Example - HP 157770-001 - DAT Drive 20/40 Tape Configuration Manual

NOTE: Make sure you prefix the file name with '
restore operation in step 3 will overwrite the original copy on disk.
3. Read the file back from tape:
% cd /tmp
% tar xvf <archive name>
The ' ' option to
x
Use the same value for the
4. Compare the original with this retrieved file:
% cmp <original file> /tmp/<retrieved file>
This step compares the retrieved file and the original file byte by byte. If they are the same, there
should be no output, and this verifies that the installation is correct. The arguments are as
follows:
<original file>
<retrieved file>

Example

Suppose you are verifying the installation of an HP DDS-format tape drive on a Linux system. The
procedure would be as follows. See "System-Specific Arguments" below for the choice of
and
name> <file>
1. Change directory to root:
% cd /
2. Back up
/boot/vmlinuz
% tar cvf /dev/st0 ./boot/vmlinuz
Note the prefix of '.' to the filename.
3. Change to the temporary directory:
% cd /tmp
4. Extract the file from the tape:
% tar xvf /dev/st0
5. Compare the original with the restored version:
% cmp /boot/vmlinuz /tmp/boot/vmlinuz
Note that the original filename is not prefixed with '.'.
38 Verifying the installation
here means "extract from the archive".
tar
<archive name
The name of the original file, prefixed with '
Example:
/boot/vmlinuz
The name of the file retrieved from the archive.
Example:
boot/vmlinuz
arguments:
to tape:
' when you back it up to tape. If you do not, the
.
> argument as in step 2.
'.
/
<archive