Dell SCSI 6/IR manuale d’uso

www .dell.com | support.dell.com Dell™ Serial-Attached SCSI 6/iR Integrated and Adapter User’ s Guide book.book Page 1 Wednesda y, July 25, 2007 10:58 AM[...]

Notes, Notices, and Cautions NOTE: A NOTE indicates important i nformation that helps you make better use of your computer . NOTICE: A NOTICE indicates either potential da mage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for propert y damage, personal injury , or death. ______________[...]

Contents 3 Contents CAUTION: Safety Instructions . . . . . . . . . . . . . . . . . . . . . 7 SAFETY : General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 SAFETY : When Working Inside Y our Sy stem . . . . . . . . . . . . . . . . . . . 7 SAFETY : Protecting Against Electrostatic Discharge . . . . . . . . . . . . . . . 8 1 O[...]

4 Contents Installing the Red Hat Linux Driver . . . . . . . . . . . . . . . . . . . . . . . 22 Creating a Driver Diskette . . . . . . . . . . . . . . . . . . . . . . . . . 22 Installing the Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Installing the Drive r Using an Update RPM . . . . . . . . . . . . . . . . . 23 Installing [...]

Contents 5 6 T roubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 BIOS Boot Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 General Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Phy sical Disk Related Issues . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Con[...]

6 Contents book.book Page 6 Wednesda y, July 25, 2007 10:58 AM[...]

Safety Instructions 7 CAUTION: Safety Instructions Use the following safety guidelines to help ensure your own personal safety and to help protect your system and working environment from potential damage. NOTE: See the caution and safety statements in your Dell™ PowerEdge™ sy stem or Dell Precision™ workstation . SAFETY : General • Observe[...]

8 Safety Instructions In addition, take note of thes e safety guidelines when appropriate: • When you disconnect a cable, pull on its conn ector or on its strain-relief loop, not on the cable itself. Some cables have a connector with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs befor e disconnecting the [...]

Overview 9 Overview The Dell™ Serial-Attached SCSI (SAS) 6/iR control ler is Dell’s next generation controller with integrated redundant array of independent disk s (R AID) capabilities. SAS technology is not backward compatible with the pr evio us generation of SAS or SCSI de vices. The SAS 6/iR Adapter is a half-length, standard-height PC I-E[...]

10 Overview About RAID R AID is a group of multiple indep endent physical disks that provide high performance by increasing the number of drives used for saving and accessing da ta. A R AID disk subsystem improves I/O performance and data availability . The physical disk group appears to the host system as a single storage unit or as multiple logic[...]

Overview 11 Integrated Mirroring W ith Integrated Mirroring (RAID 1), data written to one disk is simultaneously written to another disk. If one disk fails, the contents of the other disk ca n be used to run the system and rebuild the failed physical disk. The primary advantage of Integrated Mirroring is that it provides 100 percent data redundancy[...]

12 Overview book.book Page 12 Wednesday, July 25, 2007 10:58 AM[...]

SAS 6/iR Features 13 SAS 6/iR Features This section provides the specifications of Dell™ Serial-Attached SCSI (SAS ) 6/iR controller . The following table compares the specifications of the SAS 6/iR Adapter and SAS 6/iR Integrated. T able 2-1. Specifications of SAS 6/iR Specification SAS 6/iR Adap ter SAS 6/iR Integrated SAS technology Y es Y es [...]

14 SAS 6/iR Features Hot add / Hot remove of end devices Y es System dependent SMAR T error support through management applications Ye s Ye s Backplane supported systems Y es Y es Hardwar e-based RAID RAID 0, R AID 1 R AID 0, RAID 1 Maximum number of virtual disks 2 2 Storage management softw are OpenManage™ Storage Services, SAS RAID Storage Man[...]

Hardware Installation 15 Hardware Installation This chapter describes how to install the De ll™ Serial-Attached SCSI (SAS) 6/iR Adapter . NOTE: The SAS 6/iR Integrated is embedded on the sy stem motherboard and does not require any installation. See your sy stem’ s Hardware Owner’ s Manual or the User’ s Guide for instructions. Installing t[...]

16 Hardware Installation Figure 3-1. Installing a SAS 6/iR Adapter 7 Tighten the brack et screw , if any , or use the syste m’s retention clips to secu re the controller to the system’s chassis. 8 Connect the cables from the end devices or the backplane of the system to the controller . See F igure 3-2. 1 bracket scr e w 2 SAS 6/iR Adapter 3 PC[...]

