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Troubleshooting

139

Invalid SAS topology
detected. Please check
your cable
configurations, repair
the problem, and
restart your system.

The SAS cables for your

system are improperly

connected.

Check the cable

connections and restart

the system.

Multibit ECC errors
were detected on the
RAID controller. If
you continue, data
corruption can occur.
Contact technical
support to resolve
this issue. Press 'X'
to continue or else
power off the system,
replace the controller
and reboot.

This error is specific to the

PERC H700 controller.
Multi-bit ECC errors

(MBE) occur in the

memory and can corrupt

cached data and discard it.

CAUTION:

MBE

errors are serious, as
they cause data
corruption and data
loss. In case of MBE
errors, contact Dell
Technical Support.

NOTE:

A similar

message is displayed

when multiple single-bit

ECC errors are detected

on the controller during

bootup.

Multibit ECC errors
were detected on the
RAID controller.The
DIMM on the controller
needs replacement. If
you continue, data
corruption can occur.
Press 'X' to continue
or else power off the
system, replace the
DIMM module, and
reboot. If you have
replaced the DIMM
please press 'X' to
continue.

Multi-bit ECC errors

(MBE) occur in the

memory and can corrupt

cached data and discard it.

CAUTION:

MBE

errors are serious,
as they cause data
corruption and loss.
In case of MBE errors,
contact Dell Technical
Support.

Table 9-1. BIOS Errors and Warnings

(continued)

Error Message

Probable Cause

Corrective Action

PERC7.2_UG.book Page 139 Thursday, March 3, 2011 2:14 PM

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Содержание PERC H700

Страница 1: ...Dell PowerEdge RAID Controller PERC H700 and H800 User s Guide ...

Страница 2: ...Dell Inc Intel is a registered trademark of Intel Corporation in the U S and other countries Microsoft Windows Windows Server MS DOS and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Red Hat Enterprise Linux and Enterprise Linux are registered trademarks of Red Hat Inc in the United States and or other countries No...

Страница 3: ...H700 and H800 Card Descriptions 15 PCI Architecture 16 Operating System Support 16 RAID Description 17 Summary of RAID Levels 17 RAID Terminology 18 3 Storage Controller Features 21 Physical Disk Power Management 24 Using the SMART Feature 24 Initializing Virtual Disks 25 Background Initialization of Virtual Disks 25 Full Initialization of Virtual Disks 25 Fast Initialization of Virtual Disks 26 ...

Страница 4: ...e Through is Employed 30 Conditions Under Which Forced Write Back With No Battery is Employed 30 Virtual Disk Read Cache Policies 30 Reconfiguring Virtual Disks 31 Fault Tolerance Features 33 Using Persistent Hot Spare Slots 34 Physical Disk Hot Swapping 34 Failed Physical Disk Detection 34 Redundant Path With Load Balancing Support 35 Using Replace Member and Revertible Hot Spares 35 Controller C...

Страница 5: ...eplacing the BBU on a PERC H700 56 Removing the TBBU or TNVC From a PERC H800 Adapter 58 Replacing the Battery and Battery Cable Onto the DIMM of a PERC H800 Adapter 60 Installing the TBBU or TNVC on a PERC H800 Adapter 61 Transferring a TBBU or TNVC Between PERC H800 Cards 63 Setting up Redundant Path Support on the PERC H800 Adapter 64 Reverting From Redundant Path Support to Single Path Support...

Страница 6: ...nstalling Red Hat Enterprise Linux Operating System Using the DUD 76 Installing SUSE Linux Enterprise Server Using the Driver Update Diskette 77 Installing the RPM Package With DKMS Support 78 Installing Solaris Driver 79 Installing Solaris 10 on a PowerEdge System Booting From a PERC H700 or H800 Card 80 Adding or Updating the Driver to an Existing System 80 6 Configuring and Managing RAID 81 Del...

Страница 7: ...nfiguration 99 BIOS Configuration Utility Menu Options 99 Physical Disk Management 108 Setting LED Blinking 108 Creating Global Hot Spares 109 Removing Global or Dedicated Hot Spares 109 Replacing an Online Physical Disk 110 Stopping Background Initialization 111 Performing a Manual Rebuild of an Individual Physical Disk 111 Controller Management 112 Enabling Boot Support 112 Enabling BIOS Stop on...

Страница 8: ...ty Key Management 122 Creating Secured Virtual Disks 125 Securing Pre Existing Virtual Disks 126 Importing or Clearing Secured Foreign Configurations and Secure Disk Migration 126 Instant Secure Erase 128 Troubleshooting Security Key Errors 128 Secured Foreign Import Errors 128 Failure to Select or Configure Non Self Encrypting Disks non SED 129 Failure to Delete Security Key 129 Failure to Instan...

Страница 9: ...sk Related Issues 143 Physical Disk Failures and Rebuild Issues 144 SMART Errors 146 Replace Member Errors 147 Linux Operating System Errors 148 Disk Carrier LED Indicators 151 A Regulatory Notices 153 B Corporate Contact Details Taiwan Only 155 Glossary 157 Index 175 ...

Страница 10: ...10 Contents ...

Страница 11: ...emoving covers that are marked with the triangular symbol with a lightning bolt may expose you to electrical shock Components inside the compartments must be serviced only by a trained service technician If any of the following conditions occur unplug the product from the electrical outlet and replace the part or contact your trained service provider The power cable extension cable or plug is dama...

Страница 12: ... you are disconnecting this type of cable press in on the locking tabs before disconnecting the cable As you pull connectors apart keep them evenly aligned to avoid bending any connector pins Also when you connect a cable make sure both connectors are correctly oriented and aligned Handle components and cards with care Do not touch the components or contacts on a card Hold a card by its edges or b...

Страница 13: ...s Battery Disposal Your system may use a nickel metal hydride NiMH lithium coin cell and or a lithium ion battery The NiMH lithium coin cell and lithium ion batteries are long life batteries and it is possible that you may never need to replace them However should you need to replace them see the instructions included in the section Configuring and Managing RAID on page 81 NOTE Do not dispose of t...

Страница 14: ...14 Safety Instructions ...

Страница 15: ...gement PERC H700 and H800 Card Descriptions Table 2 1 PERC H700 and H800 Card Descriptions Card Name Card Description PERC H700 Adapter Two internal x4 SAS ports and either a battery backup unit BBU or non volatile cache NVC PERC H700 Integrated Two internal x4 SAS ports and either a BBU or NVC PERC H700 Modular One internal x4 SAS port and a BBU PERC H800 Adapter Two external x4 SAS ports and eit...

Страница 16: ...2 Red Hat Enterprise Linux version 5 5 and later 32 bit and 64 bit Red Hat Enterprise Linux version 6 0 and later 64 bit Sun Solaris10 64 bit SUSE Linux Enterprise Server version 10 SP3 and later 64 bit SUSE Linux Enterprise Server version 11 SP1 and later 64 bit VMware ESX and ESXi 4 0 Update 2 VMware ESX and ESXi 4 1 NOTE For the latest list of supported operating systems and driver installation...

Страница 17: ...large files in an environment that requires no data redundancy RAID 1 uses disk mirroring so that data written to one physical disk is simultaneously written to another physical disk RAID 1 is good for small databases or other applications that require small capacity and complete data redundancy RAID 5 uses disk striping and parity data across all physical disks distributed parity to provide high ...

