Dell OpenManage Server Administrator Managed Node for Fluid Cache for DAS Manuel d'utilisateur

Dell OpenManage ServerAdministrator StorageManagementUser’s Guide

10 ContentsEnclosures . . . . . . . . . . . . . . . . . . . . . . . 155Enclosure Physical Disks. . . . . . . . . . . . . 156Enclosure Fans . . . .

100 Controllers3Create or delete the virtual disk on system A. For more information on creating and deleting virtual disks, see: – Considerations Befo

Controllers 101Background Initialization on PERC ControllersOn PERC controllers, background initialization of a redundant virtual disk begins automati

102 Controllers• SAS 5/i Integrated • SAS 5/E • SAS 6Gbps AdapterFirmware/Driver Versions Use this window to view information about the controller fir

Controllers 103Table 8-1. Firmware and Driver PropertiesProperty Definition Firmware Version This property displays the version of the firmware that

104 ControllersController HealthThis screen displays the status of the controller and the components attached to the controller. Controller Severity C

Controllers 105Table 8-2. Component Severity Controller Information For information on the controller, see the following topics: • Controllers• Contro

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

Controllers 107State This property displays the current status of the controller. Possible values are: Ready—The controller is functioning normally.D

108 ControllersNumber of Connectors This property displays the number of connectors the controller has. Each connector can be attached to physical dis

Controllers 109Loadbalance This property provides the ability to automatically use both controller ports or connectors connected to the same enclosure

Contents 11Set Temperature Probe Properties and Tasks . . . 17910 Connectors . . . . . . . . . . . . . . . . . . . . . . 181Channel Redundancy and

110 ControllersPatrol Read Mode This property displays the Patrol Read mode setting for the controller. Possible values are: Auto—When set to Auto, a

Controllers 111Controller TasksTo execute a controller task: 1Expand the Storage tree object to display the controller objects. 2Select a controller o

112 Controllers4Select a task from the Available Tasks drop-down menu. 5Click Execute. NOTE: Different controllers support different features. For th

Controllers 113• Change Controller Properties• Manage Physical Disk Power• Manage Encryption Key• Convert to RAID Capable Disks• Convert to Non-RAID D

114 ControllersTo rescan a controller: 1Expand the tree view to display the controller object. 2Select the Controller object.3Click the Configuration/

Controllers 115Test Alarm (Controller) Does my controller support this feature? See Supported Features.Use the Test Alarm task to test whether the con

116 ControllersManage Physical Disk PowerDoes my controller support this feature? See Supported Features.The Manage Physical Disk Power task allows to

Controllers 117To change the controller’s rebuild rate: 1Type a numerical value in the New Rebuild Rate text box. The value must be within the 0 – 100

118 ControllersTo reset the controller configuration: 1Review the virtual disks that is destroyed by resetting the controller configuration. Make back

Controllers 119To export the controller log file: Click Export Log File when ready. To exit without exporting the controller log file, click Go Back t

12 Contents12 Physical Disks or Physical Devices . . . . 197Guidelines to Replace a Physical Disk or Physical Device . . . . . . . . . . . . . . . .

120 ControllersTo avoid unlocking foreign configurations and to proceed to preview/import/clear a foreign configuration that has not been locked, clic

Controllers 121State This property displays the current state of the foreign configuration. Ready—The foreign disk can be imported and functions norm

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

Controllers 123Importing Foreign Configurations Some controllers enable you to import a foreign configuration so that virtual disks are not lost after

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

Controllers 125Clear Foreign Configuration Does my controller support this feature? See Supported Features.After moving a physical disk from one contr

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

Controllers 127After Import State This property displays the after-import state of the physical disk. The physical disk can be imported in any of the

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

Controllers 129Bus Protocol This property displays the technology that the physical disk is using. Possible values are: SCSI—Small Computer System Int

Contents 13Full Initialization . . . . . . . . . . . . . . . . . . . . . 216Convert to RAID Capable Disk. . . . . . . . . . . . . . 217Convert to No

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

Controllers 131Set Background Initialization Rate Does my controller support this feature? See Supported Features.The Set Background Initialization Ra

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

Controllers 133To locate this task in Storage Management: 1Expand the Storage tree object to display the controller objects. 2Select a controller obje

134 ControllersTo change the controller’s reconstruct rate: 1Type a numerical value in the New Reconstruct Rate text box. The value must be within the

Controllers 135PERC H800 and PERC H810 controller in a daisy-chained enclosure. For an example of a daisy chain configuration (for PERC 6/E controller

136 ControllersTable 8-6. Component HealthHowever, if the communication channel between any two enclosures is lost, the redundant path configuration i

Controllers 137Clearing the Redundant Path ViewConsider a case where you reboot your system and Storage Management, displays the Logical Connector wit

138 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 139To locate this task in Storage Management: 1Expand the Storage tree object to display the controller objects. 2Select a controller obje

14 ContentsVirtual Disk Properties and Tasks . . . . . . . . . . . 235Virtual Disk Properties . . . . . . . . . . . . . . 235Virtual Disk Tasks .

