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installation 

guide

hp

 StorageWorks

auto path for AIX

product version:  04-01

fifth edition (may 2003)

part number:  B7949-96003

This guide is a supplement to the HDLM product documentation and describes how to install 

and configure Auto Path for AIX with HP disk arrays.

Содержание StorageWorks XP1024

Страница 1: ...rks auto path for AIX product version 04 01 fifth edition may 2003 part number B7949 96003 This guide is a supplement to the HDLM product documentation and describes how to install and configure Auto Path for AIX with HP disk arrays ...

Страница 2: ...oduced or translated into another language without the prior written consent of Hewlett Packard The information contained in this document is subject to change without notice All other product names mentioned herein may be trademarks of their respective companies Hewlett Packard Company shall not be liable for technical or editorial errors or omissions contained herein The information is provided ...

Страница 3: ...ng help 7 HP technical support 7 HP storage website 7 HP authorized reseller 7 Warranty statement 9 1 Installation 11 Installing Auto Path in AIX environments 12 Installation procedure 13 Upgrading to version 04 01 17 2 Configuration and operation 19 Setting the automatic failback feature using the dlnkmgr command 20 Required commands for operating DLM volume groups 22 ...

Страница 4: ...4 HP StorageWorks Auto Path for AIX Installation Guide Contents ...

Страница 5: ...de the instructions provided in the HDLM documentation Intended audience This guide is intended for use by system administrators who already have expertise with the associated systems and software and knowledge of related topics data processing concepts direct access storage device subsystems and their basic functions disk arrays and RAID technology operating system commands and utilities Disk arr...

Страница 6: ... Internet For the online version of this guide the reference is linked to the target literal Bold text represents literal values that you type exactly as shown as well as key and field names menu items buttons file names application names and dialog box titles variable Italics indicates that you must supply a value Italics is also used for manual titles input output Monospace font denotes user inp...

Страница 7: ...t html Be sure to have the following information available before calling technical support registration number if applicable product serial numbers product model names and numbers applicable error messages operating system type and revision level detailed specific questions For continuous quality improvement calls may be recorded or monitored HP storage website The HP website has the latest infor...

Страница 8: ...8 HP StorageWorks Auto Path for AIX Installation Guide About this guide elsewhere See the HP website for locations and telephone numbers www hp com ...

Страница 9: ...LE RISK HP DOES NOT WARRANT THAT THE FUNCTIONS CONTAINED IN THE SOFTWARE WILL MEET YOUR REQUIREMENTS OR THAT THE OPERATION OF THE SOFTWARE WILL BE UNINTERRUPTED VIRUS FREE OR ERROR FREE OR THAT DEFECTS IN THE SOFTWARE WILL BE CORRECTED THE ENTIRE RISK AS TO THE RESULTS AND PERFORMANCE OF THE SOFTWARE IS ASSUMED BY YOU HP DOES NOT WARRANT OR MAKE ANY REPRESENTATIONS REGARDING THE USE OR THE RESULTS...

Страница 10: ...ot apply to you to the extent prohibited by such local laws NOTE EXCEPT TO THE EXTENT ALLOWED BY LOCAL LAW THESE WARRANTY TERMS DO NOT EXCLUDE RESTRICT OR MODIFY AND ARE IN ADDITION TO THE MANDATORY STATUTORY RIGHTS APPLICABLE TO THE LICENSE OF THE SOFTWARE TO YOU PROVIDED HOWEVER THAT THE CONVENTION ON CONTRACTS FOR THE INTERNATIONAL SALE OF GOODS IS SPECIFICALLY DISCLAIMED AND SHALL NOT GOVERN O...

Страница 11: ...th for AIX Installation Guide 1 Installation This chapter describes how to install HP StorageWorks Auto Path for AIX Auto Path on HP disk arrays Use these instructions instead of the procedures provided in the HDLM documentation ...

Страница 12: ...h identical firmware Caution If you combine different types of HBAs HDLM may not be able to switch the path when an error occurs The HDLM software cannot be used to manage the boot disk Uninstall any previous version of Auto Path before installing the HDLM software Recommendation Use the same type of fibre switch for all paths System prerequisites for using the HDLM software HP supports the follow...