Страница 18: ...8 KB 256 KB 512 KB and 1024 KB The stripes are interleaved in a repeated sequential manner The part of the stripe on a single physical disk is called a stripe element For example in a four disk system using only disk striping used in RAID 0 segment 1 is written to disk 1 segment 2 is written to disk 2 and so on Disk striping enhances performance because multiple physical disks are accessed simulta...

Страница 19: ...of Disk Mirroring RAID 1 Spanned RAID Levels Spanning is a term used to describe the way in which RAID levels 10 50 and 60 are constructed from multiple sets of basic or simple RAID levels For example a RAID 10 has multiple sets of RAID 1 arrays where each RAID 1 set is considered a span Data is then striped RAID 0 across the RAID 1 spans to create a RAID 10 virtual disk Similarly RAID 50 and RAID...

Страница 20: ...the array Stripe element 1 Stripe element 7 Stripe element 2 Stripe element 8 Stripe element 3 Stripe element 9 Stripe element 4 Stripe element 10 Stripe element 5 Parity 6 10 Parity 11 15 Parity 1 5 Stripe element 6 Stripe element 12 Stripe element 15 Stripe element 11 Stripe element 14 Stripe element 13 Stripe element 19 Stripe element 25 Stripe element 20 Stripe element 23 Stripe element 18 Str...

Страница 21: ...andwidth 3 Gbps or 6 Gbps while maintaining the same drive type SAS or SATA and technology HDD or SSD is supported Table 3 1 compares the hardware configurations for the PERC H700 andH800 cards Table 3 1 PERC H700 and H800 Card Comparisons Specification PERC H700 Adapter PERC H700 Integrated PERC H700 Modular PERC H800 Adapter RAID Levels 0 1 5 6 10 50 60 0 1 5 6 10 50 60 0 1 5 6 and 10a 0 1 5 6 1...

Страница 22: ...gh Adaptive Read Ahead No Read Ahead Read Ahead Maximum Number of Spans per Disk Group 8 8 2 8 Maximum Number of Virtual Disks per Disk Group 16 virtual disks per disk group 16 virtual disks per disk group 16 virtual disks per disk group 16 virtual disks per disk group Multiple Virtual Disks per Controller Up to 64 virtual disks per controller Up to 64 virtual disks per controller Up to 64 virtual...

Страница 23: ...ber of controllers per server 1c 1 1 2d a The RAID configurations are only supported on select Dell modular systems b Using the enclosure Hot Add feature you can hot plug enclosures to the PERC H800 adapter without rebooting the system c Only one boot controller PERC H700 is supported on a server consult the system User s Guide to determine which one is the appropriate boot controller on you syste...

Страница 24: ...ure monitors the internal performance of all motors heads and physical disk electronics to detect predictable physical disk failures The SMART feature helps monitor physical disk performance and reliability SMART compliant physical disks have attributes for which data can be monitored to identify changes in values and determine whether the values are within threshold limits Many mechanical and ele...

Страница 25: ...Check CC and BGI perform similar functions in that they both correct parity errors However CC reports data inconsistencies through an event notification but BGI does not You can start CC manually but not BGI Full Initialization of Virtual Disks Performing a full initialization on a virtual disk overwrites all blocks and destroys any data that previously existed on the virtual disk Full initializat...

Страница 26: ...ell OpenManage storage management application To start a CC using the BIOS Configuration Utility see Checking Data Consistency on page 91 You can schedule CC to run on virtual disks using a Dell OpenManage storage management application Disk Roaming Disk roaming is moving the physical disks from one cable connection or backplane slot to another on the same controller The controller automatically r...

Страница 27: ...sical disk with an existing configuration it flags the physical disk as foreign and generates an alert indicating that a foreign disk was detected CAUTION Do not attempt disk roaming during RLM or online capacity expansion OCE This causes loss of the virtual disk Perform the following steps to use disk migration 1 Turn off the system that contains the source controller 2 Move the appropriate physi...

Страница 28: ...e PERC H700 and H800 card If you are replacing your PERC 6 or H200 card with a PERC H700 or H800 card see the Hardware Owner s Manual that shipped with your system or at support dell com manuals 3 Boot the system and import the foreign configuration that is detected You can do this in two ways Press F to automatically import the foreign configuration Enter the BIOS Configuration Utility and naviga...

Страница 29: ...hen the disk subsystem has received all the data in a transaction In Write Back caching the controller sends a data transfer completion signal to the host when the controller cache has received all the data in a transaction The controller then writes the cached data to the storage device in the background The risk of using Write Back cache is that the cached data can be lost if there is a power fa...

Страница 30: ...recommended that you use a power backup system when forcing Write Back to ensure there is no loss of data if the system suddenly loses power Virtual Disk Read Cache Policies The read policy of a virtual disk determines how the controller handles reads to that virtual disk The read policies are Always Read Ahead Allows the controller to read sequentially ahead of requested data and to store the add...

Страница 31: ...er feature The second method by which OCE can be done is by adding physical disks to the disk group and using OCE to incorporate free space from the newly added disks into the virtual disk RAID Level Migration RLM refers to changing a virtual disk s RAID level Both RLM and OCE can be done at the same time so that a virtual disk can simultaneously have its RAID level changed and its capacity increa...

Страница 32: ... Yes At least one disk needs to be added for distributed parity data RAID 0 RAID 6 1 or more 4 or more Yes At least two disks need to be added for dual distributed parity data RAID 1 RAID 0 2 2 or more Yes Removes redundancy while increasing capacity RAID 1 RAID 5 2 3 or more Yes Maintains redundancy while doubling capacity RAID 1 RAID 6 2 4 or more Yes Two disks required to be added for distribut...

Страница 33: ...t spares Parity generation and checking for RAID 5 50 6 and 60 only RAID 5 RAID 6 3 or more 4 or more Yes At least one disk needs to be added for dual distributed parity data RAID 6 RAID 0 4 or more 4 or more Yes Converts to a non redundant virtual disk and reclaims disk space used for distributed parity data RAID 6 RAID 5 4 or more 4 or more Yes Removes one set of parity data and reclaims disk sp...

Страница 34: ...become a hot spare NOTE Any hot spares assigned to an encrypted Virtual Disk must also be capable of encryption SED Physical Disk Hot Swapping Hot swapping is the manual replacement of a disk while the H700 and H800 cards are online and performing their normal functions The following requirements must be met before hot swapping a physical disk The system backplane or enclosure must support hot swa...

Страница 35: ...s refer to path redundancy only and not to controller redundancy Using Replace Member and Revertible Hot Spares The Replace Member functionality allows a previously commissioned hot spare to be reverted to a usable hot spare When a disk failure occurs within a virtual disk an assigned hot spare dedicated or global is commissioned and begins rebuilding until the virtual disk is optimal After the fa...

Страница 36: ...successful Replace Member operation NOTE To enable the automatic Replace Member use the Dell OpenManage storage management application For more information on automatic Replace Member see Dell OpenManage Storage Management on page 81 NOTE For information on manual Replace Member see Replacing an Online Physical Disk on page 110 Controller Cache Preservation The controller is capable of preserving ...

Страница 37: ...n a small amount of power from a battery is used to transfer cache data to non volatile flash storage where it remains until power is restored and the system is booted Cache Data Recovery The dirty cache LED that is located on the H700 and H800 cards cannot be used to determine if cache data is being preserved If a system power loss or improper system shutdown has occurred restore system power and...

