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Dell H710P, H310 Linux Operating System Errors, Driver Does not Auto-Build into New Kernel

Models: H310 H710 H710P H810

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Corrective Action: If the target disk fails and the Replace Member operation aborts but the source data is still available, then the Replace Member operation continues as Replace Member.

Linux Operating System Errors

Virtual Disk Policy is Assumed as Write-Through Error Message

Error Message: <Date:Time> <HostName> kernel: sdb: asking for cache data failed

<Date:Time> <HostName> kernel: sdb: assuming drive

cache: write through

Corrective Action: The error message is displayed when the Linux Small Computer System Interface (SCSI) mid-layer asks for physical disk cache settings. The controller firmware manages the virtual disk cache settings on a per controller and a per virtual disk basis, so the firmware does not respond to this command. The Linux SCSI mid-layer assumes that the virtual disk's cache policy is Write-Through. SDB is the device node for a virtual disk. This value changes for each virtual disk.

See the section "Physical Disk Management" on page 81 for more information about Write-Throughcache.

Except for this message, there is no effect of this behavior on normal operation. The cache policy of the virtual disk and the I/O throughput are not affected by this message. The cache policy settings for the PERC SAS RAID system remain unchanged.

Driver Does not Auto-Build into New Kernel

Issue: Driver does not auto-build into new kernel after customer updates.

Corrective Action: This error is a generic problem for Dynamic Kernel Module Support (DKMS) and applies to all DKMS-enabled driver packages. This issue occurs when you perform the following steps:

1Install a DKMS-enabled driver package.

2Run up2date or a similar tool to upgrade the kernel to the latest version.

3Reboot to the new kernel.

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Troubleshooting

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Dell H710P, H310, H810 manual Linux Operating System Errors, Virtual Disk Policy is Assumed as Write-Through Error Message