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

Controllers 1412Select a controller object.3Select the Information/Configuration subtab.4Select Change Controller Properties... from the Controller Ta

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

Controllers 143To manage physical disk power on unconfigured drives and hot spares:1Select Enabled for the Spin Down Unconfigured Drives and Spin Down

144 Controllers4Select Manage Physical Disk Power from the Available Tasks drop-down menu.5Click Execute.Manage Preserved CacheThe Managed Preserved C

Controllers 145Manage Encryption Key NOTE: To configure encryption, you do not require an SED. However, to create a secure virtual disk, you require

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

Controllers 147 NOTE: Server Administrator Storage Management provides a suggested Passphrase below the Passphrase text box.4If you want to save the

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

Controllers 149Creating a CacheCadeTo create a CacheCade:1In the CacheCade(s) screen, click Create CacheCade. The Create CacheCade screen is displayed

Contents 15Virtual Disk Task: Rename. . . . . . . . . . . . . . . . 268Virtual Disk Task: Change Policy . . . . . . . . . . . . 269Split Mirror. . .

150 ControllersBlinking and Unblinking the CacheCadeIn the CacheCade(s) screen, go to the CacheCade that you want to blink and select Blink... from th

Controllers 151Convert to Non-RAID DisksOn Dell PERC H310 adapters, in the controller tasks drop-down menu select the task Convert to Non-RAID disks:1

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

Controllers 153

154 Controllers

Enclosures and Backplanes 1559Enclosures and Backplanes Physical disks can be contained in an enclosure or attached to the system’s backplane. An encl

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

Enclosures and Backplanes 157The Failure threshold has a default value that cannot be changed. You can set the Warning threshold, however. For informa

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

Enclosures and Backplanes 159Changing the Mode on PowerVault 220S and PowerVault 221S Enclosures When toggling the bus configuration switch on a Power

16 ContentsDedicated Hot Spare Protection Policy . . . . . 282Resetting the Hot Spare Protection Policy . . . . 282Global Hot Spare Protection Po

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

Enclosures and Backplanes 161Table 9-1. Component SeverityEnclosure and Backplane Information For information on enclosures and backplanes, see the fo

162 Enclosures and BackplanesTable 9-2. Enclosure and Backplane PropertiesProperty Definition These icons represent the severity or health of the stor

Enclosures and Backplanes 163Configuration This property displays the mode in which the enclosure is operating. Possible values are: Joined—Indicates

164 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 165Drop-down Menu Enclosure Tasks:• Enable Alarm (Enclosure)• Disable Alarm (Enclosure)• Set Asset Data•Blink• Set Temperatu

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

Enclosures and Backplanes 167Identifying an Open Connector for the Enclosure Does my controller support this feature? See Supported Features.If you ha

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

Enclosures and Backplanes 1692Type the new asset name in the New asset name text box. You can specify a name useful to you for organizing your storage

Contents 1718 Troubleshooting . . . . . . . . . . . . . . . . . . . 293Common Troubleshooting Procedures . . . . . . . . . 293Cables Attached Corre

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

Enclosures and Backplanes 171To locate this task in Storage Management: 1Expand the Storage tree object to display the controller objects. 2Expand a c

172 Enclosures and BackplanesTable 9-3. EMM PropertiesProperty Definition Status These icons represent the severity or health of the storage componen

Enclosures and Backplanes 173Fan PropertiesUse this window to view information about the enclosure’s fans. The fans are a component of the enclosure’s

174 Enclosures and BackplanesTable 9-4. Fan PropertiesProperty Definition Status These icons represent the severity or health of the storage componen

Enclosures and Backplanes 175Power Supply Properties Use this window to view information about the enclosure’s power supplies. Table 9-5. Power Supply

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

Enclosures and Backplanes 177Temperature Probe Properties and TasksDoes my enclosure support this feature? See Supported Features.Use this window to v

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

Enclosures and Backplanes 179Set Temperature Probe Properties and Tasks Click the Set Temperature Probe button to launch the wizard for changing the t

18 ContentsReceive a “Bad Block” Alert with “Replacement,” “Sense,” or “Medium” Error . . . . . . . . . . . 305Read and Write Operations Experience

180 Enclosures and Backplanes

Connectors 18110Connectors A controller contains one or more connectors (channels or ports) to which you can attach disks. A connector is externally a