Hardware Installation 17 Figure 3-2. Connecting the Cable 9 Replace the cover of the system. See your system’s Hardware Owner’s Manual or the User ’s Guide for more information on closing the system. 10 Reconnect the power cable(s) and network cables, and then turn on the system. 1 SAS 6/iR Adapter 2 SAS x4 internal connector 3 cable 3 1 2 bo[...]

18 Hardware Installation book.book Page 18 Wednesday, July 25, 2007 10:58 AM[...]

Driver Installation 19 Driver Installation The Dell™ Serial-Attached SC SI (SAS) 6/iR controller requir es software drivers to operate with Microsoft ® W indows ® , Red Hat ® Linux ® , and SUSE ® Linux operating systems. This chapter contains the procedures for installi ng the drivers for the fo llowing operating systems: • Microsoft W ind[...]

20 Driver Installation Installing the Driver During Windows Operating Sy stem Installation NOTE: Y ou do not need to provid e a driver to install the Windows Vista operating sy stem as the driver is native to this operating sy stem. T o install the driver during Wind ows operating system installation: 1 Boot the system using the Microsoft ® W indo[...]

Driver Installation 21 4 The F ound New Hardware wizard appears and displays the detected har dware device. NOTE: In some Windows operating sy stems, the initial Found New Hardware screen may request to connect to the Internet in order to find the appropr iate driver for the fou nd device. Select No, not at this time . 5 Click Next . 6 On the Locat[...]

22 Driver Installation Installing From the Dell Operating Sy stem Media Use the Operating System media CD or D VD that came with your Dell wo rkstation to install the driver during the operating system installation. 1 Boot to the Dell P recision™ W orkstation Operating System CD or DVD. 2 Continue your operating system installation using the inst[...]

Driver Installation 23 Creating a Driver Update Diskette The following files are needed befor e you create the DUD. NOTE: The SAS 6/iR driver package installs these files. Y ou do not need to do an ything at this point. • The directory /usr/src/mptlinux-<driver_version> contains the driver source code, dkms.conf , and specifications file fo[...]

24 Driver Installation Installing the RPM Package with DKMS Support 1 Uncompress the zipped file of the DKMS-enabled driver package. 2 Install the DKMS package using the command: rpm -Uvh <DKMS package name> . NOTE: The switch -Uvh is intended for the rpm update only . When installing the rmp package for the first time, use -Ivh. 3 Install th[...]

Driver Installation 25 T o create the DUD using the DKMS tool: 1 Install the DKMS-enabled SAS 6/iR driver rp m package on a system running a SUSE Linux operating system. 2 T ype the following command in any directory : dkms mkdriverdisk -d redhat -m mptlinux -v <driver version> -k <kernel version> This starts the process to create the S[...]

26 Driver Installation Upgrading the Kernel If you run the up2date utility to upgrade the kernel, the DK MS enabled driver packages must be reinstalled. T o do so , type the follow ing in the same order in a terminal window .: dkms build -m <module_name> -v <module version> -k <kernel version> dkms install -m <modul e_name> [...]

SAS 6/iR BIOS 27 SAS 6/iR BIOS The BIOS of the Dell™ Serial-Attached SCSI (SAS) 6/iR controller offers the following features: • Support for multiple SAS adapters • POST Memory Management (PMM) support • Redundant Array of Independent Disks (RAID) configuration tool • Read-only memory (ROM) BIOS recovery image • POST status error messag[...]

28 SAS 6/iR BIOS Configuration Utility Starting the Configuration Utility 1 Boot the system. 2 P ress <Ctrl+C> during POST when prompted. If you wait too long and the operating system logo appears, continue to wait until the operating system completes bootup. Then restart your system and try again. The Configuration Utilit y menu screen displ[...]

SAS 6/iR BIOS 29 Navigating the Configuration Utility The navigation hints are displayed at the bottom of each scr een. Online help is also available in the utility . The screens ar e organized in a hierarchical fashion. Integrated RAID Configuration and Management Screens Integrated R A ID (IR) configuration and management involves many sc r eens,[...]

30 SAS 6/iR BIOS Array Size (MB) Size of the array NOTE: In order to facilitate coercion on new larger disk drives, the disk size must be coerced down to the next lower giga byte. Additionally , for compli ance with the latest Disk Data Format standard, 512 MB of space must be reserved for RA ID metadata on the dr ive. This may result in greater th[...]

