HP StorageWorks XP128 User manual

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.

2HP StorageWorks Auto Path for AIX: Installation Guide
© Copyright 2003 Hewlett-Packard Development Company, L.P., all rights reserved.
Hewlett-Packard Company makes no warranty of any kind with regard to this material, including, but not limited to,
the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be liable for
errors contained herein or for incidental or consequential damages in connection with the furnishing, performance,
or use of this material.
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The information contained in this document is subject to change without notice.
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Hewlett-Packard Company shall not be liable for technical or editorial errors or omissions contained herein. The
information is provided “as is” without warranty of any kind and is subject to change without notice. The warranties
for Hewlett-Packard Company products are set forth in the express limited warranty statements accompanying such
products. Nothing herein should be construed as constituting an additional warranty.
Printed in the U.S.A.
HP StorageWorks Auto Path for AIX: Installation Guide
product version: 04-01
fifth edition (may 2003)
part number: B7949-96003

3HP StorageWorks Auto Path for AIX: Installation Guide
contents
Contents
About this guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Intended audience. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Disk arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Related documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Getting 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

4HP StorageWorks Auto Path for AIX: Installation Guide
Contents

5HP StorageWorks Auto Path for AIX: Installation Guide
about this
guide
About this guide
About this guide
This guide provides information about configuring the HP StorageWorks Auto
Path for AIX product on supported HP disk arrays.
The Auto Path product requires Hitachi Dynamic Link Manager (HDLM)
software. This guide is a supplement to the HDLM documentation. Before
installing Auto Path, refer to the readme file for instructions and restrictions. The
procedures described in this guide and the readme file supersede 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 arrays
Unless otherwise noted, the term disk array refers to any of these disk arrays and
appliances:
HP StorageWorks Disk Array XP48
HP StorageWorks Disk Array XP128
HP Surestore Disk Array XP256
HP StorageWorks Disk Array XP512
HP StorageWorks Disk Array XP1024
HP OpenView Continuous Access Storage Appliance (CASA)

6HP StorageWorks Auto Path for AIX: Installation Guide
About this guide
Related documentation
HP provides the following related documentation:
■HP StorageWorks Disk Array XP128: Owner’s Guide
■HP StorageWorks Disk Array XP1024: Owner’s Guide
For information about operating system commands and third-party products, refer
to the manufacturer’s documentation:
■Hitachi Dynamic Link Manager User’s Guide
Conventions
This guide uses the following text conventions.
Figure 1 Blue text represents a cross-reference. For the online version
of this guide, the reference is linked to the target.
www.hp.com Underlined, blue text represents a website on the 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 input and system responses,
such as output and messages.
Example Denotes an example of input or output. The display shown in
this guide may not match your configuration exactly.
[ ] Indicates an optional parameter.
{ } Indicates that you must specify at least one of the listed
options.
| Separates alternatives in a list of options.
Caution: Text set off in this manner indicates that failure to follow directions
could result in damage to equipment or data.

HP StorageWorks Auto Path for AIX: Installation Guide 7
About this guide
Getting help
If you still have a question after reading this guide, contact an HP authorized
service provider or access our website:
www.hp.com
HP technical support
In North America, call technical support at 1-800-652-6672, available 24 hours a
day, 7 days a week.
Outside North America, call technical support at the nearest location. Telephone
numbers for worldwide technical support are listed on the HP website under
support:
thenew.hp.com/country/us/eng/support.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 information on this product, as well as the latest
drivers. Select the appropriate product or solution from this website:
thenew.hp.com/country/us/eng/prodserv/storage.html
HP authorized reseller
For the name of your nearest HP authorized reseller, you can obtain information
by telephone:
United States 1-800-345-1518
Canada 1-800-263-5868

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

HP StorageWorks Auto Path for AIX: Installation Guide 9
About this guide
Warranty statement
HP warrants that for a period of ninety calendar days from the date of purchase, as
evidenced by a copy of the invoice, the media on which the Software is furnished
(if any) will be free of defects in materials and workmanship under normal use.
DISCLAIMER. EXCEPT FOR THE FOREGOING AND TO THE EXTENT
ALLOWED BY LOCAL LAW, THIS SOFTWARE IS PROVIDED TO YOU “AS
IS” WITHOUT WARRANTIES OF ANY KIND, WHETHER ORAL OR
WRITTEN, EXPRESS OR IMPLIED. HP SPECIFICALLY DISCLAIMS ANY
IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY,
SATISFACTORY QUALITY, NON-INFRINGEMENT, TITLE, ACCURACY OF
INFORMATIONAL CONTENT, AND FITNESS FOR A PARTICULAR
PURPOSE. Some jurisdictions do not allow exclusions of implied warranties or
conditions, so the above exclusion may not apply to you to the extent prohibited
by such local laws. You may have other rights that vary from country to country,
state to state, or province to province.
WARNING ! YOU EXPRESSLY ACKNOWLEDGE AND AGREE THAT
USE OF THE SOFTWARE IS AT YOUR SOLE 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 OF
THE USE OF THE SOFTWARE OR RELATED DOCUMENTATION IN
TERMS OF THEIR CORRECTNESS, ACCURACY, RELIABILITY,
CURRENTNESS, OR OTHERWISE. NO ORAL OR WRITTEN
INFORMATION OR ADVICE GIVEN BY HP OR HP’S AUTHORIZED
REPRESENTATIVES SHALL CREATE A WARRANTY.
LIMITATION OF LIABILITY. EXCEPT TO THE EXTENT PROHIBITED
BY LOCAL LAW, IN NO EVENT INCLUDING NEGLIGENCE WILL HP OR
ITS SUBSIDIARIES, AFFILIATES, DIRECTORS, OFFICERS, EMPLOYEES,
AGENTS OR SUPPLIERS BE LIABLE FOR DIRECT, INDIRECT, SPECIAL,
INCIDENTAL, CONSEQUENTIAL, PUNITIVE OR OTHER DAMAGES
(INCLUDING LOST PROFIT, LOST DATA, OR DOWNTIME COSTS),
ARISING OUT OF THE USE, INABILITY TO USE, OR THE RESULTS OF
USE OF THE SOFTWARE, WHETHER BASED IN WARRANTY,
CONTRACT, TORT OR OTHER LEGAL THEORY, AND WHETHER OR NOT
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Your use of the
Software is entirely at your own risk. Should the Software prove defective, you

10 HP StorageWorks Auto Path for AIX: Installation Guide
About this guide
assume the entire cost of all service, repair or correction. Some jurisdictions do
not allow the exclusion or limitation of liability for incidental or consequential
damages, so the above limitation may not 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 OR APPLY TO THE SOFTWARE PROVIDED
IN CONNECTION WITH THIS WARRANTY STATEMENT.