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White space fix only. Translators can ignore.

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Dru Lavigne 2014-04-09 18:20:06 +00:00
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Notes: svn2git 2020-12-08 03:00:23 +00:00 
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en_US.ISO8859-1/books/handbook/disks/chapter.xml
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@ -1926,38 +1926,38 @@ cd0: Attempt to query device size failed: NOT READY, Medium not present - tray c
</example> </example>
</sect2> </sect2>
<sect2 xml:id="backups-tapebackups"> <sect2 xml:id="backups-tapebackups">
<title>Using Data Tapes for Backups</title> <title>Using Data Tapes for Backups</title>
<indexterm><primary>tape media</primary></indexterm> <indexterm><primary>tape media</primary></indexterm>
<para>While tape technology has continued to evolve, <para>While tape technology has continued to evolve, modern
modern backup systems tend to combine backup systems tend to combine off-site backups with local
off-site backups with local removable media. removable media. &os; supports any tape drive that uses
&os; supports any tape drive that <acronym>SCSI</acronym>, such as <acronym>LTO</acronym> or
uses <acronym>SCSI</acronym>, such as <acronym>LTO</acronym> or <acronym>DAT</acronym>. There is limited support for
<acronym>DAT</acronym>. There is limited support for <acronym>SATA</acronym> <acronym>SATA</acronym> and <acronym>USB</acronym> tape
and <acronym>USB</acronym> tape drives.</para> drives.</para>
<para>For <acronym>SCSI</acronym> tape devices, &os; uses the &man.sa.4; driver and the <para>For <acronym>SCSI</acronym> tape devices, &os; uses the
<filename>/dev/sa0</filename>, <filename>/dev/nsa0</filename>, &man.sa.4; driver and the <filename>/dev/sa0</filename>,
and <filename>/dev/esa0</filename> devices. The physical device name is <filename>/dev/nsa0</filename>, and
<filename>/dev/sa0</filename>. When <filename>/dev/esa0</filename> devices. The physical device
<filename>/dev/nsa0</filename> is used, the backup application will name is <filename>/dev/sa0</filename>. When
not rewind the <filename>/dev/nsa0</filename> is used, the backup application
tape after writing a file, which allows writing more than one will not rewind the tape after writing a file, which allows
file to a tape. Using <filename>/dev/esa0</filename> writing more than one file to a tape. Using
ejects the tape after the device is closed.</para> <filename>/dev/esa0</filename> ejects the tape after the
device is closed.</para>
<para>In &os;, <command>mt</command> is used to control <para>In &os;, <command>mt</command> is used to control
operations of the tape drive, such as seeking through files on operations of the tape drive, such as seeking through files on
a tape or writing tape control marks to the tape. For a tape or writing tape control marks to the tape. For
example, the first three files on a tape can be example, the first three files on a tape can be preserved by
preserved by skipping past them before writing a new skipping past them before writing a new file:</para>
file:</para>
<screen>&prompt.root; <userinput>mt -f /dev/nsa0 fsf 3</userinput></screen> <screen>&prompt.root; <userinput>mt -f /dev/nsa0 fsf 3</userinput></screen>
<para>This utility supports many operations. Refer to <para>This utility supports many operations. Refer to
&man.mt.1; for details.</para> &man.mt.1; for details.</para>
@ -1967,8 +1967,8 @@ cd0: Attempt to query device size failed: NOT READY, Medium not present - tray c
<screen>&prompt.root; <userinput>tar cvf /dev/sa0 <replaceable>file</replaceable></userinput></screen> <screen>&prompt.root; <userinput>tar cvf /dev/sa0 <replaceable>file</replaceable></userinput></screen>
<para>To recovering files from a <command>tar</command> archive on tape into <para>To recovering files from a <command>tar</command> archive
the current directory:</para> on tape into the current directory:</para>
<screen>&prompt.root; <userinput>tar xvf /dev/sa0</userinput></screen> <screen>&prompt.root; <userinput>tar xvf /dev/sa0</userinput></screen>
@ -1979,12 +1979,13 @@ cd0: Attempt to query device size failed: NOT READY, Medium not present - tray c
<screen>&prompt.root; <userinput>dump -0aL -b64 -f /dev/nsa0 /usr</userinput></screen> <screen>&prompt.root; <userinput>dump -0aL -b64 -f /dev/nsa0 /usr</userinput></screen>
<para>To interactively restore files from a <command>dump</command> file on <para>To interactively restore files from a
tape into the current directory:</para> <command>dump</command> file on tape into the current
directory:</para>
<screen>&prompt.root; <userinput>restore -i -f /dev/nsa0</userinput></screen> <screen>&prompt.root; <userinput>restore -i -f /dev/nsa0</userinput></screen>
</sect2> </sect2>
<sect2 xml:id="backups-programs-amanda"> <sect2 xml:id="backups-programs-amanda">
<title>Third-Party Backup Utilities</title> <title>Third-Party Backup Utilities</title>
@ -1994,11 +1995,10 @@ cd0: Attempt to query device size failed: NOT READY, Medium not present - tray c
<para>The &os; Ports Collection provides many third-party <para>The &os; Ports Collection provides many third-party
utilities which can be used to schedule the creation of utilities which can be used to schedule the creation of
backups, simplify tape backup, and make backups, simplify tape backup, and make backups easier and
backups easier and more convenient. more convenient. Many of these applications are client/server
Many of these applications are client/server based based and can be used to automate the backups of a single
and can be used to automate the backups of a single system or system or all of the computers in a network.</para>
all of the computers in a network.</para>
<para>Popular utilities include <para>Popular utilities include
<application>Amanda</application>, <application>Amanda</application>,