SAS 6/iR BIOS 31 View Array The V iew Array screen allows you to view t he current array configuration. P ress <Alt+N> to view the next array . See the table above to view descriptions of each virtual disk property . Manage Array The Manage Array screen is used to manage the curr ent array . The options are Manage Hotspares , Synchronize Mirr[...]

32 SAS 6/iR BIOS Performing Configuration T asks Creating an Integrated Striping Virtual Disk An Integrated Striping (IS) virtual di sk, also referr ed to as RAID 0, off ers the ability to stripe data across multiple physical disks. IS volumes offer increased ca pacity by combining multiple physical disks into a single virtual disk. IS volumes also[...]

SAS 6/iR BIOS 33 Creating a Integrated Mirroring Virtual Disk An Integrated Mirroring (IM) virtual disk, also referr ed to as RAID 1, offers the ability to mirror data from one physical disk onto anot her one. IM volumes offer increas ed r eliability by combining two physical disks into a single virtual disk such that ea ch disk contains a mirrored[...]

34 SAS 6/iR BIOS Viewing V irtual Disk Properties F ollow these steps to view the properties of IS and IM virtual disks: 1 Select a controller from the Adapter List in the Configuration Utility . 2 Select the R AID P roperties option. • If there ar e no existing virtual disks, you will be prompted to create an IM or an IS virtual disk. • If the[...]

SAS 6/iR BIOS 35 Deleting a Virtual Disk NOTICE: Before deleting a virtual disk, be sure to back up all data on the virtual disk th at you want to keep. F ollow these steps to delete a selected virtual disk: 1 Select Delete V irtual Disk . 2 P ress Y to delete the virtual disk or press N to abandon the deletion. 3 P ress <F3> to confirm delet[...]

36 SAS 6/iR BIOS book.book Page 36 Wednesday, July 25, 2007 10:58 AM[...]

T roubleshooting 37 T roubleshooting T o get help with problems with your Dell™ Seria l-Attached SCSI (SAS) 6/iR controller , you can Contact Dell or access the Dell Support website at support.dell.com . BIOS Boot Order If you intend to boot to the controller , ensure it is set appropriately in the system's BIOS boot order . See your system [...]

38 T roubleshooting Phy sical Disk Related Issues T able 6-2. Phy sical Disk Issues Problem Suggested Solution The system does not boot from the SAS 6/iR controller . Ensure that the boot disk is a ttached to the controller at the lowest ID and check the controller and the physical disk boot order in the system BIOS. NOTE: See your sy stem document[...]

T roubleshooting 39 Configuration Utility Error Messages NOTE: These error messages are displayed in side the Configuration Utility . Res tart your sy stem and retry if you encounter any of these. T able 6-3. Configuration Utility Error Messages Message Meaning and Suggested Solution An error occurr ed while reading non-volatile settings. An error [...]

40 T roubleshooting BIOS Error Messages T able 6-4. BIOS Error Messages Message Meaning Press <Ctrl+C> to Enable BIOS When the BIOS is disabled, you are given the option to enable it by entering the co nfiguration utility . Y ou can change the setting to Enabled in the configuration utility . Adapter at Basepor t xxxx is not responding where [...]

T roubleshooting 41 Device not available at Device may not be ready at th is time. The device will be retried. If the problem persists, r estart your system. Spinning up the device! The device currently being scanned is being spun up. ERROR! Device is not responding to Read Capacity The device did not r espond to a read capacity command. Contact De[...]

42 T roubleshooting Image not found Could not locate the image for th e Configuration Utility , its strings file, or its options file. Unable to load LSI Configuration Utility Could not load the Configuration Utility . This error usually follows one of the four previous messages. Unable to load LSI Logic Corp MPT BIOS MRT BIOS Fault 02h encountered[...]

Updating the Firmware 43 Updating the Firmware Updating the Dell™ Serial-Attached SCSI (SAS) 6/iR controller firmware is a chieved by flashing the firmware. The firmwar e can be flashed while the cont roller is in use. The system must be restarted for the changes to the firmware to tak e effect. If there is a failure while flashing the firmwar e [...]

44 Updating the Firmware book.book Page 44 Wednesday, July 25, 2007 10:58 AM[...]

Getting Help 45 Getting Help Obtaining Assistance CAUTION: If you need to remove the comp uter cover , first disconnect the computer power and modem cables from all electrical outlets. If you need assistance with a technical problem, perform the following steps: 1 Complete the procedures in the section "T ro ubleshooting Y our System" of [...]