Contents

Dell PowerEdge RAID Controller PERC H310 H710, H710P, and H810 User’s GuideNotes, Cautions, and Warnings Model UCPA-801, UCPB-800, UCPM-800 and UCPE-800Supported Operating Systems ContentsPhysical Disk Power Management Types of Virtual Disk InitializationReconfiguration of Virtual Disks 3 Deploying the PERC CardWrite-Back With No Battery is Employed Using Persistent Hot Spare SlotsSupport For Internal Setting up Redundant Path SupportInstalling the Windows Drivers Reverting to Single Path Support5 Management Applications BIOS Configuration UtilityVirtual Disk Management UEFI RAID Configuration Utility CacheCade Virtual Disk CharacteristicsConfiguring and Managing Security Key Implementation 7 Security Key andTroubleshooting Security Key Errors Security Key Management in theWith Preserved Cache Error Message Missing Disks in Virtual Disk Error MessageMissing Virtual Disks Error Message Virtual Disks Degraded Error MessageDegraded State of Virtual Disks Unable to Rebuild a Fault Tolerant Virtual DiskFatal Error or Data Corruption Reported PERC Card Not Seen in Device ManagerA Appendix RAID Description Linux Operating System ErrorsContents Overview H710 SpecificationH310 H710PSupported Operating Systems 1 Go to support.dell.com Related DocumentationContacting Dell 3 Select Select a Product in Product Support 4 Select Enter a TagFeatures Physical Disk Power ManagementConfigured Spin Down Delay Types of Virtual Disk InitializationBackground Initialization of Virtual Disks Full Initialization of Virtual Disks Fast Initialization of Virtual DisksConsistency Checks Disk RoamingVirtual Disk Migration Perform the following steps to use disk migration Virtual Disk Write Cache Policies Write-Back and Write-ThroughConditions Under Which Forced Write-Back With No Battery is Employed Virtual Disk Read Cache PoliciesConditions Under Which Write-Back is Employed Reconfiguration of Virtual Disks Table 2-1. RAID Level Migration a mirrored virtual disk by adding one diskFault Tolerance The SMART FeaturePatrol Read Automatic Replace Member with Predicted FailureRedundant Path Support For PERC H810 Only Using Persistent Hot Spare Slots Physical Disk Failure DetectionPhysical Disk Hot Swapping Using Replace Member and Revertible Hot Spares Controller Cache PreservationCache Preservation With Non-Volatile Cache NVC Battery Transparent Learn CycleCache Data Recovery TLC Time FrameWhen to Replace the Battery Features Deploying the PERC Card Installing the PERC Controller Removing the PERC ControllerPCIe slot Figure 3-1. Removing and Installing the PERC AdapterSAS cable connectors2 PERC adapterFigure 3-2. Removing and Installing the PERC Mini Blade Controller PERC stack-up connectorSupport For Internal Multiple Controllers PERC mini monolithic controllerSetting up Redundant Path Support on the PERC H810 Adapter Page Figure 3-4. Redundant Path Support Configuration With Two Enclosures storageDriver Installation Installing the Windows DriversCreating the Driver Media 3 Click Continue Pre-Installation RequirementsCreating the Device Driver Media Downloading Drivers From the Dell Support Website1 Turn off the system 2 Install the new RAID controller in the system 8 Select Install from a list or specific location Updating Existing Windows Server 2008 or Windows Server 2008 R24 Click Device Manager Updating the Linux Driver Installing or Updating the RPM Driver Package With DKMS Support Installing or Updating the RPM Driver Package With KMOD SupportInstalling or Updating the RPM Driver Package With KMP Support Upgrading the KernelDriver Installation Management Applications for PERC Cards Dell OpenManage Storage ManagementBIOS Configuration Utility Entering the BIOS Configuration UtilityTable 5-1. Menu Navigation Keys Exiting the Configuration UtilityMenu Navigation Controls NotationNotation to exit the BIOS Configuration UtilityTable 5-1. Menu Navigation Keys continued Meaning and UseNotation Setting Up Virtual DisksTable 5-1. Menu Navigation Keys continued Meaning and UseDescription Table 5-2. Virtual Disk Parameters and DescriptionsParameter RAID LevelParameter or Adaptive. The default is Adaptive-Read-AheadTable 5-2. Virtual Disk Parameters and Descriptions continued DescriptionVirtual Disk Management Creating Virtual Disks10 Select additional disks, if required j Press Tab to move the cursor to Initialize and press Enter Converting Physical Disk to RAID Capable for PERC H310 Converting Physical Disk to Non-RAID for PERC H310Initializing Virtual Disks Checking Data Consistency Importing or Clearing Foreign Configurations Using the VD Mgmt Menu All the physical disks in a configuration are removed and re-inserted a Select Foreign Configuration View to display the Break Mirror Break Mirror in BIOS Configuration Utility Managing Preserved Cache 3 Select Manage Preserved CacheManaging Dedicated Hot Spares Creating a dedicated hot spareDeleting a dedicated hot spare Deleting Virtual Disks Deleting Disk Groups4 