virtual Disk• Maximum Number of Virtual Disks per Contr

54 Understanding RAID ConceptsTable 3-1. RAID Level and Concatenation Performance Comparison RAID LevelData AvailabilityRead PerformanceWrite Perform

Understanding RAID Concepts 55No-RAIDIn Storage Management, a virtual disk of unknown metadata is considered a No- RAID volume. Storage Management doe

56 Understanding RAID Concepts

Quick Access to Storage Status and Tasks 574Quick Access to Storage Status and Tasks This section describes various methods to determine the status or

58 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

Quick Access to Storage Status and Tasks 59Table 4-1. Component SeverityStorage Properties and Current Activity The Configuration/Information subtab d

6 ContentsPhysical Device Properties . . . . . . . . . . . . . . . 67Physical Device Tasks. . . . . . . . . . . . . . . . . . 71Blink and Unblink

60 Quick Access to Storage Status and Tasks• Power Supply Properties• Temperature Probe Properties and Tasks• Virtual Disk Properties and TasksAlerts

Quick Access to Storage Status and Tasks 61Using Enclosure Temperature ProbesPhysical disk enclosures have temperature probes that warn you when the e

62 Quick Access to Storage Status and TasksRelated Information: • I/O and Reboot Requirements for Detecting Physical Disk Status Changes• Time Delay i

Quick Access to Storage Status and Tasks 63healthy. Once the communication path is restored, reboot the system to update the disk status. If the commu

64 Quick Access to Storage Status and Tasks

PCI Express Solid-State Device Support 655PCI Express Solid-State Device SupportThis section gives an overview of the OpenManage Storage Management (O

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

PCI Express Solid-State Device Support 67PCIe Extender CardsThe PCIe Extender Card is attached to the backplane of the system and provides PCIe connec

68 PCI Express Solid-State Device SupportTable 5-3. Physical Device PropertiesProperties DescriptionName Displays the name of the PCIe SSD. The name i

PCI Express Solid-State Device Support 69Device Life Status Displays the life status of the PCIe SSD. The device life status is determined by the foll

Contents 7RAID Controller Read, Write, Cache, and Disk Cache Policy. . . . . . . . . . . . . . . . . . . . . . . 85Read Policy. . . . . . . . . . .

70 PCI Express Solid-State Device SupportApproaching Read Only — The drive is running out of spare sectors and is reaching the read-only mode. However

PCI Express Solid-State Device Support 71Physical Device TasksThe physical device tasks for PCIe SSD are as follows:•Blink• Unblink• Full Initializati

72 PCI Express Solid-State Device Support NOTE: If the system reboots or experiences a power loss during full intialization, the operation aborts. Yo

PCI Express Solid-State Device Support 73BackplanesPCIe SSDs are attached to the PCIe SSD backplane of the system. The number of supported PCIe SSDs d

74 PCI Express Solid-State Device Support

Storage Information and Global Tasks 755Storage Information and Global Tasks Use this window to view high-level information about your system’s storag

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

Storage Information and Global Tasks 77If the enclosure has virtual disks that are channel-redundant, then the enclosure can be turned off while redun

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

Storage Information and Global Tasks 79Minimum Required Firmware Version This property displays the minimum firmware version that is required by Stora

8 ContentsExport Log . . . . . . . . . . . . . . . . . . . . . . . 108Foreign Configuration Operations. . . . . . . . . . . 109Foreign Configurat

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

Controllers 817Controllers This section describes the controllers supported by Storage Management as well as the different controller features.What is

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

Controllers 83• PERC H200, H700, and H800 controllers• PERC H310 Adapter, PERC H310 Mini Monolithic, PERC H310 Mini Blades, PERC H710 Adapter, PERC H7

84 Controllers•Read, write, and cache policies—The manner in which a controller reads and writes data can vary. The read, write, and cache policies ha

Controllers 85RAID Controller Read, Write, Cache, and Disk Cache Policy When creating a virtual disk, you specify the read, write, and cache policies

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

Controllers 87•Write-Through—When using write-through caching, the controller sends a write-request completion signal only after the data is written t

88 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

Controllers 89 NOTE: Storage Management does not configure resource ownership in an Microsoft Windows cluster configuration. Updating the Display of

Contents 9Resizing the CacheCade . . . . . . . . . . . . . . 140Renaming the CacheCade . . . . . . . . . . . . . 140Blinking and Unblinking the Cac

90 Controllers NOTE: When creating a virtual disk on a controller that is in a cluster configuration, you must specify the maximum virtual disk size.

Controllers 91 NOTE: On replacing a SMART error drive with a good drive on PERC4/IM controllers, it is necessary to perform a rescan operation on the

92 ControllersNon-RAID SAS ControllersThe following non-RAID controllers use Serial Attached SCSI (SAS) technology. • SAS 5/i Integrated • SAS 5/E • S

Controllers 93Table 7-1. Firmware and Driver PropertiesProperty Definition Firmware Version This property displays the version of the firmware that i

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

Controllers 95Controller Components For information on attached components, see the following topics: • RAID Controller Batteries• Firmware/Driver Ver

96 ControllersController Properties The controller properties can vary depending on the model of the controller. Controller properties may include: Ta

Controllers 97Firmware Version This property displays the version of the firmware that is currently installed on the controller. NOTE: On some contro

98 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

Controllers 99Auto replace member on predictive failureIn case of predictive failure, this property enables the automatic copying of data from a physi