Hp Ultrium drive Product manual

HP Ultrium tape drives

Technical reference manual

Generation 3 drives

Volume 5—Unix configuration guide

Part number: Q1538–90925 Volume 5

Edition 6.1, December 2004

Legal and notice information

The information contained in this document is subject to change without notice.

Hewlett-Packard 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 direct,

indirect, special, incidental or consequential damages in connection with the furnishing, performance, or use of this document.

be photocopied, reproduced or translated to another language without the prior written consent of Hewlett-Packard.

Revision history

This document is frequently revised and updated. To find out if there is a later version, please ask your HP OEM Representative.

Version Date Changes

Edition 6 September 2004 Generation 3 SCSI and FC drive version

Edition 6.1 December 2004 Reformatted and updated

Contents

The purpose of this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Related documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Documents specific to HP Ultrium drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Documentation map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

General documents and standardization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1Introduction

The Purpose of this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Ultrium Drives in a Library. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Backup Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2HP-UXSystems

HP Servers and Workstations—HP-UX 11.x . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Determining the SCSI ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Creating the Device Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

What Next?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3HPAlphaUNIX

HP Alpha UNIX 5.x. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

What Next? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4IBM(AIX)

Determining the SCSI ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Configuring the Device Files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5 Linux

Determining the SCSI ID (Linux) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Configuring on Linux Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Using the Seek and Tell Features of mt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

What Next?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

6 Sun Systems, Solaris 8, 9, 10

Determining the SCSI ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Configuring the Device Files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

HP-Data Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Contents

4Contents

7 Verifying the Installation

Verifying the Installation of the Drive (UNIX). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

To verify the installation:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Example:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

The purpose of this manual 5

The purpose of this manual

This is one of six volumes that document HP Ultrium drives. This volume provides background

information for driver and application developers. The following products are covered.

Capacities are when the drive is using data compression with a compression ratio of 2:1,

where applicable:

•HP Ultrium Generation 3 Full-Height SCSI Internal Drive

•HP Ultrium Generation 3 Full-Height FC Internal Drive

NOTE: Throughout this manual frequent reference is made to SCSI commands. For more

information on SCSI commands for HP Ultrium drives see volume 3, The SCSI Interface, of the

HP Ultrium Technical Reference Manual set. Ordering details are given below.

Related documents 9

Copies of General Documents can be obtained from:

ANSI 11 West 42nd Street

New York, NY 10036-8002

USA

ISO CP 56

CH-1211 Geneva 20

Switzerland

ECMA 114 Rue du Rhône

CH-1204 Geneva

Switzerland

Tel: +41 22 849 6000

Web URL: http://www.ecma.ch

Global Engineering Documents 2805 McGaw

Irvine, CA 92714

USA

Tel: 800 854 7179 or 714 261 1455

The Purpose of this Manual

Introduction

1Introduction

The Purpose of this Manual

This manual provides basic information on configuring the drives with various operating

systems.

Please see the top-level release notes that accompany the drive for expected functionality and

features.

Ultrium drives are supported on the following platforms:

•HP UNIX systems (HP-UX) (Chapter 2)

•HP Alpha UNIX (Chapter 3)

•IBM (AIX) (Chapter 4)

•Linux (Chapter 5)

•Sun Systems, Solaris 8, 9, 10 (Chapter 6)

For platforms not mentioned here, please contact HP because there may be new connectivity

details available that arrived after the release notes were published.

See Chapter 7 for details of how to verify the installation.

Ultrium Drives in a Library

Ultrium drives may also be used in a library. However, instructions about installing device

drivers for automatic robotics are not included in this manual.

Backup Applications

For optimum performance it is important to use a backup application that supports the drive’s

features within your system’s configuration. Please see the “Getting Started Guide” for more

information about usage models.

The following applications are suitable for use within an enterprise environment and have been

tested with Ultrium drives. They use the operating system’s standard, built-in device drivers, as

Introduction12

described in this manual. For further information about optimizing performance and making

full use of the drive’s functions, please contact the software manufacturer or HP

1. Cell Manager is only available on HP-UX or Windows

2. Redhat Server only (not Caldera, Suse, and so on)

HP-UX AIX Sun, Solaris Linux

HP Omniback1yes yes yes yes

Legato Networker yes yes yes yes

Veritas NetBackup yes yes yes yes2

HP Servers and Workstations—HP-UX 11.x

HP-UX Systems

2HP-UXSystems

HP Servers and Workstations—HP-UX 11.x

NOTE: HP-UX 10.x is only supported by Generation 1 Ultrium drives.

Introduction

Before you install your tape drive log on to the HP web site, www.hp.com, and download the

latest hardware enablement patch bundle for your operating system. This ensures that you will

have the correct device driver for your tape drive.