Select Clear Config BIOS Configuration Utility Menu OptionsClearing the Configuration Virtual Disk Management VD Mgmt menuVirtual Disk Management VD Mgmt Virtual Disks Physical DisksVirtual Disks Information Displayed in Right Panelin Left Panel Disk Group # PropertiesMenu Item Selected Information Displayed in Right Panel in Left Panel Management Applications for PERC CardsInformation Displayed in Right Panel in Left PanelManagement Applications for PERC Cards Action Virtual Disk ActionsTable 5-4. Virtual Disk Actions DescriptionPhysical Disk Management PD Mgmt Physical Disk Actions RebuildController Management Ctrl Mgmt Table 5-8. Controller Management Options Controller Management ActionsConfiguration Utility CtrlR OptionForeign Configuration View Setting LED BlinkingPhysical Disk Management Creating Global Hot Spares Removing Global or Dedicated Hot SparesReplacing an Online Physical Disk Stopping Background Initialization Restrictions and LimitationsEnabling Boot Support Controller ManagementPerforming a Manual Rebuild of an Individual Physical Disk Enabling BIOS Stop on Error Enabling Auto Import UEFI RAID Configuration Utility Restoring Factory Default SettingsEntering the UEFI RAID Configuration Utility Exiting the UEFI RAID Configuration Utility Configuration OptionsController Management Virtual Disk Management Physical Disk ManagementEnclosure Management CacheCade Virtual Disk Characteristics CacheCadeConfiguring and Managing CacheCade Virtual Disks CacheCade Virtual Disk ManagementCreate CacheCade Virtual Disk 5 Select Create CacheCade Virtual Disk and press EnterReconfiguring CacheCade Virtual Disks Delete CacheCade Virtual DiskAutomatic Reconfiguration of CacheCade Virtual Disks Manual Resizing of CacheCade Virtual Disks Security Key Management in the BIOS Configuration Utility Security Key and RAID ManagementSecurity Key Implementation Local Key Management LKM Create Security KeyChange Security Key Delete Security Key Creating Secured Virtual Disks Securing Pre-Existing Virtual DisksPage Instant Secure Erase Failure to Select or Configure Non Self-Encrypting Disks non-SED Troubleshooting Security Key ErrorsSecured Foreign Import Errors Failure to Delete Security KeyFailure to Instant Secure Erase Task on Physical Disks Security Key and RAID Management Discovery Error Message TroubleshootingBIOS Error Messages Extra Enclosure Error MessageCache Data Lost Error Message Missing Disks in Virtual Disk Error MessageError Message The following virtual disks have missing Previous Configuration of Disks Removed Error Message Missing Virtual Disks Error MessageDirty Cache Data Error Message BIOS Disabled Error MessageCorrective Action Enable the ROM option Drive Configuration Changes Error Message Adapter at Baseport not Responding Error MessageOffline or Missing Virtual Drives With Preserved Cache Error Message Virtual Disks Partially Degraded Error Message Virtual Disks Offline Error MessageVirtual Disks Degraded Error Message Memory or Battery Problem Error MessageFirmware Fault State Error Message Foreign Configuration Found Error MessageError Message Firmware is in Fault State Foreign Configuration Not Found in CtrlR Error Message Previous Configuration Cleared or Missing Error MessageInvalid SAS Topology Detected Error Message Multibit ECC Errors Detected Error Messages Configured Disks Removed or Not Accessible Error MessageDegraded State of Virtual Disks Memory ErrorsBattery Discharged or Disconnected Error Message Corrective ActionPERC Card Has Yellow Bang in Device Manager General IssuesPreserved Cache State PERC Card Not Seen in Device ManagerPhysical Disk Issues Unable to Rebuild a Fault Tolerant Virtual DiskPhysical Disk in Failed State Fatal Error or Data Corruption Reported Multiple Disks Become InaccessiblePhysical Disk Displayed as Blocked Virtual Disk Fails During Rebuild Using a Global Hot Spare Virtual Disk Fails During Rebuild Using a Dedicated Hot SpareRebuilding a Failed Physical Disk Physical Disk Takes a Long Time to Rebuild Virtual Disk Fails Rebuild Using a Dedicated Hot SparePhysical Disk Fails During Reconstruction on Redundant Virtual Disk Issue A physical disk is taking longer than expected to rebuildSMART Errors Smart Error Detected on a Physical Disk in a Redundant Virtual DiskCorrective Action Source Disk Fails During Replace Member Operation Replace Member ErrorsSmart Error Detected on a Physical Disk in a Non-Redundant Virtual Target Disk FailsLinux Operating System Errors Virtual Disk Policy is Assumed as Write-Through Error MessageDriver Does not Auto-Build into New Kernel Unable to Register SCSI Device Error Message Error MessageDisk Carrier LED Indicators Figure 8-1. Disk Carrier LED IndicatorsAppendix RAID Description Summary of RAID LevelsRAID Terminology Disk StripingDisk Mirroring Spanned RAID LevelsParity Data Figure A-3. Example of Distributed Parity RAID Figure A-4. Example of Dual Distributed Parity RAIDParity Index Page write policy Index