Страница 13: ... the connection method such as Fabric or AL matches the settings Install VisualAge C version 5 0 0 0 or later filesets on the host if required AIX 4 3 3 software may be obtained at http www 1 ibm com support docview wss org SW doc 4001173 AIX 5 1 software is available on the 5 1 install media To install Auto Path 1 Log in with root authority 2 Create the var DLM directory mkdir var DLM 3 Create th...

Страница 14: ... all volumes that can be managed by the DLM driver this step is unnecessary Continue with step 9 To limit the volumes to be managed you may either specify the volumes to be managed or specify the volumes you do not want managed To specify the volumes to be managed enter the logical names of these volumes hdisks in the configuration file usr DynamicLinkManager drv dlmfdrv conf Example Enter all hdi...

Страница 15: ...ing Auto Path dlmfdrv20 and dlmfdrv8 are the special file names of DLM drivers where 20 and 8 are the driver s instance numbers dlmfdrv20 corresponds to hdisk20 and dlmfdrv8 corresponds to hdisk8 Verify that all DLM drivers corresponding to the physical volumes you want recognized are displayed If one or more drivers are not displayed AIX error information is in the var DynamicLinkManager log dlmc...

Страница 16: ...reate a file system having the size 8192000 at the mount point tmp dlmvg01_fs for the dlmvg01 volume group crfs v jfs g dlmvg01 a size 8192000 m tmp dlmvg01_fs 14 Free the mount point Example umount tmp dlmvg01_fs 15 To make the volume groups available for Auto Path deactivate and then activate the volume groups to be used Example dlmvaryoffvg dlmvg01 dlmvaryonvg dlmvg01 16 Make the mount point av...

Страница 17: ...le to a safe place Example cp usr DynamicLinkManager drv dlmfdrv conf tmp 4 Begin the uninstallation of the previous version Follow the steps in the manual for the previous version The basic commands are dlmrmdev installp u AutoPath 5 Make sure the appropriate license key is in the var DLM dlm lic_key file Make a backup of this file The version 04 01 installation will delete this file and the var ...

Страница 18: ...the current level 9 Copy the dlmfdrv conf or dlmfdrv unconf file back to the usr DynamicLinkManager drv directory 10 Activate the DLM subsystem dlmcfgmgr A system reboot also activates the DLM subsystem The dlmfdrv device files are regenerated as configured in the dlmfdrv conf or dlmfdrv unconf file 11 Activate all of the DLM volume groups Example dlmvaryonvg dlmvg01 12 Make the mount point availa...

Страница 19: ...19 HP StorageWorks Auto Path for AIX Installation Guide 2 Configuration and operation This chapter provides supplementary information about Auto Path operation on HP disk arrays ...

Страница 20: ...y turned on or the DLM manager is activated the first automatic failback is performed after the duration of the specified interval Settings on automatic failback remain valid after the system is turned off and restarted The interval value is maintained even after the automatic failback is turned off The stored value is used when automatic failback is set on again and no value is set for the interv...

Страница 21: ...e subject to online processing If there is a path that cannot be recovered the following message is output A path which failed to go online was detected during online operation of the KAPL01039 W DLM command Do you want to continue the PathID d online operation y n Enter y to continue the operation or n to abort it When s is specified the operation is continued in an assumption that y is specified...

Страница 22: ... HDLM documentation for the commands to be used on DLM volume groups You can execute the commands from the utility for operating DLM volume groups from the command line or in the SMIT screen A volume group managed by Auto Path must contain only dlmfdrvXX Do not include an hdisk definition in a DLM volume group The format of each utility command is the same as the format of the corresponding AIX co...

Страница 23: ...y any volume group other than a volume group created using the commands from the utility for operating DLM volume groups Doing so may cause the volume group to become invalid Example Create a volume group for Auto Path dlmmkvg s 32 y dlmvg1 hdisk2 hdisk3 dlmlsvg Invalid volume group For a volume group used by Auto Path includes hdisk dlmlsvg p dlmvg1 dlmvg1 PV_NAME PV STATE TOTAL PPs FREE PPs FREE...

Страница 24: ...24 HP StorageWorks Auto Path for AIX Installation Guide Configuration and operation ...

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