Determining the SCSI ID

Before you configure your system to support your new HP Ultrium drive, you need to determine

what SCSI ID to use. The SCSI ID must be unique for each device attached to the SCSI bus. To

list the existing devices, use the following command:

% /sbin/ioscan -f

The output of this should look similar to the following example:

Class I H/W Path Driver S/W State H/W Type Description

=================================================================================

bc 0 root CLAIMED BUS_NEXUS

bc 1 8 bc CLAIMED BUS_NEXUS Psudo Bus Converter

ba 0 8/0 GSCtoPCI CLAIMED BUS_NEXUS GSCtoPCI Bridge

ext_bus 1 8/0/2/0 c720 CLAIMED INTERFACE SCSI C895 Ultra2 Wide LVD

target 0 8/0/2/0.7 tgt CLAIMED DEVICE

ctl 1 8/0/2/0.7.0 sctl CLAIMED DEVICE Initiator

lan 0 8/0/20/0 btlan3 CLAIMED INTERFACE PCI(10110019) -- Built-in #1

ba 1 8/16 bus_adapter CLAIMED BUS_NEXUS Core I/O Adapter

tty 0 8/16/4 asio0 CLAIMED INTERFACE Built-in RS-232C

ext_bus 2 8/16/5 c720 CLAIMED INTERFACE Built-in SCSI

target 1 8/16/5.5 tgt CLAIMED DEVICE

disk 0 8/16/5.5.0 sdisk CLAIMED DEVICE SEAGATE ST34573N

target 2 8/16/5.7 tgt CLAIMED DEVICE

ctl 2 8/16/5.7.0 sctl CLAIMED DEVICE Initiator

processor 0 62 processor CLAIMED PROCESSOR Processor

memory 0 63 memory CLAIMED MEMORY Memory

After you have installed the new tape drive, you can check that it has been attached

successfully. From a shell window (hpterm/xterm), execute ioscan to display the list of

attached devices.

HP-UX Systems14

For an HP Ultrium drive, execute the following:

% /sbin/ioscan -f | grep "Ultrium"

The new lines should look similar to the following, where the 4in the Ifield represents the

instance of the SCSI tape driver, not the SCSI ID:

tape 4 2/0/1.5.0 stape CLAIMED DEVICE HP Ultrium 3-SCSI

NOTE: If you are installing the drive onto a Storage Area Network (SAN), the fibre channel/

SCSI bridge will also appear in the list of attached devices.

If you cannot find the Ultrium drive, this may be because the kernel does not contain the

correct driver. Use the System Administration Manager (sam) to add stape to the kernel:

To add stape to the kernel using sam:

1. % sam

2. Select the following:

Kernel Configuration

Drivers

3. Highlight the stape driver. If the driver has not been added to the kernel, both Current State

and Pending State will read “Out”.

4. Select the following:

Actions

Add Driver to Kernel

The Pending State will now read “In”.

5. To add the new driver to the kernel, select:

Actions

Create a New Kernel

6. The stape driver will now be added to the kernel and then the system will reboot.

Creating the Device Files

Once you have verified the tape drive connection, you will need to create the appropriate

device files for the drive. Normally, you would have rebooted your system after attaching the

tape drive, and this process runs insf. However, if you have not rebooted your system since

attaching the drive, you can create device files by one of two ways, either through the System

Administration Manager (sam), or by executing the mksf command.

To add device files using sam:

This is the recommended and simplest way to create device files.

HP Servers and Workstations—HP-UX 11.x

HP-UX Systems

1. % sam

This will bring up the graphical user interface for the utility.

2. Select the following:

Peripheral Devices

Tape Drives

sam will then scan the system for any tape drives connected.

When an HP Ultrium Generation 3 drive is found, it will be displayed as:

Hardware Path Driver Description

===========================================================

8/0/2/0.3.0 stape HP Ultrium 3-SCSI

3. Highlight the Ultrium drive and select the following from the tool bar:

Actions

Create Device Files

Create Default Device Files

This will create default device files for the drive. To view the device files that have been

created, select:

Actions

Create Device Files

Show Device Files

where:

4. When you have exited sam, run ioscan to see the tape drive:

%/sbin/ioscan -C tape -fn

Device File Description

is the instance number of the drive:

m

mn

mb

mnb

AT&T encoding, rewind driver

AT&T encoding, non-rewind driver

Berkeley encoding, rewind driver

<X>

<Y>

<Z>

is the card number,

is the target number,

is the LUN number:

cXtYbZBEST

cXtYbZBESTb

cXtYbZBESTn

cXtYbZBESTnb

Best compression driver, AT&T encoding, with rewind

Best compression driver, Berkeley encoding, with rewind

Best compression driver, AT&T encoding, non-rewind

Best compression driver, Berkeley encoding, non-rewind

HP-UX Systems16

To create device files using mksf:

NOTE: This method is not recommended.