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

Connectors 183Recommended 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

184 Connectors6Select 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 185Table 10-1. Component SeverityConnector Information For information on the connector, see the following topics: • Connectors• Connector

186 ConnectorsTable 10-2. Connector PropertiesProperty Definition These icons represent the severity or health of the storage component. For more info

Connectors 187Connector Tasks: Rescan Connector Does my controller support this feature? See Supported Features.On a SCSI controller, this task rescan

188 ConnectorsTable 10-3. Logical Connector PropertiesPath HealthThe path health of the connectors is represented as normal, warning, or critical. The

Connectors 189Selecting this option clears the redundant path view and the connectors are represented on the user interface as Connector 0 and Connect

Contents 19A Supported Features . . . . . . . . . . . . . . . . 317Supported Features on the PERC 4/ Controllers. . . . . 317Controller Tasks. . . .

190 Connectors

RAID Controller Batteries 19111RAID Controller Batteries Some RAID controllers have batteries. If the controller has a battery, Storage Management dis

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

RAID Controller Batteries 193Battery TasksTo execute a drop-down menu battery task: 1Expand the Storage tree object to display the controller objects.

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

RAID Controller Batteries 195To locate this task in Storage Management: 1Expand the Storage tree object to display the controller objects. 2Expand the

196 RAID Controller Batteries

Physical Disks or Physical Devices 19712Physical Disks or Physical DevicesPhysical disks or physical devices reside within an enclosure or are attache

198 Physical Disks or Physical Devices• Dell supports SAS and SATA drives on the same backplane but not within the same Virtual Disk.• Dell supports S

Physical Disks or Physical Devices 199Related Information• If you are replacing a disk that is part of a virtual disk, see Replacing a Failed Disk. •

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

20 ContentsEnclosure Support . . . . . . . . . . . . . . . . 345Supported Features on the PERC Hardware Controllers . . . . . . . . . . . . . . . .

200 Physical Disks or Physical Devices2Select the disk that is receiving SMART alerts and execute the Offline task. 3Manually remove the disk. 4Insert

Physical Disks or Physical Devices 201Physical Disk or Physical Device Properties and Tasks Use this window to view information about physical disks o

202 Physical Disks or Physical DevicesName This property displays the name of the physical disk or device. The name is comprised of the connector numb

Physical Disks or Physical Devices 203Rebuilding—Data from a redundant virtual disk is currently being rebuilt onto the physical disk or device. Incom

204 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 205Failure Predicted This property displays whether or not the physical disk or device has received a SMART alert a

206 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 207Physical Disk or Physical Device Tasks To execute a physical disk or physical device task: 1Expand the Storage t

208 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 209On most controllers, the Blink task automatically cancels after a short duration such as 30 or 60 seconds. If yo

Contents 21Supported Features on the Non-RAID Controllers . . . 372Controller Tasks. . . . . . . . . . . . . . . . . . . 373Battery Tasks . . . . .

210 Physical Disks or Physical DevicesThis task causes the lights on the disk to blink. You can safely remove the disk or device under the following c

Physical Disks or Physical Devices 211Rebuild Does my controller support this feature? See Supported Features.Use the Rebuild task to reconstruct data

212 Physical Disks or Physical Devices NOTE: On PERC S100 and S300 controllers, if there is free space available on the global hot spare, it continue

Physical Disks or Physical Devices 213The Online and Offline tasks only apply to physical disks that are included in a redundant virtual disk and atta

214 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 215If Revertible Hot Spare is enabled and the physical disk is SMART-enabled, the controller firmware automatically

216 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 217Convert to RAID Capable DiskThis task enables a disk for all RAID operations. This task is supported on H310 con

218 Physical Disks or Physical Devices

Virtual Disks 21913Virtual DisksIn order to implement RAID functions, RAID controllers must create a virtual disk. A virtual disk refers to storage cr

22 ContentsHealth Status Rollup: Unsupported Firmware Version. . . . . . . . . . . . . . . . . . . . . . . . . 386Health Status Rollup: Enclosure Po

220 Virtual DisksYou may also want to review the following sections: • RAID Controller Read, Write, Cache, and Disk Cache Policy• Understanding Hot Sp

Virtual Disks 221•Space allocation when deleting and creating virtual disks on controllers—When you delete a virtual disk, you free up or make availab

222 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 223For related information, see Considerations for CERC SATA1.5/6ch and CERC SATA1.5/2s Controllers When Physical Disks are Shared by Re

224 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 225Calculation for Maximum Virtual Disk Size and the Create Virtual Disk Express Wizard The Create Virtual Disk Express Wizard displays

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

Virtual Disks 227To reconfigure a virtual disk: 1Review the information in Starting and Target RAID Levels for Virtual Disk Reconfiguration and Capaci

228 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 229PERC 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

