HP LTO Ultrium 6 tape drives UNIX, Linux and OpenVMS configuration guide

7 Verifying the installation

As part of the installation process, you will have installed the appropriate device driver for your

UNIX system, and created device files to communicate with the tape drive.

This section describes how you can verify the installation has been performed correctly.

In outline, the procedure is as follows:

1. Check the tape drive responds to a rewind command.

2. Write test data to a tape.

3. Read the test data from the tape.

4. Compare the data read from the tape with the original data on disk.

To verify the installation:

1. Test the SAS or Fibre Channel connection to the tape drive by performing a rewind:

a. If there is a tape cartridge already in the drive, remove it.

b. Insert a tape cartridge.

c. Rewind the tape using the command line:

% mt -f device file rewind

For example, on HP-UX 11i v2:

% mt -f /dev/rmt/c4t3d0BESTnb

For example, on HP-UX 11i v3 (using a persistent device file):

% mt -f /dev/rtape/tape0_BESTnb rewind

If the command completes successfully, there will be no feedback. If it fails, you will see

an error message on the console. There may be a reservation by another host, or a zone

change, or the hardware installation may be faulty. Check the troubleshooting section of

the User’s Guide for help in identifying the problem.

2. Write a sample file to tape, using ‘tar’:

% cd /

% tar cvf <device_file> <file>

The options to tar have the following meanings:

Create a new archive (backup file) on the device.c

Operate in verbose mode.v

Specify the device file explicitly.f

The arguments follow the cvf options in the command line. Their values depend on the

operating system; suggested values are given the appropriate operating system chapter. The

arguments are as follows:

The name of the device file for the drive.

Example:/dev/rmt/c4t3d0BESTnb

The name of the file to archive, prefixed with ‘./’.

<file>

Example:./stand/vmunix

NOTE: Make sure you prefix the file name with ‘.’ when you back it up to tape. If you do

not, the restore operation in step 3 will overwrite the original copy on disk.

To verify the installation: 25