46 Getting Help Online Services Y ou can access Dell Support at support.dell.com . Select your region on the WELCOME TO DELL SUPPOR T page, and fill in the requested detail s to access help tools and information. Y ou can learn about Dell products and services on the following websites: www .dell.com www .dell.com/ap (Asian/P acific countries only)[...]

Getting Help 47 Dell Enterprise T raining Dell Enterprise training is available; see www .dell.com/training for more information. This service may not be offered in all locations. Problems With Y our Order If you have a problem with your order , such as miss ing parts, wrong parts, or incorrect billing, contact Dell for customer assistance. Have yo[...]

48 Getting Help Before Y ou Call NOTE: Have your Express Service Code ready when you call . The code helps Dell's au tomated-suppor t telephone sy stem direct your call more efficiently. NOTE: See your sy stem’ s Hardware Owner’ s Manual for the telephone numbers and codes provided to contact Dell Support. If possible, turn on your system [...]

Regulatory Notices 49 Regulatory Notices F or additional regulatory information, please go to the Regulatory Compliance Homepage on www .dell.com at the following location: www .dell.com/regulatory_compliance . book.book Page 49 Wednesday, July 25, 2007 10:58 AM[...]

50 Regulatory Notices book.book Page 50 Wednesday, July 25, 2007 10:58 AM[...]

Regulatory Notice 51 book.book Page 51 Wednesday, July 25, 2007 10:58 AM[...]

52 Regulatory Notices book.book Page 52 Wednesday, July 25, 2007 10:58 AM[...]

Regulatory Notices 53 Corporate Contact Details (T aiwan Only) Pursuant to Article 11 of the Commodity Inspection Act, De ll provides the following cor porate contact details for the certified entity in T aiwan for the pr oducts addressed by this document: Dell B.V . T aiwan Branch 20/F , No. 218, Sec. 2, T ung Hwa S. Road, Ta i p e i , Ta i w a n [...]

54 Regulatory Notices book.book Page 54 Wednesday, July 25, 2007 10:58 AM[...]

Glossary 55 Glossary This section defines or identifies t echnical terms, abbreviations, and acronyms used in this document. A Adapter An adapter enables the computer system to access peripheral devices by converting the protocol of one bus or interface to another . An adapter may also provide specialized function. Adapters may reside on the system[...]

56 Glossary DKMS DKMS stands for Dynamic Kernel Module Support. It is designed to create a framework wher e kernel dependent module source can re side so that it is very easy to rebuild modules as you upgrade k ernels. This will allow Linux vendors to provide driver drops without having to wait for new kernel r eleases while also taking out the gue[...]

Glossary 57 Mirroring The process of providing complete redundancy using two physical disks, by maint aining an exact copy of one physical disk’s data on the second physical disk. If one physical disk fails, the contents of the other physical disk can be used to maintain the integr ity of the system and to rebuild the failed physical disk. N NVDA[...]

58 Glossary POST POST , short for P ower -On Self- T est is a process performed before the operating system loads when the computer is turned on. The POST tests various system components, such as R AM, the physical disks, an d t h e ke yb oa rd . R RAID Acronym for Redundant Array of Independent Disks (originally Redundant Array of Inexpensive Disk[...]

Glossary 59 to deliver full bandwidth to each device, eliminate the need for bus arbitration, reduce latency , and greatly simplify hot-plug and hot-swap system implementations. Serial T echnology Serial storage technology , specifically Serial A T A, Serial-Attached SCSI and PCI Express, addr ess the architectural limitations of their parallel cou[...]

60 Glossary X XP XP is a Microsoft W indows operating system. Released in 2001, it is built on the W indows 2000 kernel, making it mor e stable and reliable than previous versions of W indows. It includes an improved user interface and more mobility featur es, such as plug and play features used to connect to wireless networks. book.book Page 60 We[...]

Index 61 Index B BIOS, 27 Configuration Utility , 2 8 fault code messages, 2 7 POST messages, 2 7 C Configuration Utility functions performed, 2 8 navigating, 2 9 overview , 2 8 starting, 2 8 D drivers creating disk ette, 1 9 installation, 1 9 Red Hat Enterprise Linux, 2 2 SUSE Linux Enterprise Server , 2 4 E electrostatic discharge. See ESD ESD, 8[...]

62 Index 62 Index T troubleshooting, 37 BIOS boot order , 3 7 BIOS error messages, 4 0 Configuration Utility error messages, 3 9 physical disk issues, 3 8 W W indows, 19 drivers, 1 9 updating drivers, 2 1 book.book Page 62 Wednesday, July 25, 2007 10:58 AM[...]