1. Run insf as follows:

% /sbin/insf -C tape

2. Create the device files for the devices using the mksf command as follows:

% /sbin/mksf -d stape -I <instance> [-n] [-u] /dev/rmt/X<name>

where:

See the man page (man 1m mksf) for other options of the mksf command. The stape section

covers the SCSI tape driver options. The man page man 7 mt describes the long filenames used

in HP-UX 10.xand later.

Example:

To create a device file with the following characteristics:

Argument Description

-d stape Specifies the SCSI tape driver

-I <instance> Specifies the tape drive’s hardware address via the instance of the SCSI tape

driver. The first instance is 0, the second 1, and so on.

[-n] Specifies no rewind; absence of this parameter indicates rewind mode

[-u] Specifies Berkeley mode; absence of this parameter indicates AT&T mode.

Berkeley and AT&T modes differ in their read-only close behavior:

•In Berkeley mode, the tape position will remain unchanged by a device

close operation.

•In AT&T mode, a device close operation will cause the tape to be

repositioned just after the next tape filemark (the start of the next file).

In most cases, Berkeley mode should be used.

/dev/rmt/X<name> Specifies the path of the device file, where:

XSpecifies the tape device identifier. Use the next available

identifier. You can examine the contents of /dev/rmt using the

ls command to determine which identifiers have already been

used.

<name> Specifies the short name (in HP-UX 9.x-style) of the device file:

mnb No rewind, compression disabled, Berkeley-mode device

hnb No rewind, compression disabled, Berkeley-mode device

mnb No rewind, compression disabled, Berkeley-mode device

hnb No rewind, compression enabled, Berkeley-mode device

What Next?

HP-UX Systems

•A hardware address specified by instance 5 (-I 5)

•No rewind (-n)

•Berkeley mode tape positioning on close (-u)

•A filename of 4mnb, where 4is the tape device identifier (/dev/rmt/4mnb)

You would execute the following:

% /sbin/mksf -d stape -I 4 -n -u /dev/rmt/4mnb

You can check that the appropriate device file was created using the lssf command as

follows:

% /sbin/lssf /dev/rmt/4mnb

This should produce the following output to show that the device file now exists:

stape card instance 0 SCSI target 6 SCSI LUN 0 berkeley no rewind

BEST density at address 2/0/1.6.0 /dev/rmt/4mnb

To create a device file for Ultrium in uncompressed mode, you should use a command such as:

mksf -H -a -b U_18

and for compressed mode (default):

mksf -H -a -b U_18C

The hardware path can be found from previous ioscan output.

What Next?

Once the device files have been created, you should confirm that your new tape drive is

working properly. Chapter 7, “Verifying the Installation” provides instructions on backing up

and restoring a sample file to test your installation.

HP-UX Systems18

HP Alpha UNIX 5.x

HP Alpha UNIX

3 HP Alpha UNIX

HP Alpha UNIX 5.x

1. Add the following entry to your /dev/ddr.dbase file:

SCSIDEVICE

Type = tape

Name = “HP” “Ultrium”

PARAMETERS:

TypeSubClass = lto # Linear Tape Open

BlockSize = 262144

TagQueueDepth = 0

MaxTransferSize = 0xffffff # 16Mb - 1

ReadyTimeSeconds = 120 # Seconds

SyncTransfers = enabled

WideTransfers = enabled

InquiryLength = 0x20

DENSITY:

DensityNumber = 0,1,2,3,4,5,6,7

OneFileMarkOnClose = yes

DensityCode = 0x44

Blocking = 0

CompressionCode = 1

Buffered = 1

Speed = 0

MODESELECT:

ModeSelectNumber = 0

SavePage = No

PageFormat = scsi2

BlockDescriptor = yes

TransferLength = 16

Hdr.Tape.BufferMode = 0x1

Hdr.MediumType = 0

HP Alpha UNIX20

Data.UBYTE[0] = 0x3D # Vendor Unique Page Code 3D

Data.UBYTE[1] = 0x02

Data.UBYTE[2] = 0x01

Data.UBYTE[3] = 0x00

2. Rebuild the kernel by running /sbin/ddr_config, then reboot the system with the tape

drive attached. The device files for the Ultrium drive will be generated in /dev/tape and /

dev/ntape when you reboot.

3. The names of the device files can be interpreted as follows:

Devices in the /dev/ntape directory are “no-rewind” devices. Those in /dev/tape will do

a rewind on close.

The device files then have the syntax: tapeX_dn

For example, /dev/ntape/tape66_d1 is a device file for device 66, no-rewind using

density number 1. Since all density numbers have the same parameters it does not matter

which density number file is used.

What Next?

Once the device files have been created, you should confirm that your new tape drive is working

properly. Chapter 7, “Verifying the Installation” provides instructions on backing up and restoring

a sample file to test your installation.

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