Страница 38: ... charge approximately four hours NOTE For additional information see the Dell OpenManage storage management application During the discharge phase of a learn cycle the PERC H700 or H800 battery charger is disabled and remains disabled until the battery is discharged After the battery is discharged the charger is re enabled Patrol Read The Patrol Read feature is designed as a preventative measure t...

Страница 39: ...ration then Patrol Read uses fewer resources to allow the I O to take a higher priority Patrol Read does not run on any disks involved in any of the following operations Rebuild Replace Member Full or Background Initialization CC RLM or OCE NOTE By default Patrol Read automatically runs every seven days on configured SAS and SATA hard drives Patrol Read is not necessary on SSD and is disabled by d...

Страница 40: ...40 Storage Controller Features ...

Страница 41: ...rranties and Returns Export Regulations Software License Agreement Safety Environmental and Ergonomic Instructions Regulatory Notices and Recycling Information see the Safety Environmental and Regulatory Information SERI End User License Agreement EULA and Warranty and Support Information WSI that shipped with your system Installing the PERC H700 and H800 Adapters 1 Unpack the Dell PowerEdge RAID ...

Страница 42: ...ard to the PCI E slot you have selected CAUTION Never apply pressure to the adapter module while inserting it in the PCI E slot Applying pressure could break the adapter module 6 Insert the controller gently but firmly until the controller is firmly seated in the PCI E slot For more information on installing the PERC H800 adapter see Figure 4 1 For more information on installing the PERC H700 adap...

Страница 43: ... system s chassis 8 Replace the cover of the system For more information on closing the system see the Hardware Owner s Manual shipped with your system or at support dell com manuals 9 For the PERC H800 adapter connect the cable from the external enclosure to the controller For more information see Figure 4 3 1 PCI e slot 2 PERC H700 adapter 3 filler brackets 4 bracket screw 4 3 1 2 ...

Страница 44: ...For the PERC H700 adapter connect the cables from the backplane of the system to the controller The primary SAS connector is labeled SAS_A and the secondary SAS connector is labeled SAS_B For more information see Figure 4 4 1 connector on the controller 2 cable from the external enclosure 3 system 2 3 1 ...

Страница 45: ...place the cover of the system For more information on closing the system see the Hardware Owner s Manual shipped with your system or at support dell com manuals 12 Reconnect the power and network cables and turn on the system 1 cable 2 Port B 3 Port A 4 PERC H700 adapter 5 connector 1 4 5 2 3 ...

Страница 46: ...r shutdown of the system as well as any attached storage controllers 2 Disconnect the system from the electrical outlet and remove the system cover CAUTION Running a system without the system cover installed may cause damage due to improper cooling NOTE For more information on removing peripherals installed in the system s PCI E slots see the Hardware Owner s Manual shipped with your system or at ...

Страница 47: ...ta cables and battery cable from the PERC H700 Remove any retention mechanism such as a bracket screw that might be holding the PERC H700 in the system and gently lift the controller from the system s PCI E slot 1 bracket screw 2 memory module 3 battery 4 Dirty Cache LED 5 PERC H800 Adapter 5 4 2 1 3 ...

Страница 48: ...48 Installing and Configuring Hardware Figure 4 6 Removing the PERC H700 Adapter 1 bracket screw 2 Dirty Cache LED 3 PERC H700 controller 3 1 2 ...

Страница 49: ...Remove the system cover of the Blade system 3 Remove the system board and place it on a stable and flat surface 4 Determine whether the dirty cache LED on the controller is illuminated For location of the LED see Figure 4 7 If the LED is illuminated re insert the system board replace the system cover reconnect the system to power turn on the system and repeat step 1 through step 3 If the LED is no...

Страница 50: ...tem board Align the storage controller card such that the tabs on the system board tray fit through the notches on the edges of the storage controller card 3 Slide the storage controller card towards the connector on the system board until the storage controller clicks in place 4 Reinstall the system board For more information on reinstalling the system board see your system s Hardware Owner s Man...

Страница 51: ...form a controlled reboot of the system and enter the PERC H700 BIOS Configuration Utility to ensure that there is no data present in cache See the Cache Data Recovery on page 37 for more details Later shut down the system WARNING Running a system without the system cover installed may cause damage due to improper cooling 2 Disconnect the system from the electrical outlet and remove the system cove...

Страница 52: ...52 Installing and Configuring Hardware Figure 4 8 Removing the DIMM From a PERC H700 1 DIMM support 2 dirty cache LED 3 DIMM 4 tab 5 PERC H700 Adapter 1 2 5 3 4 ...

Страница 53: ...IMM while installing the DIMM 2 If the DIMM support is not mounted onto the DIMM perform the following steps to replace the DIMM support before mounting on a PERC H700 a With the old DIMM removed from the controller press out on the DIMM support clips inserted through the DIMM rotating the DIMM support out of the DIMM See Figure 4 9 Figure 4 9 Removing the DIMM Support From the DIMM b To mount pla...

Страница 54: ...the DIMM to the physical divider on the memory socket to avoid damage to the module 4 Insert the DIMM in the memory socket Apply a constant downward pressure on both ends or the middle of the DIMM until the retention clips fall in the allotted slots on either side of the DIMM See Figure 4 11 1 DIMM 2 DIMM support 1 2 ...

Страница 55: ...Installing and Configuring Hardware 55 Figure 4 11 Installing a DIMM on a PERC H700 1 PERC H700 2 retention clip 3 memory socket 4 DIMM 5 dirty cache LED 1 2 3 4 5 ...

Страница 56: ... the system cover installed may cause damage due to improper cooling 2 Disconnect the system from the electrical outlet and remove the system cover NOTE The locations of the PERC H700 and BBU vary from system to system For more information on PERC H700 card and BBU locations see the Hardware Owner s Manual shipped with your system or see the appropriate documentation available at support dell com ...

Страница 57: ...For more information on the location of the BBU in your system and instructions on how to replace the BBU see the Hardware Owner s Manual that shipped with the system NOTE Connect the battery cable to the new BBU before mounting it to the plastic shroud in your system 5 Re connect the battery to the controller by inserting the end of the battery cable into the connector on the controller NOTE Do n...

Страница 58: ...a present in cache See Cache Data Recovery on page 37 for more details Later perform a controller shutdown of the system as well as any attached storage controllers 2 Disconnect the system from the electrical outlet and remove the system cover 3 Remove the PERC H800 Adapter from the system For more information see Removing the PERC H700 and H800 Adapters on page 46 4 Press down on the tabs at each...

Страница 59: ...Installing and Configuring Hardware 59 Figure 4 14 Removing the TBBU From a PERC H800 Adapter 1 battery 2 dirty cache LED 3 DIMM 4 PERC H800 Adapter 1 2 4 3 ...

Страница 60: ...Removing the Battery and Battery Cable From a PERC H800 Adapter 2 Unpack the new TBBU or TNVC and follow all antistatic procedures 3 Insert one end of the battery cable into the connector on the DIMM and the other end into the connector on the new battery NOTE Do not exert excessive pressure connecting the cable It is a keyed connector and it fits only one way 4 Place the top edge of the battery o...

Страница 61: ... H800 Adapter consists of the DIMM and a battery 1 Check the battery attachment to the DIMM and battery cable connection For more information see Replacing the Battery and Battery Cable Onto the DIMM of a PERC H800 Adapter on page 60 CAUTION Do not touch the gold leads and do not bend the memory module 1 connector on the DIMM 2 DIMM 3 battery 4 connector on the battery 5 battery cable 2 1 3 4 5 ...

