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ansi-labels.tex
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ansi-labels.tex
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\section{Tape Labels: ANSI or IBM}
\label{AnsiLabelsChapter}
\index[general]{Labels!Tape}
\index[general]{Tape!Label!ANSI}
\index[general]{Tape!Label!IBM}
Bareos supports ANSI or IBM tape labels as long as you
enable it. In fact, with the proper configuration, you can
force Bareos to require ANSI or IBM labels.
Bareos can create an ANSI or IBM label, but if Check Labels is
enabled (see below), Bareos will look for an existing label, and
if it is found, it will keep the label. Consequently, you
can label the tapes with programs other than Bareos, and Bareos
will recognize and support them.
Even though Bareos will recognize and write ANSI and IBM labels,
it always writes its own tape labels as well.
When using ANSI or IBM tape labeling, you must restrict your Volume
names to a maximum of six characters.
If you have labeled your Volumes outside of Bareos, then the
ANSI/IBM label will be recognized by Bareos only if you have created
the HDR1 label with {\bf BAREOS.DATA} in the Filename field (starting
with character 5). If Bareos writes the labels, it will use
this information to recognize the tape as a Bareos tape. This allows
ANSI/IBM labeled tapes to be used at sites with multiple machines
and multiple backup programs.
\subsection{Director Pool Directive}
\begin{description}
\xdirective{dir}{Label Type}{ANSI{\textbar}IBM{\textbar}Bareos}{required}{Bareos}{}{This directive is implemented in the Director Pool resource and in the SD Device
resource. If it is specified in the SD Device resource, it will take
precedence over the value passed from the Director to the SD.}
\end{description}
\subsection{Storage Daemon Device Directives}
\begin{description}
\xdirective{sd}{Label Type}{ANSI{\textbar}IBM{\textbar}Bareos}{}{}{}{This directive is implemented in the Director Pool resource and in the SD Device
resource. If it is specified in the the SD Device resource, it will take
precedence over the value passed from the Director to the SD.}
\xdirective{sd}{Check Label}{yes{\textbar}no}{}{no}{}{This directive is implemented in the the SD Device resource. If you intend
to read ANSI or IBM labels, this *must* be set. Even if the volume is
not ANSI labeled, you can set this to yes, and Bareos will check the
label type. Without this directive set to yes, Bareos will assume that
labels are of Bareos type and will not check for ANSI or IBM labels.
In other words, if there is a possibility of Bareos encountering an
ANSI/IBM label, you must set this to yes.}
\end{description}