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

230 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 231Exceptions for Reconfiguring a Concatenated Virtual Disk on CERC SATA1.5/6ch and CERC SATA1.5/2s Controllers You can create a concate

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

Virtual Disks 233The following table describes some of the possible scenarios that may/may not result in virtual disk bad blocks:Table 13-2. Sample Sc

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

Virtual Disks 235Virtual Disk Properties and Tasks Use this window to view information about the virtual disks and execute virtual disk tasks. From th

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

Virtual Disks 237Background Initialization—A background initialization is being performed on the virtual disk. Formatting—The virtual disk is being fo

238 Virtual DisksAssociated Fluid Cache StateThis property displays the associated Fluid Cache state of the virtual disk. The possible values are Acti

Virtual Disks 239Virtual Disk Tasks To execute a virtual disk drop-down menu task: 1Expand the Storage tree object to display the controller objects.

24 OverviewBefore Installing Storage ManagementThe following sections describe considerations for installing Storage Management.Version Requirements f

240 Virtual Disks• Pause Check Consistency• Resume Check Consistency• Blink and Unblink (Virtual Disk)• Rename• Split Mirror• Unmirror• Cancel Rebuild

Virtual Disks 241Cancel Background Initialization Does my controller support this feature? See Supported Features.On PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/

242 Virtual DisksAssign and Unassign Dedicated Hot Spare Does my controller support this feature? See Supported Features.Use the Assign Dedicated Hot

Virtual Disks 243Pause Check Consistency Does my controller support this feature? See Supported Features.Use the Pause Check Consistency task to pause

244 Virtual DisksRename Does my controller support this feature? See Supported Features.Use the Rename task to change the virtual disk’s name. For mor

Virtual Disks 245Clear Virtual Disk Bad BlocksDoes my controller support this feature? See Supported Features.Use the Clear Virtual Disk Bad Blocks ta

246 Virtual DisksCreate Virtual Disk Express Wizard (Step 1 of 2) Does my controller support this feature? See Supported Features.The Create Virtual D

Virtual Disks 247If you want to make your own selections for the virtual disk configuration, click Go To Advanced Wizard. To Create a Virtual Disk Exp

248 Virtual Disks– Select RAID 10 for striping over mirror sets. This selection groups n disks together as one large virtual disk with a total capacit

Virtual Disks 249 NOTE: When creating a virtual disk on the CERC SATA1.5/2s controller or on a controller that is in a cluster configuration, you mus

Overview 25• PERC 5/E • PERC 5/i Integrated and PERC 5/i Adapter • SAS 5/iR Integrated and SAS 5/iR Adapter • PERC 6/E • PERC 6/I Integrated and PERC

250 Virtual DisksThe Physical Disk check box is not available if the controller does not have a physical disk that is a suitable hot spare for the vir

Virtual Disks 251If you want to have the wizard choose a recommended virtual disk configuration for you, click Go To Express Wizard. To Create a Virtu

252 Virtual Disksdisk fails, the virtual disk continues to function. The data is read from the surviving mirrored pair disk. This feature provides the

Virtual Disks 253• Across connectors in the enclosure that are not at the same level of the enclosure but with a physical disk of acceptable size diff

254 Virtual DisksCreate Virtual Disk Advanced Wizard (Step 2 of 4) Does my controller support this feature? See Supported Features.This screen enables

Virtual Disks 255Physical Disks SelectedThe Physical Disks Selected section of the screen displays the disks you have chosen. In this example, two dis

256 Virtual Disksyou have selected RAID 10 in step 1 and the system has 22 or more than 22 physical drives.Click Continue when you have completed the

Virtual Disks 257than the size you specify. The Create Virtual Disk wizard may round up the size of the virtual disk to avoid rendering a portion of t

258 Virtual Disks NOTE: If you have selected the Create Encrypted Virtual Disk check box in Create Virtual Disk Advanced Wizard (Step 1 of 4), then i

Virtual Disks 259Span EditIn the edit mode, you cannot alter the number of physical disks per span. If there are enough available physical disks, you

26 OverviewSupported Enclosures This release of Storage Management supports the following enclosures:• Dell PowerVault 20xS and 21xS storage systems•

260 Virtual DisksTo Reconfigure a Virtual Disk: Step 1 of 3 1Select the physical disks that you want to include in the virtual disk. You can expand th

Virtual Disks 261Virtual Disk Task: Reconfigure (Step 2 of 3) Does my controller support this feature? See Supported Features.This screen enables you

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

Virtual Disks 263Virtual Disk Task: Reconfigure (Step 3 of 3) Does my controller support this feature? See Supported Features.This screen enables you

264 Virtual DisksFormat and Initialize; Slow and Fast Initialize Does my controller support this feature? See Supported Features.The Format or Initial

