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Document new backup scripts behavior

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Sergey Poznyakoff
2005-05-26 12:50:43 +00:00
parent 2c49c610be
commit 77e56f876d
1 changed files with 18 additions and 7 deletions
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doc/tar.texi
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@@ -4929,8 +4929,12 @@ using @option{--time} option (@pxref{Scripted Backups}).
@end defvr
@defvr {Backup variable} TAPE_FILE
The device @command{tar} writes the archive to. This device should be
attached to the host on which the dump scripts are run.
The device @command{tar} writes the archive to. If @var{TAPE_FILE}
is a remote archive (@pxref{remote-dev}), backup script will suppose
that your @command{mt} is able to access remote devices. If @var{RSH}
(@pxref{RSH}) is set, @option{--rsh-command} option will be added to
invocations of @command{mt}.
@end defvr
@defvr {Backup variable} BLOCKING
@@ -4987,17 +4991,23 @@ A path to the file containing the list of the individual files to backup
or restore. By default it is @file{/etc/backup/files}.
@end defvr
@defvr {Backup variable} RSH
@defvr {Backup variable} MT
Path to @code{rsh} binary or its equivalent. You may wish to
Full file name of @command{mt} binary.
@end defvr
@defvr {Backup variable} RSH
@anchor{RSH}
Full file name of @command{rsh} binary or its equivalent. You may wish to
set it to @code{ssh}, to improve security. In this case you will have
to use public key authentication.
@end defvr
@defvr {Backup variable} RSH_COMMAND
Path to rsh binary on remote mashines. This will be passed via
@option{--rsh-command} option to the remote invocation of @GNUTAR{}.
Full file name of @command{rsh} binary on remote mashines. This will
be passed via @option{--rsh-command} option to the remote invocation
of @GNUTAR{}.
@end defvr
@defvr {Backup variable} VOLNO_FILE
@@ -5042,7 +5052,7 @@ this will just be some literal text.
@defvr {Backup variable} TAR
Pathname of the @GNUTAR{} executable. If this is not set, backup
Full file name of the @GNUTAR{} executable. If this is not set, backup
scripts will search @command{tar} in the current shell path.
@end defvr
@@ -5481,6 +5491,7 @@ $ @kbd{cd sourcedir; tar -cf - . | (cd targetdir; tar -xf -)}
@cindex Standard input and output
@cindex tar to standard input and output
@anchor{remote-dev}
To specify an archive file on a device attached to a remote machine,
use the following: