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Fujitsu ETERNUS2000 Connection Manual

Disk storage system
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  • Page 3 Preface This document briefly explains the operations that need to be performed by the user in order to connect an ETERNUS2000 model 100 or 200 Disk storage system to a server running Linux via a SAS interface. This document should be used in conjunction with any other applicable user manuals, such as those for the ETERNUS2000 model 100 or 200 Disk storage system, server, OS used, SAS cards, drivers, etc.
  • Page 4 After reading, store this manual in a safe place for future reference. FUJITSU has made every effort to ensure the safety of the users and other personnel, and to prevent property damage. When using this product, carefully follow the instructions described in this manual.
  • Page 5 SUSE Linux Enterprise Server 10 Service Packx SLES10 SPx SUSE Linux Enterprise Server 10 for xxx SLES10 (xxx) SUSE Linux Enterprise Server 10 Service Packx for xxx SLES10 SPx (xxx) P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...
  • Page 6 • Italics are used to show variables such as values and characters that appear in command parameters and output examples. Copyright 2010 FUJITSU LIMITED P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 7: Table Of Contents

    Making the Server Recognize the LUNs ............19 Displaying the Recognized Logical Units ............20 8.2.1 For Red Hat Enterprise Linux ....................20 8.2.2 For SUSE Linux Enterprise Server .................... 21 P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...
  • Page 8 10.2.4 Recognizing the Post device-mapper multipath LUNs .............. 27 10.2.5 Checking the device-mapper multipath Status and Created Devices ........27 Chapter 11 Setting Up the File System ............29 P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 9: Chapter 1 Workflow

    Which documents need to be referred to varies with the connection environment. Refer to the workflow that follows to determine which documents are required. Required Documents • ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux (This manual) • Server Support Matrix •...
  • Page 10 Set the Server to Recognize the Logical Units Set up the server so that it can recognize the ETERNUS Disk storage systems' LUN (logical units). Refer "Chapter 8 LUN Recognition" (page 19) P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 11: When The Multipath Driver Is Used

    Set up the required parameters for the connection to the ETENRUS Disk storage system. Refer "7.1 For Fujitsu SAS Cards" (page 18) "7.2 For LSI Logic SAS Cards" (page 18) P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...
  • Page 12 Set up and confirm the device-mapper Refer multipath. "Chapter 9 Setting Up and Checking Refer the ETERNUS Multipath Driver" (page "Chapter 10 Setting Up and Checking the device-mapper multipath" (page P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 13: Chapter 2 Checking The Server Environment

    Refer to the "Server Support Matrix". SAS Cards Refer to the "Server Support Matrix". ETERNUS Multipath Driver or device-mapper multipath Refer to the "Server Support Matrix". P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 14: Chapter 3 Notes

    For details involving RHEL, refer to the Red Hat web-site and any documentation available. SLES Notes For details involving SLES, refer to the Novell web-site and any documentation available. P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 15: Chapter 4 Installing And Setting Up Eternusmgr

    If ETERNUSmgr is to be used, install it according to the directions given in the "ETERNUSmgr Install Guide". After the installation, set up ETERNUSmgr following the instructions in the "ETERNUSmgr User Guide". P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 16: Chapter 5 Setting Up The Eternus Disk Storage Systems

    Set up the ETERNUS Disk storage systems using ETERNUSmgr. ETERNUS Disk storage systems' setup can be performed independently of server setup. For details on how to perform these settings, refer to the "ETERNUS2000 Disk storage systems Server Connection Guide (SAS) ETERNUS Disk Storage System Settings" and "ETERNUSmgr User Guide".

  • Page 17: Chapter 6 Installing The Sas Card Drivers

    For LSI Logic SAS Cards The SAS card driver does not need to be installed because it is one of the OS default drivers. P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 18: Chapter 7 Setting Up The Server

    Refer to the documentation provided with the SAS card for the server setup procedure. For LSI Logic SAS Cards The server does not need to be set up. P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 19: Chapter 8 Lun Recognition

    (Example) Explanation /dev/disk/by-id/scsi- /dev/sda Internal SCSI disk 36003005700026cc011251e4b0b80ac59 /dev/disk/by-id/scsi- /dev/sdb 3600000e00d0000000001000000000000 /dev/disk/by-id/scsi- ETERNUS Disk Storage /dev/sdc 3600000e00d0000000001000000010000 Systems' LUN /dev/disk/by-id/scsi- /dev/sdd 3600000e00d0000000001000000020000 End of procedure P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 20: Displaying The Recognized Logical Units

    At this point the Multipath Driver has not been set up yet, so two SCSI devices are shown for each connected LUN (i.e. if there are 3 LUNs, 6 SCSI devices are shown). P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 21: For Suse Linux Enterprise Server

    At this point the Multipath Driver has not been set up yet, so two SCSI devices are shown for each connected LUN (i.e. if there are 3 LUNs, 6 SCSI devices are shown). P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 22: Chapter 9 Setting Up And Checking The Eternus Multipath Driver

    Multipath Driver Refer to the documentation provided with the ETERNUS Multipath Driver for the setup and con- firmation procedures when ETERNUS Multipath Driver is used. P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 23: Chapter 10 Setting Up And Checking The Device-Mapper Multipath

    Add the following lines at the end of the file. devices{ device{ vendor "FUJITSU" product "E2000" prio_callout "/sbin/mpath_prio_alua %d" path_grouping_policy group_by_prio path_selector "round-robin 0" failback immediate no_path_retry End of procedure P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 24: Enabling The Device-Mapper Multipath

    1 root root 7 Feb 15 20:21 mpath247 -> ../dm-46 lrwxrwxrwx 1 root root 8 Feb 15 20:21 mpath248 -> ../dm-50 lrwxrwxrwx 1 root root 7 Feb 15 20:21 mpath249 -> ../dm-155 P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 25: Checking The Device-Mapper Multipath Status And Created Devices

    Checking the device-mapper multipath Status and Created Devices Check the path status using the "multipath -ll" command. • When both paths are in normal status (This example is for the ETERNUS2000) The multipath consists of the block device "E2000" is displayed since the names "sde"...

  • Page 26: Enabling The Device-Mapper Multipath

    Execute the following command to enable the device-mapper multipaths. # insserv boot.multipath multipathd # chkconfig multipathd on # chkconfig boot.multipath on # /etc/init.d/boot.multipath start # /etc/init.d/multipathd start P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 27: Rebooting The Linux Server

    Checking the device-mapper multipath Status and Created Devices Check the path status using the "multipath -ll" command. • When both paths are in normal status (This example is for the ETERNUS2000) The multipath consists of the block device "E2000" is displayed since names "sde"...
  • Page 28 -ll" command. However, there is no actual problem with multipath configuration and operation. sde: Using deprecated prio_callout '/sbin/mpath_prio_alua %d' (controller setting) Please fixup /etc/multipath.conf sdc: Using deprecated prio_callout '/sbin/mpath_prio_alua %d' (controller setting) Please fixup /etc/multipath.conf P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...

  • Page 29: Chapter 11 Setting Up The File System

    If by-id names are being used with Red Hat Enterprise Linux AS v.4 Update 4 or Red Hat Enterprise Linux ES v.4 Update 4 or later, then the accessible device names will be by-id names. P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux Copyright 2010 FUJITSU LIMITED...
  • Page 30 • Fujitsu assumes no liability for damages to third party copyrights or other rights arising from the use of any information in this manual. •...

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