Virtual Disks 265initialize can be completed quickly because existing information on the physical disks is not erased, although future write operation

266 Virtual DisksFormatting or Initializing a Disk To format or initialize a disk: 1Review the virtual disk that is destroyed by the Format or Initial

Virtual Disks 267Virtual Disk Task: Delete Does my controller support this feature? See Supported Features.Deleting a virtual disk destroys all inform

268 Virtual DisksVirtual Disk Task: Rename Does my controller support this feature? See Supported Features.Renaming a virtual disk enables you to chan

Virtual Disks 269Virtual Disk Task: Change Policy Does my controller support this feature? See Supported Features.Use the Change Policy task to change

Getting Started 272Getting Started Dell OpenManage Server Administrator Storage Management is designed for system administrators who implement hardwar

270 Virtual Disksconcatenated virtual disks on these controllers, see Number of Physical Disks per Virtual Disk and Exceptions to One Physical Disk Li

Virtual Disks 271 NOTE: On the CERC SATA1.5/6ch controllers, doing an Unmirror on a RAID 1-concatenated virtual disk results in a concatenated virtua

272 Virtual DisksFor more information on hot spares including size requirements, see Protecting Your Virtual Disk with a Hot Spare. For considerations

Virtual Disks 273Virtual Disk Task: Replace Member Disk (Step 1 of 2) NOTE: This feature is supported only on SAS and SATA controllers with firmware

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

Virtual Disks 2752From the Ta sk s drop-down list corresponding the virtual disk for which you want to enable the cache, select Enable Fluid Cache.3Cl

276 Virtual DisksThe Partitions of Virtual Disk page is displayed with the list of available virtual disk partitions. NOTE: The Partition link is ava

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

278 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 279Moving the Disks 1Turn off the system that the physical disks are being moved from.2If

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

280 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 28115Protecting Your Virtual Disk with a Hot SpareWhen you create a redundant virtual disk using a RAID

282 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 283Global Hot Spare Protection PolicyTable 15-2. Global Hot Spare Properties NOTE: When assigning a glo

284 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 285A dedicated hot spare can only be assigned to the set of virtual disks that share the same physical d

286 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 287 NOTE: When using the BIOS on a CERC SATA1.5/6ch controller, it may be possible to create a hot spar

288 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 28916CacheCade Using Solid State DrivesCacheCade is used to improve random read performance of the Hard Disk Drive

Getting Started 29User Privileges Server Administrator provides security through the User, Power User, and Administrator user groups. Each user group

290 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 29117BIOS Terminology The terminology used by Storage Management can be different from the terminology used in the controller BIOS. T

292 BIOS TerminologyConcatenation of RAID 1 VolumeRAID 0 RAID-0 (Stripe)RAID 1 RAID-1 (Mirror)Diagnostics VerifyTable 17-2. Naming convention differen

Troubleshooting 29318Troubleshooting This section contains troubleshooting procedures for common situations as well as for specific problems. Common T

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

Troubleshooting 295Replacing a Failed Disk You may need to replace a failed disk in the following situations: • Replacing a Failed Disk that is Part o

296 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 297After retrieving any viable data from the disk, replace the failed disk as described previously in Replacing a Failed Disk that is

298 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 299•The virtual disk is non-redundant—For example, a RAID 0 virtual disk cannot be rebuilt because RAID 0 does not provide data redund

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

30 Getting StartedDrop-down Menus and Wizards for Running Tasks Many of the storage objects displayed in the tree view have tasks. Examples of these t

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

Troubleshooting 3013Restore the virtual disk from the tape onto healthy physical disks. Cannot Create a Virtual Disk You might be attempting a RAID co

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

Troubleshooting 303Resolution: Perform a Rescan Controller. When the rescan is complete, select each physical disk that is Offline and perform a Remov

304 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 305Receive a “Bad Block” Alert with “Replacement,” “Sense,” or “Medium” Error The following alerts or events are generated when a port

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

Troubleshooting 307A Corrupt Disk or Drive Message Suggests Running autocheck During a Reboot Let autocheck run, but do not worry about the message. T

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

Troubleshooting 309PCIe SSD TroubleshootingPeripheral Component Interconnect Express (PCIe) Solid-State Drive (SSD) is not seen in the operating syste

Getting Started 31Common Storage TasksThis section provides links to information describing commonly performed storage tasks. • Create and configure v

310 TroubleshootingFluid Cache for DASFluid Cache tree is not seen in OMSS. Install Fluid Cache and restart the OpenManage services.Additional entries

Troubleshooting 311Blank graph or graph with minimal data is plotted The data for the duration selected has minimal samples. Select a shorter duration

312 Troubleshooting

Frequently Asked Questions 31319Frequently Asked Questions This section provides frequently asked questions that address situations commonly experienc