Страница 62: ...to the module 3 Insert the DIMM in the memory socket Apply a constant downward pressure on both ends or the middle of the DIMM until the retention clips fall in the allotted slots on either side of the DIMM See Figure 4 17 Figure 4 17 Installing the TBBU on a PERC H800 Adapter 1 PERC H800 2 retention clip 3 memory socket 4 DIMM 1 2 3 4 ...

Страница 63: ...ached storage enclosures 2 Disconnect the system from the electrical outlet and remove the system cover 3 Remove the controller that has the TBBU or TNVC 4 Remove the TBBU or TNVC from the controller 5 Insert the TBBU or TNVC in the new controller For more information on installing the TBBU or TNVC see Installing the TBBU or TNVC on a PERC H800 Adapter on page 61 6 Insert the replacement controlle...

Страница 64: ... fails an alternate path exists through the second Out port on the controller and the second In port on the enclosure For more information see Figure 4 18 to Figure 4 21 NOTE The PERC H800 adapter supports redundant paths when used with Dell PowerVault MD1200 and Dell PowerVault MD1220 disk storage enclosures Perform the following steps to configure the hardware to utilize redundant paths on the P...

Страница 65: ...one enclosure Figure 4 18 Redundant Path Support Configuration With One Enclosure Figure 4 19 displays redundant path storage configuration with two enclosures Figure 4 19 Redundant Path Support Configuration With Two Enclosures Storage Storage Server Server Storage Storage Storage Storage Server Server ...

Страница 66: ... Figure 4 20 Redundant Path Support Configuration With Three Enclosures Figure 4 21 displays redundant path storage configuration with four enclosures A single PERC H800 adapter can support up to four disk storage enclosures in a redundant path configuration Storage Storage Storage Storage Storage Storage Server Server ...

Страница 67: ... system and remove the exact same cables that were added to support redundant path support leaving only one connection between the controller and enclosures After you remove the cable and power up the system ensure that there are no warning messages during boot and that all virtual disks are online and optimal If you are using Dell OpenManage see the Dell OpenManage documentation at support dell c...

Страница 68: ...68 Installing and Configuring Hardware ...

Страница 69: ...alling a driver discussed in this chapter are Installing a driver during operating system installation Use this method if you are performing a new installation of the operating system and want to include the drivers Updating existing drivers Use this method if the operating system and PERC H700 and PERC H800 family of controllers are already installed and you want to update to the latest drivers I...

Страница 70: ...m The Welcome to Dell Service and Diagnostic Utilities screen is displayed 2 Select your system model and operating system Microsoft Windows Server 2008 3 Click Continue 4 From the list of drivers displayed select the driver you require Select the self extracting zip file and click Run Copy the driver to a diskette drive CD DVD or USB drive Repeat this step for all the drivers you require 5 During...

Страница 71: ...ou need to install a third party SCSI or RAID driver is displayed in the bottom of the screen press the F6 key immediately Within a few minutes a screen is displayed asking for additional controllers in the system 3 Press the S key The system prompts for the driver media to be inserted NOTE The driver can be provided using a properly formatted USB key For additional details on the driver go the De...

Страница 72: ...dell com Installing Windows Server 2008 Windows Server 2008 R2 Windows Server 2003 for a New RAID Controller Perform the following steps to configure the driver for the RAID controller on a system that already has Windows installed 1 Turn off the system 2 Install the new RAID controller in the system For detailed instructions on installing and cabling the RAID controller in the system see Installi...

Страница 73: ...splayed NOTE The path to Device Manager might vary depending on the operating system family 5 Expand SCSI and RAID Controllers by double clicking the entry or by clicking on the plus symbol next to SCSI and RAID Controller NOTE In Windows 2008 and Windows Vista the PERC adapter is listed under Storage Controllers 6 Double click the RAID controller for which you want to update the driver 7 Click th...

Страница 74: ...tem releases in which the native in box driver is insufficient for installation In the event that an operating system is being installed with a corresponding DUD image follow the instructions below If not proceed with using the native device driver and then skip to Installing the RPM Package With DKMS Support on page 78 Creating a DUD Before beginning the installation copy the drivers from the Ser...

Страница 75: ...e for the purpose a Put a floppy disk into a USB floppy device and plug the device into a USB slot of the system under test Use dmesg to find out which device this USB floppy is enumerated to for example sdb sdc and so on b Transfer the driver image to the floppy dd if image_file_name of dev sdx NOTE You can create a driver update disk on a Windows system using the program dcopynt 3 Use the disket...

Страница 76: ...see the DKMS main page This starts the process to create the megaraid_sas DUD image After the DUD image has been built you can find it in the DKMS tree for the megaraid_sas driver See the output of the dkms mkdriverdisk command for the exact path Installing Red Hat Enterprise Linux Operating System Using the DUD Perform the following steps to install Red Hat Enterprise Linux versions 4 and 5 and t...

Страница 77: ...ays three options Yes No and File Choose Yes to install the driver 3 Select Installation from the menu 4 Press Enter to load the Linux kernel 5 At the prompt Please insert the driver update floppy click OK The system selects the driver from the diskette and installs it The system then displays the message DRIVER UPDATE ADDED with the description of the driver module 6 Click OK If you want to insta...

Страница 78: ...t the driver has been loaded with the following system commands modinfo megaraid_sas and dkms status Upgrading the Kernel When upgrading to a new kernel you must reinstall the DKMS enabled driver packages Perform the following steps to update or install the driver for the new kernel 1 In a terminal window type the following dkms build m module_name v module version k kernel version dkms install m ...

Страница 79: ...port dell com The package is a gzipped tar file Download the package to a Solaris system and perform the following steps 1 Extract the package contents gunzip c driver_package tgz tar xvf 2 Use the dd command to create a driver update disk Use the appropriate image for the purpose Type dd if mega_sas img of diskette drive device node bs 32k NOTE If you are uncertain which device node corresponds t...

Страница 80: ...iskette from the mega_sas img file and you are using a removable USB diskette drive 6 Follow instructions presented by Driver Update installer 7 The following message is displayed Installation of megasas was successful 8 Select e to end 9 Follow the instructions on the screen to complete installation Adding or Updating the Driver to an Existing System 1 To add the mega_sas driver to an existing sy...

Страница 81: ...figuring a system s locally attached RAID and non RAID disk storage The Dell OpenManage storage management application enables you to perform controller and enclosure functions for all supported RAID controllers and enclosures from a single graphical or command line interface without requiring the use of the controller BIOS utilities The graphical user interface GUI is wizard driven with features ...

Страница 82: ...to information The refresh occurs when you press F5 or every 15 seconds Entering the BIOS Configuration Utility Perform the following steps to enter the BIOS Configuration Utility when you boot the system 1 Turn on the system A BIOS screen displays information about the controller and configuration 2 During startup press Ctrl R when prompted by the BIOS screen After you press Ctrl R if there is on...

Страница 83: ...en a submenu move from a menu heading to the first submenu or move to the first item in that submenu If you press the right arrow key at a menu heading the submenu expands Press it again to go to the first item in the submenu The right arrow key is also used to close a menu list in a popup window Word wrap is supported Start Programs left arrow key Use the left arrow key to close a submenu move fr...

