diff options
| -rw-r--r-- | en_US.ISO8859-1/books/handbook/disks/chapter.sgml | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/en_US.ISO8859-1/books/handbook/disks/chapter.sgml b/en_US.ISO8859-1/books/handbook/disks/chapter.sgml index fcf1344d7f..95b5006641 100644 --- a/en_US.ISO8859-1/books/handbook/disks/chapter.sgml +++ b/en_US.ISO8859-1/books/handbook/disks/chapter.sgml @@ -1467,36 +1467,38 @@ sa0(ncr1:4:0): Logical unit is in process of becoming ready</screen> these are typically mount points for other filesystems or symbolic links into those filesystems.</para></note> - <para><command>dump</command>has quirks that remain from its early days in + <para><command>dump</command> has quirks that remain from its early days in Version 6 of AT&T Unix (circa 1975). The default parameters are suitable for 9-track tapes (6250 bpi), not the high-density media available today (up to 62,182 ftpi). These defaults must be overridden on the command line to utilize the capacity of current tape drives.</para> - <indexterm><primary><filename>rhosts</filename></primary></indexterm> + <indexterm><primary><filename>.rhosts</filename></primary></indexterm> <para>It is also possible to backup data across the network to a tape drive attached to another computer with <command>rdump</command> and <command>rrestore</command>. Both programs rely upon <command>rcmd</command> and <command>ruserok</command> to access the remote tape drive. Therefore, - the user performing the backup must have - <literal>rhosts</literal> access to the remote computer. The + the user performing the backup must be listed in the + <filename>.rhosts</filename> file on the remote computer. The arguments to <command>rdump</command> and <command>rrestore</command> must be suitable - to use on the remote computer. (e.g. When + to use on the remote computer. When <command>rdump</command>ing from a FreeBSD computer to an Exabyte tape drive connected to a Sun called - <hostid>komodo</hostid>, use: <command>/sbin/rdump 0dsbfu - 54000 13000 126 komodo:/dev/nrsa8 /dev/rda0a - 2>&1</command>) Beware: there are security implications to - allowing <literal>rhosts</literal> commands. Evaluate your + <hostid>komodo</hostid>, use:</para> + + <screen>&prompt.root; <userinput>/sbin/rdump 0dsbfu 54000 13000 126 komodo:/dev/nrsa8 /dev/rda0a 2>&1</userinput></screen> + + <para>Beware: there are security implications to + allowing <filename>.rhosts</filename> authentication. Evaluate your situation carefully.</para> - <para>It is also possible to use <command>rdump</command> and - <command>rrestore</command> in a more secure fashion over + <para>It is also possible to use <command>dump</command> and + <command>restore</command> in a more secure fashion over <command>ssh</command>.</para> <example> - <title>Using <command>rdump</command> over <application>ssh</application></title> + <title>Using <command>dump</command> over <application>ssh</application></title> <screen>&prompt.root; <userinput>/sbin/dump -0uan -f - /usr | gzip -2 | ssh1 -c blowfish \ targetuser@targetmachine.example.com dd of=/mybigfiles/dump-usr-l0.gz</userinput></screen> @@ -1525,8 +1527,11 @@ sa0(ncr1:4:0): Logical unit is in process of becoming ready</screen> <command>tar</command>, which FreeBSD utilizes, supports remote devices using the same syntax as <command>rdump</command>. To <command>tar</command> to an Exabyte tape drive connected to a - Sun called <hostid>komodo</hostid>, use: <command>/usr/bin/tar - cf komodo:/dev/nrsa8 . 2>&1</command>. For versions without + Sun called <hostid>komodo</hostid>, use:</para> + + <screen>&prompt.root; <userinput>/usr/bin/tar cf komodo:/dev/nrsa8 . 2>&1</userinput></screen> + + <para>For versions without remote device support, you can use a pipeline and <command>rsh</command> to send the data to a remote tape drive.</para> |