314 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 3153To display more information about a particular controller including its tasks, click the controller’s name in the Name

316 Frequently Asked Questions

Supported Features 317ASupported Features Different controllers support different features. The tasks displayed by the Storage Management menus and ot

318 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 319Battery Tasks Connector Tasks Set Patrol Read ModeNOTE: For PERC 4 controllers, (Manual mode is not available).Yes Yes Yes Yes Y

32 Getting Started

320 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 321Virtual Disk Tasks Table A-5. Virtual Disk Tasks Supported by the PERC 4/ ControllersVirtual Disk Task Name PERC 4/SCPERC 4/DCPE

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

Supported Features 323Virtual Disk Specifications Table A-6. Virtual Disk Specifications for the PERC 4/ ControllersVirtual Disk Specification PERC 4/

324 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 325Minimum Number of Physical Disks that Can Be Concatenated 2 2 2222 NAMinimum Number of Physical Disks in a RAID 0 1 1 1111 NAMin

326 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 327Read, Write, and Disk Cache Policy Table A-8. Read, Write and Disk Cache Policy Supported by the PERC 4/ ControllersRead, Write,

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

Supported Features 329Battery Tasks Quiet Alarm No YesTest Alarm No YesReset configuration Yes YesSet Rebuild Rate No NoSet Background Initialization

Understanding RAID Concepts 333Understanding RAID Concepts Storage Management uses Redundant Array of Independent Disks (RAID) technology to provide S

330 Supported FeaturesConnector Tasks Physical Disk Tasks Start Learn Cycle No NoDelay Learn Cycle No NoTable A-12. Connector Tasks Supported by the C

Supported Features 331Virtual Disk Tasks Table A-14. Virtual Disk Tasks Supported by the CERC SATA Controllers Virtual Disk Task Name CERC SATA 2S C

332 Supported FeaturesVirtual Disk Specifications Restore Dead Disk SegmentsNo YesInitialize Virtual Disk No NoFast Initialize Virtual Disk No NoSlow

Supported Features 333Maximum Number of Physical Disks that Can Be Concatenated11Maximum Number of Physical Disks in a RAID 0248Maximum Physical Disks

334 Supported FeaturesSupported RAID Levels Read, Write, and Disk Cache Policy Maximum number of physical disks in a RAID 60NA NAMinimum number of phy

Supported Features 335Enclosure Support Supported Features on the PERC 5/ PERC 6/, and CERC 6/I ControllersThis section identifies the controller-supp

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

Supported Features 337Export Log File Yes Yes Yes Yes Yes YesClear Foreign Configuration Yes Yes Yes Yes Yes YesImport Foreign Configuration Yes Yes Y

338 Supported FeaturesBattery Tasks Change Controller Properties No No Yes with firmware 6.1 and laterYes with firmware 6.1 and laterYes with firmware

Supported Features 339Connector Tasks Physical Disk Tasks Start Learn Cycle Yes Yes Yes Yes Yes NoDelay Learn Cycle Yes Yes Yes Yes Yes NoTable A-21.

34 Understanding RAID ConceptsHardware and Software RAIDRAID can be implemented with either hardware or software. A system using hardware RAID has a R

340 Supported FeaturesVirtual Disk Tasks Format Disk No No No No No NoClear Yes Yes Yes Yes Yes YesCancel Clear Yes Yes Yes Yes Yes YesCancel Replace

Supported Features 341Delete (any) Virtual Disk YesYesYesYesYesYesCheck Consistency Yes Yes Yes Yes Yes YesCancel Check ConsistencyYesYesYesYesYesYesP

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

Supported Features 343Maximum Number of Physical Disks in a RAID 1016 16 256 with firmware version 6.116 16 16Maximum Number of Physical Disks in a RA

344 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 345Enclosure Support Read Policy YesYesYesYesYesYesRead Ahead (Enabled) Yes Yes Yes Yes Yes YesAdaptive Read Ahead Yes Yes Yes Yes

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

Supported Features 347Controller TasksTable A-28. Controller Tasks Supported on the PERC Hardware ControllersController Task NamePERC H800PERC H810 Ad

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

Supported Features 349Intelligent Mirroring Yes Yes Yes Yes Yes Yes YesRedundant Path ConfigurationYes Yes No No No No NoDisk Cache PolicyYes Yes Yes

Understanding RAID Concepts 35•Stripe size—The total disk space consumed by a stripe not including a parity disk. For example, consider a stripe that

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

Supported Features 351Connector TasksPhysical Disk TasksTable A-30. Controller Tasks Supported by the PERC Hardware ControllersController Task NamePER

352 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 353Virtual Disk TasksTable A-32. Virtual Disk Tasks Supported by the PERC Hardware ControllersVirtual Disk Task Name PERC H800PERC