Страница 84: ...t it Select Add New VD and press Enter to create a new virtual disk Esc After you expand a pop up window press Esc to close the window You can continue to press Esc to exit the BIOS Configuration Utility Press Esc to return to the VD Mgmt screen Tab Press Tab to move the cursor to the next control on a dialog box or page Press Tab to move the cursor to the next parameter you want to change Shift T...

Страница 85: ... Press Ctrl P to move to the previous menu screen among the main menu screens VD Mgmt PD Mgmt Ctrl Mgmt and Foreign View Press Ctrl P on the PD Mgmt screen to return to the VD Mgmt screen F1 Press F1 to access Help information The Help screens display a glossary of topics you can use to access information about navigation RAID levels and general topics F1 F2 Press F2 to access the context menu whi...

Страница 86: ...Parameters and Descriptions Parameter Description RAID Level RAID Level specifies whether the virtual disk is RAID 0 1 5 6 10 50 or 60 The number of disks disk capacity the requirements for fault tolerance performance and capacity should be considered when selecting the RAID level For more information see Summary of RAID Levels on page 17 Stripe Element Size Stripe Element Size specifies the size ...

Страница 87: ... the host when the disk subsystem has received all the data in a transaction Read Policy Read Ahead enables the read ahead feature for the virtual disk You can set the parameter to Read Ahead No Read Ahead or Adaptive The default is Adaptive Read Ahead Read Ahead specifies that the controller uses Read Ahead for the current virtual disk Read Ahead capability allows the controller to read sequentia...

Страница 88: ...ller 2 Use the arrow keys to highlight Controller or Disk Group 3 Press F2 The list of available actions is displayed 4 Select Create New VD and press Enter The Create New VD screen is displayed The cursor is on the RAID Levels option When adding a virtual disk to a Disk Group the Add VD in Disk Group screen is displayed Skip to step 11 to change the basic settings of the virtual disk 5 Press Ente...

Страница 89: ...e read policy and write policy You can also choose advanced options such as forcing the cache policy to Write Back initializing the virtual disk and configuring a dedicated hot spare The defaults parameters are displayed You can accept the defaults or change them For detailed information about the virtual disk parameters see Virtual Disk Parameters and Descriptions on page 86 16 Perform the follow...

Страница 90: ... to Initialize and press Enter CAUTION Do not initialize virtual disks when attempting to recreate an existing configuration NOTE The initialization performed at the stage is fast initialization k Press Tab to move the cursor to Configure HotSpare and press Enter NOTE The hot spare created at the stage is a dedicated hot spare l If you have chosen to create hot spares in the earlier steps a pop up...

Страница 91: ...or PERC H800 cards support up to 64 virtual disks per controller The currently configured virtual disks display on the screen Checking Data Consistency Select the Consistency Check CC option in the configuration utility to verify the redundancy data in virtual disks that use RAID levels 1 5 6 10 50 and 60 RAID 0 does not provide data redundancy If you attempt to run a Consistency Check on a virtua...

Страница 92: ... on adapter In addition a foreign configuration is displayed on the right side of the Ctrl Mgmt screen You can use the VD Mgmt menu to import the existing configuration to the RAID controller or clear the existing configuration In addition you can view the foreign configuration from the Foreign View tab without importing the configuration NOTE The controller does not allow an import of configurati...

Страница 93: ... configuration the configuration on those disks is considered a foreign configuration by the RAID controller You can use the Foreign Configuration View screen to view information about the foreign configuration such as disk groups virtual disks physical disks space allocation and hot spares The foreign configuration data is displayed in the same format as configurations on the VD Mgmt screen You c...

Страница 94: ...iguration View to display the foreign configuration information on the Foreign Configuration View screen b Press F2 to display the options Import Clear NOTE You must have all the disks in the system before you perform the import operation c Select Import to import the foreign configuration to the controller or select Clear to delete the foreign configuration s from the re inserted disk s In the Pr...

Страница 95: ...you select Import all drives that were pulled before the virtual disk became offline are imported and then automatically rebuilt NOTE Start a consistency check immediately after the rebuild is complete to ensure data integrity for the virtual disks For more information about checking data consistency see Checking Data Consistency on page 91 3 If the physical disks in a non redundant virtual disk a...

Страница 96: ...you discard the preserved cache Otherwise you might lose data that belongs with the foreign configuration Perform the following steps to select whether to import the virtual disk or discard the preserved cache 1 On the VD Mgmt screen click on a controller icon 2 Press F2 to display the menu of available actions 3 Select Manage Preserved Cache A message is displayed advising you to import the forei...

Страница 97: ... equal or greater size to be selected as dedicated hot spare 3 Use the following instructions to create or delete a dedicated hot spare Creating a dedicated hot spare a Press the down arrow key to highlight an available physical disk b Press the spacebar to select the disk c Repeat step a to step b for each dedicated hot spare that you want to create An X is displayed beside the selected physical ...

Страница 98: ...y for the Disk Group in the VD Mgmt screen The total amount of free space available in the Disk Group is displayed Deleting Disk Groups You can delete disk groups using the BIOS Configuration Utility When you delete a disk group the utility also removes the virtual disks in that disk group To delete disk groups perform the following steps in the BIOS Configuration Utility 1 Press Ctrl N to access ...

Страница 99: ...ect NO to delete the virtual disks or YES to retain the existing configuration BIOS Configuration Utility Menu Options The first menu that is displayed when you access the BIOS Configuration Utility is the main menu screen It lists the controller controller number and other information such as the slot number On the screen you can use the arrow keys to select the RAID controller you want to config...

Страница 100: ... The left panel displays the menus for the virtual disk management which are Controller Disk Group Virtual Disks Physical Disks Total Free Capacity virtual disk size and free space you can use to create a virtual disk Hot Spares global and dedicated The right panel displays detailed information for the selected controllers disk groups virtual disks physical disks total free capacity and hot spares...

Страница 101: ...n the virtual disk Number of free segments Number of dedicated hot spares Virtual Disk Virtual Disk Properties RAID level 0 1 5 6 10 50 or 60 RAID status of the virtual disk Failed Degraded Partially Degraded or Optimal Operation currently in progress Disk Group Properties Number of virtuals disks VD Number of physical disks PD Space available on the physical disks Number of free segments Number o...

Страница 102: ...ot Position Disk Group Properties Number of virtuals disks VD Number of physical disks PD Space available on the physical disks Number of free segments Number of dedicated hot spares Total Free Capacity Disk Group Properties Number of virtuals disks VD Number of physical disks PD Space available on the physical disks Number of free segments Number of dedicated hot spares Table 6 3 Information on t...

Страница 103: ...Position Slot Position Disk group properties Number of virtuals disks VD Number of physical disks PD Space available on the physical disks Number of free segments Number of dedicated hot spares Table 6 3 Information on the Virtual Disk Management Screen continued Menu Item Selected in Left Panel Information Displayed in Right Panel ...

Страница 104: ...Full Initialization Check data consistency on a virtual disk Verifies the correctness of the redundancy data in the selected virtual disk The option is available only if RAID level 1 5 6 10 50 or 60 is used The PERC H700 or PERC H800 cards automatically correct any differences found in the data Display or update virtual disk parameters Displays the properties of the selected virtual disk You can m...

Страница 105: ...LED to blink Making a disk online or offline unaffiliated with a disk group Creating global hot spares Removing dedicated hot spares or global hot spares The PD Mgmt screen also displays several physical disk properties as shown in Table 6 5 Table 6 5 Information on the Physical Disk Management Screen Information Displayed in Left Panel Supported Information Displayed in Right Panel Physical Disk ...

