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EMC 300-000-978 REV A03 manual Troubleshooting the Problem

Models: 300-000-978 REV A03

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Customer Support

Troubleshooting the Problem

Please perform the relevant diagnostic steps before you contact the

EMC Customer Support Center:

1.Read the documentation carefully.

2.Reconstruct the events leading up to the problem and describe them in writing.

3.Run some test cases to reproduce the problem.

If you encounter a problem that requires technical programming or analysis, call the nearest EMC office or contact the EMC Customer Support Center at one of the following numbers:

United States: (800) 782-4362 (SVC-4EMC)

Canada: (800) 543-4782 (543-4SVC)

Worldwide: (508) 497-7901

Please do not request a specific support representative unless one has already been assigned to your particular system problem.

For additional information on EMC products and services available to customers and partners, refer to the EMC Powerlink website at:

http://powerlink.EMC.com

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EMC 300-000-978 REV A03 manual Troubleshooting the Problem

Contents

Version PowerPath for Unix Copyright 1997-2003 EMC Corporation. All rights reserved Contents Chapter Removing PowerPath Chapter Configuring a PowerPath Boot Device on SolarisChapter PowerPath Administration on Solaris Integrating/ Upgrading PowerPath Into an Existing AAM Appendix a Files Changed By PowerPath Appendix B Customer Support Tables Tables Tables Viii Audience and Prerequisites Preface Preface Related Documentation Arguments used in examples of command line Command line arguments when used in textOptions in command line syntax EMC uses the following type style conventions in this guide Sales and Customer Service Contacts Xiv Installing PowerPath Before You Install Obtain Up-To-Date InformationChoose a Convenient Time Prepare the Host and Storage System Locate Your License Key Failure to do so could result in loss or corruption of data Configure HBA drivers For example Prepare For a Clustered EnvironmentFor sh, enter To find a unique major number Start the installation program. Enter Installing PowerPath You see the following prompt You are prompted to confirm the major number Press Enter to confirm the major numberEnter y and press Enter Manager VCS Agent Uninstalling the Earlier Version Upgrading to PowerPath Enter 1 and press Enter Upgrading From PowerPath 3.0.x or Enter package base directory default /opt,? You are prompted to confirm the major number EMC If files are corrupted Troubleshooting the Upgrade After You Install Register PowerPathOn the Host Remove Reboot the Host If you installed the PowerPath Volume Manager VCS Agent Verify the PowerPath InstallationYou should see output like the following You should see output similar to this Modinfo grep -i emc Reconfigure Emcpower DevicesApplications to Use Installing the PowerPath Volume Manager VCS Agent Do you want to install these conflicting files y, n, ?, q You should output similar to this Error Messages PowerPath for Unix Installation and Administration Guide PowerPath in a Legato 5.1 or later AAM Cluster PowerPath in a Cluster Environment Installing PowerPath A New AAM Cluster PowerPath in a Legato 5.1 or later AAM Cluster PowerPath in a Legato 5.1 or later AAM Cluster Installing PowerPath in a New Sun Cluster PowerPath in a Sun Cluster PowerPath in a Sun Cluster PowerPath in a Sun Cluster Stop cluster services on the node. Enter boot Installing PowerPath A New VCS Cluster PowerPath in a Veritas Cluster Server Cluster Hatype -list grep EMC Integrating Upgrading PowerPath Into an Existing VCS Cluster PowerPath Volume Configuring VCS toRecognize Manager Resources Add the following line to the beginning Editing main.cf to Include EMCTypes.cf Minor Number Setting Major and Minor Numbers PowerPath for Unix Installation and Administration Guide Configuring a PowerPath Boot Device On Solaris Introduction Partitioning the Boot Device Configuring a PowerPath Native Device as the Boot Device Filesystems Creating Usr/sbin/installboot /usr/platform/sun4u/lib/fs/ufs/bootblk\ Example After modification At the % prompt, enter the following command and press OpenBoot Setting Up the Boot AliasModifying Output is similar to the following Moving the Boot Device to an emcpower Device Procedure Recovery Reboot the host. Enter boot An example of a boot path is Removing PowerPath Control Over a Boot Device Reboot -- -r Removing PowerPath Before Removing PowerPath Screen displays information like this Removing PowerPath Enter the following command to remove these files Emcpvcleanup issues the following warningRemoval process saves the following files Reboot the host. Enter reboot -- -r Removing the PowerPath Volume Manager VCS Agent Removal of EMCvg was successful PowerPath for Unix Installation and Administration Guide PowerPath Administration on Solaris PowerPath and CLARiiON Storage Systems Booting a Host With Built-In Fibre Channel PortsEnsuring a Sufficient Stack Size Boot Device Support Rebooting and Custom Settings R1/R2 Supported Configurations R1/R2 Boot Procedure R1/R2 Boot Failover Support Native Devices Device NamingForms Block device- /dev/dsk/c # t # d # s # Pseudo Devices Selecting a DeviceNaming Convention Device Naming Function Native Device Pseudo Device Volume Managers Reconfiguring PowerPath Devices Online Screen displays the following information Enter quit, to end the format process Adding an HBA to a PowerPath Configuration Dynamic Reconfiguration Command returns output like the following Removing an HBA From a PowerPath Configuration Powermt remove hba=# Upgrading Solaris Upgrading to Solaris 9 with Solaris Live Upgrade Troubleshooting File Location Executing powercf Emcp.conf File Powercf Configuration Utility Arguments PowerPath device entries in emcp.conf Files Changed By PowerPath Etc Files Created or Modified by PowerPath Installation Basedir/EMCpower/driver Basedir/EMCpower/bin PowerPath for Unix Installation and Administration Guide Kernel/drv Basedir/EMCpower/lib Files Created or Modified by PowerPath Installation Basedir/EMCpower/man/man1 This directory contains PowerPath scripts Basedir/EMCpower/scriptsThis directory contains the PowerPath man pages Usr/bin Installation programs add the following line to Solaris Files Modified by PowerPath Installation Etc/VRTSvcs/conf/config Files Created or Modified by VCS Agent InstallationBasedir/VRTSvcs/EMC Basedir/VRTSvcs/bin/EMCvg PowerPath for Unix Installation and Administration Guide Customer Support Figure B-1Problem Detection and Resolution Process Overview of Detecting and Resolving Problems Troubleshooting the Problem Before Calling the Customer Support Center Documenting the Problem Reporting a New Problem FTP Sending Problem Documentation PowerPath for Unix Installation and Administration Guide Index Symbols VCS Veritas Volume Manager and emcpower devices PowerPath for Unix Installation and Administration Guide