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

Supported Features 355Virtual Disk SpecificationsTable A-33. Virtual Disk Specifications for the PERC Hardware ControllersVirtual Disk Specification P

356 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

Supported Features 357Supported RAID LevelsMaximum number of physical disks in a RAID 632 32 32 32 32 32 NAMaximum number of physical disks in a RAID

358 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-35. Read, Wr

Supported Features 359Enclosure SupportSupported Features on the SAS 5/iR, SAS 6/iR, and PERC H200 Controllers This section identifies the controller-

36 Understanding RAID ConceptsWhen choosing concatenation or a RAID level, the following performance and cost considerations apply: •Availability or f

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

Supported Features 361Battery Tasks Connector Tasks Import/Recover Foreign Configuration No Yes YesSet Patrol Read Mode No No NoStart Patrol Read No N

362 Supported FeaturesPhysical Disk TasksTable A-40. Physical Disk Tasks Supported on the SAS 5/iR, SAS 6/iR, and H200 ControllersPhysical Disk Task N

Supported Features 363Virtual Disk Tasks Table A-41. Virtual Disk Tasks Supported by the SAS 5/iR, SAS 6/iR, and H200 Controllers Virtual Disk Task Na

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

Supported Features 365Maximum Number of Physical Disks that Can Be ConcatenatedNA NA NA Maximum Number of Physical Disks in a RAID 04 8 10 - Adapter10

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

Supported Features 367Enclosure SupportTable A-45. Enclosure Support on the SAS 5/iR, SAS 6/iR, and H200 Controllers Enclosure Support SAS 5/IR SAS

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

Supported Features 369Virtual Disk TasksVirtual Disk SpecificationsTable A-48. Virtual Disk Tasks Supported by the PERC S100, PERC S110, and S300 Cont

Understanding RAID Concepts 37Choosing RAID Levels and Concatenation You can use RAID or concatenation to control data storage on multiple disks. Each

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

Supported Features 371Supported RAID LevelsRead, Write, Cache and Disk Cache PolicyMinimum Number of Physical Disks in a RAID 5333Minimum Number of Ph

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

Supported Features 373• Virtual Disk Tasks• Enclosure SupportFor enclosure-supported tasks, see Enclosure and Backplane Features.Controller Tasks Tabl

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

Supported Features 375Virtual Disk Tasks Cancel Clear No NoTable A-57. Virtual Disk Tasks Supported by the Non-RAID ControllersVirtual Disk Task Name

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

Supported Features 377• 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

378 Supported FeaturesEnclosure and Backplane Support for Smart Thermal ShutdownTable A-60. Backplane Tasks for SCSI and SAS ControllersBackplane Task

Supported Features 379Maximum Supported ConfigurationTable A-63. Maximum Supported Configuration for SAS and SCSI ControllersMaximum Supported Configu

38 Understanding RAID ConceptsWhen a physical disk in a concatenated or spanned volume fails, the entire volume becomes unavailable. Because the data

380 Supported Features

Determining the Health Status for Storage Components 381BDetermining the Health Status for Storage Components The tables in this appendix indicate how

382 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 383Health Status Rollup: All Physical Disks in a Virtual Disk are in Foreign State HealthRollup T

384 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 385Health Status Rollup: Virtual Disk is Failed Health RollupTable B-7. Health Status Rollup: Vir

386 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 387Health Status Rollup: One Enclosure Fan is Failed Health Status Rollup: One Enclosure EMM is F

388 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 389Health Status Rollup: One or More Physical Disks are Failed Health RollupNA NA NATable B-14. H

Understanding RAID Concepts 39Related Information: • Organizing Data Storage for Availability and Performance• Controller-supported RAID Levels• Numbe

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

4 ContentsCommon Storage Tasks . . . . . . . . . . . . . . . . . 313 Understanding RAID Concepts . . . . . . . 33What Is RAID? . . . . . . . .

40 Understanding RAID ConceptsRAID 0 Characteristics: •Groups n disks as one large virtual disk with a capacity of (smallest disk size)*n disks. • Dat

Understanding RAID Concepts 41Figure 3-3. Mirroring DisksRAID 1 Characteristics: • Groups n + n disks as one virtual disk with the capacity of n disks

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

Understanding RAID Concepts 43RAID 5 Characteristics: • Groups n disks as one large virtual disk with a capacity of (n-1) disks.• Redundant informatio

44 Understanding RAID ConceptsFigure 3-5. RAID 6 RAID 6 Characteristics: •Groups n disks as one large virtual disk with a capacity of (n-2) disks.• Re

Understanding RAID Concepts 45Related Information: • Organizing Data Storage for Availability and Performance• Comparing RAID Level and Concatenation