Страница 106: ...port dell com manuals Table 6 6 Physical Disk Actions Action Description Rebuild Regenerates all data to a replacement disk in a redundant virtual disk RAID level 1 5 6 10 50 or 60 after a disk failure A disk rebuild normally occurs without interrupting normal operations on the affected virtual disk Replace Member Replaces the disk in the virtual disk with another disk that can be selected LED Bli...

Страница 107: ... controller BIOS If the boot device is on the RAID controller the BIOS must be enabled Disable the BIOS to use other boot devices In a multiple controller environment you can enable BIOS on multiple controllers However if you want to boot from a specific controller then enable the BIOS on that controller and disable it on the other controllers The system can then boot from the BIOS enabled control...

Страница 108: ...page 93 contains the procedures you can use to manage the foreign configurations NOTE The BIOS Configuration Utility reports error codes for failed imports of foreign configurations Physical Disk Management Setting LED Blinking The LED blinking option indicates when physical disks are being used to create a virtual disk You can choose to start or stop the LED blinking Perform the following steps t...

Страница 109: ...S and press Enter The physical disk is changed to a global hot spare The status of the physical disk as a global hot spare is displayed under the heading State NOTE To replace a failed physical disk global hot spares must use the same disk technology and must be equal or greater in size 5 Select additional physical disks if desired and follow the previous steps to change them to global hot spares ...

Страница 110: ...place any physical disk that is part of a virtual disk using the Replace Member functionality Perform the following steps to replace a physical disk 1 In the Virtual Disk Management window select Virtual Disk and press the down arrow key until Physical Disks is highlighted 2 Press the right arrow key to expand the list of physical disks that are members of the virtual disk 3 Press the down arrow k...

Страница 111: ...guration Utility displays a message if you want to stop BGI in progress An alert message is displayed if BGI is in progress and you start any of the following actions A Full Initialization on the virtual disk A Fast Initialization on the virtual disk A Consistency Check on the virtual disk The following alert message is displayed The virtual disk is undergoing a background initialization process W...

Страница 112: ...ual disks are deleted until the rebuild is complete Controller Management Enabling Boot Support NOTE See your system documentation to ensure the proper boot order is selected in the system BIOS In a multiple controller environment you can enable BIOS on multiple controllers However if you want to boot from a specific controller enable the BIOS on that controller and disable it on the other control...

Страница 113: ... enable BIOS Stop on Error 1 Press Ctrl N to access the Ctrl Mgmt menu screen 2 Press Tab to move the cursor to Enable BIOS Stop on Error in the Settings box 3 Press the spacebar to select Enable BIOS Stop on Error An X is displayed beside Enable BIOS Stop on Error 4 Press Tab to move the cursor to the Apply button and then press Enter to apply the selection The controller BIOS is enabled To disab...

Страница 114: ... Factory Default Settings You can use the Ctrl Mgmt menu screen to restore the default settings for the options in the Settings box The settings are Enable Controller BIOS Enable BIOS Stop on Error and Enable Auto Import Perform the following steps to restore default settings 1 Press Ctrl N to access the Ctrl Mgmt menu screen 2 Press Tab to move the cursor to the Settings box 3 Use the spacebar to...

Страница 115: ...hard disk drive HDD based disk groups with the assistance of SSD technology CacheCade Virtual Disk Characteristics The CacheCade feature has the following characteristics Support for CacheCade virtual disks exists only on controllers containing 1 GB of Non Volatile NV Cache CacheCade virtual disks can only be created with SSDs The maximum combined size of CacheCade virtual disks is 512 GB NOTE Mul...

Страница 116: ...nformation on the management applications see Configuring and Managing RAID on page 81 CacheCade Virtual Disk Management The Virtual Disk Management screen is the first screen that is displayed when you access a RAID controller from the main menu screen on the BIOS Configuration Utility The following are CacheCade related actions you can perform through the virtual disk management menu Create Cach...

Страница 117: ...elect the desired SSD s As each new SSD is selected the CacheCade Virtual Disk Size changes to reflect the new size NOTE You cannot specify the size of the virtual disk 7 Press Tab to move the cursor to the CacheCade Virtual Disk Name field Enter a name if required 8 After you specify the virtual disk name select OK to save the selection or select Cancel to cancel the selection After the CacheCade...

Страница 118: ...Disks In operating system management applications the resizing of CacheCade virtual disks occurs without stopping any existing I Os Creating a new CacheCade virtual disk or adding one or more SSDs to an existing CacheCade virtual disk increases the total cache size The new resources are immediately used after the addition There are two methods to reconfigure CacheCade virtual disks Automatic recon...

Страница 119: ...s lost NOTE Disks inserted into a CacheCade hot slot must be equal to or greater than the smallest contributing disk in the virtual disk Manual Resizing of CacheCade Virtual Disks In operating system management applications a manual resizing of a CacheCade virtual disk occurs due to the addition or removal of drives Reboot is not be necessary Any number of SSDs can be added to a CacheCade virtual ...

Страница 120: ...120 CacheCade ...

Страница 121: ...n your system 2 Create LKM a security key Configuring and Managing Secured Virtual Disks The Dell OpenManage storage management application and the controller s BIOS Configuration Utility Ctrl R allow security keys to be created and managed as well as the creation of secured virtual disks The following sections describe the menu options specific to security key management and provide detailed inst...

Страница 122: ...ical disk information and action menus Physical Disk Security Actions The following are security related actions you can perform through the physical disk management menu Instant Secure Erase Resets the security attributes of the SED rendering existing data inaccessible For more information on the Physical Disk Management screen see Physical Disk Management on page 108 Security Key Management Loca...

Страница 123: ...w keys to highlight Security Key Management 4 Press F2 to display the actions you can perform 5 Select Create Key and press Enter The Create Security Key screen is displayed The cursor is at the Security Key Identifier 6 Enter an identifier for your security key NOTE The Security Key Identifier is a user supplied clear text label used to associate the correct security key with the controller 7 Pre...

Страница 124: ... Security Key Management 4 Press F2 to display the actions you can perform 5 Select Change Key and press Enter 6 The Change Security Key screen is displayed The cursor is at the Security Key Identifier Enter an identifier for your Security Key 7 Press Tab to enter a new passphrase NOTE You must provide the current passphrase in order to change the security key on the controller 8 Press Tab and sel...

Страница 125: ...agement screen is displayed for the selected controller 3 Use the arrow keys to highlight Security Key Management 4 Press F2 to display the actions you can perform 5 Select the Delete key and press Enter Creating Secured Virtual Disks To create a secured virtual disk the controller must have a security key established first See Create Key on page 122 NOTE Combining SAS and SATA hard drives within ...

Страница 126: ...number 4 Press F2 to display a menu of the available actions 5 Highlight the Secure Disk Group option and press Enter NOTE If you select to secure a Disk Group all virtual disks part of the Disk Group are secured Importing or Clearing Secured Foreign Configurations and Secure Disk Migration Secured virtual disks created on a PERC H700 or H800 card can be migrated to another PERC H700 or H800 card ...

Страница 127: ...anagement screen is displayed for the selected controller 3 Press F2 to display a menu of available actions 4 Select Import to import the foreign configuration or Clear to delete the foreign configuration Press Enter NOTE To Clear you need to Instant Secure Erase foreign configurations secured with a different security key 5 If you select to Import the configuration the Secure Foreign Import scree...