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

Understanding RAID Concepts 47 NOTE: On the PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, and 4e/Di controllers, there are special considerations when impleme

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

Understanding RAID Concepts 49• Increased redundancy provides greater data protection than a RAID 50. • Requires proportionally as much parity informa

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

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

Understanding RAID Concepts 51Related Information: • Organizing Data Storage for Availability and Performance• Comparing RAID Level and Concatenation

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

Understanding RAID Concepts 53Comparing RAID Level and Concatenation Performance The following table compares the performance characteristics associat

54 Understanding RAID ConceptsRAID 10 Excellent Very Good Fair Good 2N x X Data-intensive environments (large records) RAID 50 Good Very Good Fair Fa

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• Select the controller and investigate the status of the lower-level components. For more information, see

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. . . . . . . . . . . . . . . . . . 70Blink 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 SupportDevice Life Status Displays the life status of the PCIe SSD. The device life status is determined by the foll

PCI Express Solid-State Device Support 69Approaching Read Only — The drive is running out of spare sectors and is reaching the read-only mode. However

Contents 7Storage Controllers . . . . . . . . . . . . . . . . . . . 87Storage Components. . . . . . . . . . . . . . . . 908 Controllers . . . . .

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

PCI Express Solid-State Device Support 71Full Initialization CAUTION: Performing a full initialization on a PCIe SSD overwrites all blocks and will r

72 PCI Express Solid-State Device SupportAdd PCIe SSDs to Fluid Cache PoolYou can configure or increase the capacity of the Fluid Cache pool by adding

PCI Express Solid-State Device Support 733Click Execute to remove the PCIe SSD. The following message is displayed.Device will be removed from Fluid C

74 PCI Express Solid-State Device Support

Fluid Cache for DAS 756Fluid Cache for DASFluid Cache is a server-side caching accelerator that makes high-speed express flash (PCIe SSD) a shared, di

76 Fluid Cache for DASConnect Fluid Cache: Click to refresh the Fluid Cache node information for Fluid Cache Disks and License. The Sub-System Informa

Fluid Cache for DAS 77Fluid Cache PoolTo configure a Fluid Cache pool by adding PCIe SSDs, see Add PCIe SSDs to Fluid Cache Pool. For removing PCIe SS

78 Fluid Cache for DASTable 6-3. Cache Pool PropertiesProperties DescriptionCache Pool Size Displays the size of the cache pool in GiB.Cache Pool High

Fluid Cache for DAS 79Failure Predicted Displays whether the physical disk has received a Self-Monitoring Analysis and Reporting Technology (SMART) al

8 ContentsFirmware/Driver Versions . . . . . . . . . . . . . . . 102Firmware/Driver Properties. . . . . . . . . . . . 102Controller Health. . . .

80 Fluid Cache for DASStatistics: Cache I/O StatisticsThe statistics page allows you to view:• Cache usage of Fluid Cache disk• Fluid Cache performanc

Fluid Cache for DAS 81In the Read/Write Bytes per Second for Fluid Cache Disk graph, the performance of cache read, cache write, disk read and disk wr

82 Fluid Cache for DASLicense SettingsUse this page to view the digital license associated with the Fluid Cache. Table 6-6. License SettingsProperties

Fluid Cache for DAS 83To upgrade an existing license, use the Apply new license field. Click on Browse to select the stored license and click Apply to

84 Fluid Cache for DAS

Storage Information and Global Tasks 857Storage Information and Global Tasks Use this window to view high-level information about your system’s storag

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

Storage Information and Global Tasks 87If the enclosure has virtual disks that are channel-redundant, then the enclosure can be turned off while redun

88 Storage Information and Global TasksTable 7-2. Controller PropertiesProperty Definition Status This property displays the controller status. ID T

Storage Information and Global Tasks 89Minimum Required Firmware Version This property displays the minimum firmware version that is required by Stora

Contents 9Set Patrol Read Mode . . . . . . . . . . . . . . . . . . 137Start and Stop Patrol Read . . . . . . . . . . . . . . . 139Change Controller

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

Controllers 918Controllers This section describes the controllers supported by Storage Management as well as the different controller features.What is

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

Controllers 93• PERC H200, H700, and H800 controllers• PERC H310 Adapter, PERC H310 Mini Monolithic, PERC H310 Mini Blades, PERC H710 Adapter, PERC H7

94 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 95RAID Controller Read, Write, Cache, and Disk Cache Policy When creating a virtual disk, you specify the read, write, and cache policies

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

Controllers 97•Write-Through—When using write-through caching, the controller sends a write-request completion signal only after the data is written t

98 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 99Updating the Display of Clustered Resources This section applies to PERC 4/DC and 4e/DC controllers After a failover of cluster resource