Страница 128: ... bottom of the menu 5 Press Enter to Secure Erase the physical disk and select YES Troubleshooting Security Key Errors Secured Foreign Import Errors A foreign configuration is a RAID configuration that already exists on a replacement physical disk that you install in a system A secured foreign configuration is a RAID configuration that was created under a different security key There are three sce...

Страница 129: ... is not utilized in the actual encryption of data If a security key is present both secured and unsecured virtual disks may exist To delete the security key you must have a previously established security key present on the controller and there can not be any configured secured disks If there are configured secured disks remove or delete them Failure to Instant Secure Erase Task on Physical Disks ...

Страница 130: ...130 Security Key and RAID Management ...

Страница 131: ...s and Warnings Error Message Probable Cause Corrective Action A discovery error has occurred please power cycle the system and all the enclosures attached to this system The message indicates that discovery did not complete within 120 seconds The SAS cables for your system might be improperly connected Check the cable connections and restart the system There are X enclosures connected to connector...

Страница 132: ...ecause the data integrity cannot be guaranteed To resolve this problem allow the battery to charge fully If the issue persists the battery or adapter DIMM might be faulty contact Dell Technical Support The following virtual disks have missing disks x If you proceed or load the configuration utility these virtual disks will be marked OFFLINE and will be inaccessible Please check your cables and ens...

Страница 133: ...sks are missing x If you proceed or load the configuration utility these virtual disks will be removed from your configuration If you wish to use them at a later time they will have to be imported If you believe these virtual disks should be present please power off your system and check your cables to ensure all disks are present Press any key to continue or C to load the configuration utility Th...

Страница 134: ...rly connected Check the cable connections and restart the system Use the Ctrl R utility to import the virtual disk or discard the preserved cache For the steps to manage preserved cache see Managing Preserved Cache on page 96 Entering the configuration utility in this state will result in drive configuration changes Press Y to continue loading the configuration utility or please power off your sys...

Страница 135: ...he virtual disk Int 13h is an interrupt signal that supports numerous commands that are sent to the BIOS then passed to the physical disk The commands include actions you can perform with a physical disk such as reading writing and formatting Enable the ROM option Adapter at Baseport xxxx is not responding where xxxx is the baseport of the controller Contact Dell Technical Support Table 9 1 BIOS E...

Страница 136: ...Offline where x is the number of virtual disks failed This warning is displayed when the BIOS detects virtual disks in the offline state You must check to determine why the virtual disks failed and correct the issue The BIOS does not take any action x Virtual Disk s Degraded where x is the number of virtual disks degraded This message is displayed when the BIOS detects virtual disks in a degraded ...

Страница 137: ...issue persists the battery or adapter DIMM might be faulty contact Dell Technical Support Firmware is in Fault State Contact Dell Technical Support Foreign configuration s found on adapter Press any key to continue or C to load the configuration utility or F to import foreign configuration s and continue When a controller firmware detects a physical disk with existing foreign metadata it flags the...

Страница 138: ...f you insert a physical disk that was previously a member of a virtual disk in the system and that disk s previous location has been taken by a replacement disk through a rebuild you must manually remove the foreign configuration flag of the newly inserted disk Previous configuration s cleared or missing Importing configuration created on XX XX XX XX Press any key to continue or C to load the conf...

Страница 139: ... errors are serious as they cause data corruption and data loss In case of MBE errors contact Dell Technical Support NOTE A similar message is displayed when multiple single bit ECC errors are detected on the controller during bootup Multibit ECC errors were detected on the RAID controller The DIMM on the controller needs replacement If you continue data corruption can occur Press X to continue or...

Страница 140: ...ed Verify the connection and allow 30 minutes for charging If the battery is properly connected and it has not returned to operational state after 30 minutes of charging then contact technical support for additional assistance NOTE This message may appear for controller without battery depending on the virtual disks policies The controller battery is missing or currently inaccessible Contact Dell ...

Страница 141: ...om the memory errors Single bit memory errors can be handled by the controller and do not disrupt normal operation A notification is sent if the number of single bit errors exceeds a threshold value Multi bit errors are more serious as they result in corrupted data and data loss The following are the actions that occur in the case of multi bit errors If a multi bit error occurs while accessing dat...

Страница 142: ...has a yellow bang exclamation mark Reinstall the driver For more information on reinstalling drivers see Driver Installation on page 69 The device does not appear in the Device Manager Turn off the system and reseat the controller No Hard Drives Found message is displayed during a media based installation of Microsoft Windows Server 2003 because of the following causes The corresponding solutions ...

Страница 143: ...l com Cannot rebuild a fault tolerant virtual disk NOTE For more information see the alert log for virtual disks The replacement disk is too small or not compatible with the virtual disk Replace the failed disk with a compatible good physical disk with equal or greater capacity Fatal error s or data corruption s are reported when accessing virtual disks Contact Dell Technical Support One or more p...

Страница 144: ... disks 2 Ensure that all the disks are present in the enclosure 3 Turn on the system and enter the Ctrl R utility and import the foreign configuration Press F at the prompt to import the configuration or press C to enter the BIOS configuration utility and either import or clear the foreign configuration If the virtual disk is redundant and transitioned to Degraded state before going Offline a rebu...

Страница 145: ...e goes back to Hotspare state and the virtual disk goes to Failed state A virtual disk fails during rebuild while using a dedicated hot spare The dedicated hot spare goes to Ready state and the virtual disk goes to Failed state A physical disk fails during a reconstruction process on a redundant virtual disk that has a hot spare The rebuild operation for the inaccessible physical disk starts autom...

Страница 146: ... rebuild starts with the hot spare after the disk is forced offline 3 Replace it with a new physical disk of equal or higher capacity 4 Perform the Replace Member operation The Replace Member operation allows you to copy data from a source physical disk of a virtual disk to a target physical disk that is not a part of the virtual disk For more information about the Replace Member feature see Using...

Страница 147: ...ve Action The source disk fails during the Replace Member operation If the source data is available from other disks in the virtual disk the rebuild begins automatically on the target disk using the data from the other disks Target disk fails If the target disk fails the Replace Member operation aborts Other disks fail If the target disk fails and the Replace Member operation aborts but the source...

Страница 148: ...anages 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 108 for more information about Write Through...

Страница 149: ...ew kernel is the native driver of the new kernel The driver package you installed previously in the new kernel does not take effect in the new kernel Perform the following procedure to make the driver auto build into the new kernel 1 Type dkms build m module_name v module version k kernel version 2 Type dkms install m module_name v module version k kernel version 3 Type the following to check whet...

Страница 150: ...he user application User applications attempt to direct Command Descriptor Blocks to RAID volumes The error message does not effect the feature functionality The Mode Sense Select command is supported by firmware on the controller However the Linux kernel daemon issues the command to the virtual disk instead of to the driver IOCTL node This action is not supported Table 9 7 Linux Operating System ...

Страница 151: ...er in your enclosure has two LEDs an activity LED green and a status LED bicolor green amber as shown in Figure 9 1 The activity LED is active whenever a disk is being accessed while the status LED indicates when a disk is being spun up is rebuilding or is in a fault state Figure 9 1 Disk Carrier LED Indicators 1 activity LED 2 status LED 2 1 ...

Страница 152: ...152 Troubleshooting ...

Страница 153: ...Regulatory Notices 153 A Regulatory Notices For additional regulatory information please go to the Regulatory Compliance Homepage on dell com at the following location dell com regulatory_compliance ...

Страница 154: ...154 Regulatory Notices ...

Страница 155: ... Taiwan Only Pursuant to Article 11 of the Commodity Inspection Act Dell provides the following corporate contact details for the certified entity in Taiwan for the products addressed by this document Dell B V Taiwan Branch 20 F No 218 Sec 2 Tung Hwa S Road Taipei Taiwan ...

Страница 156: ...156 Corporate Contact Details Taiwan Only ...

Страница 157: ...still evaluated for possible sequential operation Array A grouping of physical disks that combines the storage space on the physical disks into a single segment of contiguous storage space The RAID controller can group physical disks on one or more channels into an array A hot spare disk does not participate in an array B Background Initialization Background initialization is the automatic check f...

Страница 158: ...ntly accessed data Using cache speeds subsequent access to the same data It is most often applied to processor memory access but also can be used to store a copy of data accessible over a network When data is read from or written to main memory a copy is also saved in cache memory with the associated main memory address The cache memory software monitors the addresses of subsequent reads to see if...

Страница 159: ...parity data for each stripe For RAID 1 and RAID 10 arrays this operation verifies correct mirror data for each stripe Controller See Adapter Card on page 157 Controller Bound Security Configuration An encryption configuration whereby the controller encrypts the security key using an internal algorithm before storing it internally in the NVData The controller always understands how to decrypt the k...

Страница 160: ...ng technique to predict the address of the next memory location to be accessed and allows two data transfers on each clock cycle Disk A non volatile randomly addressable rewriteable mass storage device including both rotating magnetic and optical storage devices and solid state storage devices or non volatile electronic storage elements Disk Array A collection of disks from one or more disk subsys...

Страница 161: ...MS creates a framework in which kernel dependent module source can reside so that it is easy to rebuild modules as you upgrade kernels DKMS is used in the upgrade process for drivers for Red Hat Linux and SUSE Linux Enterprise Server DUD Driver Update Diskette A DUD is an image of a diskette stored as a regular file To use it you have to create the content to a real diskette from this file The ste...

Страница 162: ...dia component indicating that its data has been obfuscated using an algorithm that relies on an encryption key Encryption Capable Indicates that a component can be encrypted Encryption Enabled Disabled Indicates wether an encryption capable media component is encrypted Encryption Key The key used to obfuscate the data in an encryption enabled media component Exclusive OR A Boolean operation used t...

Страница 163: ...gn Configuration A RAID configuration that already exists on a replacement physical disk that you install in a system You can import the existing configuration to the RAID controller or clear it so you can create a new one G GB Gigabyte s A gigabyte equals 1 024 megabytes or 1 073 741 824 bytes 2 30 bytes H Host System Any system on which the RAID controller is installed Servers and workstations c...

Страница 164: ... erasing all data permanently on an encryption capable physical disk and resetting the security attributes K Key Identifier The user supplied clear text label used to associate the correct security key with the controller Examples Encryption Key Identifier Security Key Identifier L Load Balancing Load Balancing a feature that is enabled with a redundant path configuration on the PERC H800 card ens...

Страница 165: ...oller does not read sequentially ahead of requested data and store the additional data in cache memory anticipating that the data is needed soon No Read Ahead is most effective when accessing random data Non Redundant Virtual Disk A non redundant virtual disk is one which does not have redundant data on physical disks that can be used to rebuild a failed physical disk A RAID 0 virtual disk is a no...

Страница 166: ... adding an additional physical disk while the host system is active and without affecting data availability Operating Environment An operating environment can include the host system where physical disks are attached any I O buses and controllers the host operating system and any additional software required to manage the virtual disk P Parity An extra bit added to a byte or word to reveal errors ...

Страница 167: ...ansmit data generally across a network or when communicating with storage subsystems Low level protocols define the electrical and physical standards to be observed bit and byte ordering and the transmission and error detection and correction of the bit stream High level protocols deal with the data formatting including the message syntax the terminal to system dialogue character sets sequencing o...

Страница 168: ... have installed the operating system SAS RAID Storage Manager configures monitors and maintains the PERC H700 card battery backup units and other devices running on a system Read Ahead A memory caching capability in some controllers that allows them to read sequentially ahead of requested data and store the additional data in cache memory anticipating that the additional data is required soon Read...

Страница 169: ...communication between the controller and the enclosure Redundant Virtual Disk A redundant virtual disk is one which has redundant data on physical disks in the disk group that can be used to rebuild a failed physical disk A virtual disk can use disk striping across the physical disks disk mirroring or parity to provide redundancy This offers protection in case of a physical disk failure Replace Me...

Страница 170: ...oftware on your system RPMs are used in the driver update procedures for Red Hat Enterprise Linux and SUSE Linux Enterprise Server SLES S SAS Serial Attached SCSI SAS is a serial point to point enterprise level device interface that leverages the proven Small Computer System Interface SCSI protocol set The SAS interface provides improved performance simplified cabling smaller connectors lower pin ...

Страница 171: ...pable physical disk Single Bit ECC Errors ECC stands for error correcting code ECC errors are errors that occur in the memory which can corrupt cached data so that it has to be discarded Single bit ECC errors can be handled by the firmware and do not disrupt normal operation A notification is sent if the number of single bit errors exceeds a threshold value SMART The self monitoring analysis and r...

Страница 172: ...mory to store data as opposed to traditional rotational hard drives SSDs can be made to use either the SAS or SATA protocol SSP Serial SCSI Protocol SSP enables communication with other SAS devices Each PHY on the SAS controller can function as an SSP initiator or SSP target STP Serial Tunneling Protocol STP enables communication with a SATA device through an attached expander Each PHY on the SAS ...

Страница 173: ...encrypts the security key with the passphrase and then stores it in the NVData The controller cannot decrypt the security key without the passphrase The controller prompts the user for the passphrase on every boot V Virtual Disk A virtual disk refers to storage created by a RAID controller from one or more physical disks Although a virtual disk may be created from several physical disks it is seen...

Страница 174: ... Write Through In Write Through caching mode the controller sends a data transfer completion signal to the host when the disk subsystem has received all the data and has completed the write transaction to the disk ...

Страница 175: ...isk management 105 starting 82 virtual disk management 100 C cache 158 compatibility with existing RAID controllers 24 Consistency Check 26 consistency check 91 104 159 controller 159 169 controller management 107 D disk groups deleting 98 disk migration 27 disk mirroring 19 Disk roaming 26 disk roaming 26 disk striping 18 display update parameters 104 distributed parity 161 driver diskette 69 dri...

Страница 176: ...ting systems 16 P parity 19 166 distributed 161 Patrol Read 38 PCI architecture 16 PERC overview 15 PERC 6 controller descriptions 15 PERC H700 H800 Card Descriptions 15 supported operating systems 16 physical disk actions 106 physical disks actions 106 management 105 post error messages 131 R RAID 164 configuration 81 configuration and management 81 configuration functions 85 configuration inform...

Страница 177: ...ette 76 replacement disk 169 S safety instructions for preventing ESD 12 SAS 170 controller descriptions 15 overview 15 SATA 170 SMART technology 24 spare 172 stripe element size 86 T troubleshooting 131 general problems 142 physical disk issues 143 post error messages 131 SMART error 146 147 V virtual disks deleting 98 management 100 menu options 104 107 parameters 86 setting up 107 108 W write p...

Страница 178: ...178 Index ...

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