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Full Discussion: Making Tar of directory and tar file is going to be placed
Operating Systems AIX Making Tar of directory and tar file is going to be placed Post 302967135 by bakunin on Friday 19th of February 2016 04:54:29 PM
Old 02-19-2016
Quote:
Originally Posted by filosophizer
is it possible to make a Tar of completely directory and placing the tar file in it (will this cause even the tar file to tarred ?)
Yes, that is possible - it is just not worth the hassle.

Quote:
Originally Posted by filosophizer
will the tar file backup.tgz also include backup.tgz ?
Without taking precautions: yes, it will, although in an incomplete and unusable form.

Note that this here is the AIX-forum and hence i suppose you use AIX as your OS. The AIX tar (as opposed to the GNU tar) does NOT know the suggested "--exclude" option , because it is not required by POSIX. This means the suggested solution will not not work in AIX as long as you are not willing to install a lot of (GNU-)software.

You can achieve the same using some find-statement to produce a list of file names in the directory minus the one with the name of the tar-file itself and feed that into tar. But, frankly: wouldn't be writing the tar-file elsewhere and finally moving it be a lot easier? In principle it is possible to walk from Europe to China on your hands, but: an airplane will get you there as well and it will be less tedious.

If you think about backing up your database that way, be warned: tar follows the ustar-standard and this limits the single input file to 8G of size. Therefore tar is a poor tool for database backups. (btw: cpio does the same). For the backup of Oracle databases consider using the Oracle-framework called RMAN and some backup tool. You need it anyway because you need to constantly shovel the archive logs off the machine when the DB is running.

I hope this helps.

bakunin
 

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LEARN ABOUT DEBIAN

barrybackup

BARRYBACKUP(1)						      General Commands Manual						    BARRYBACKUP(1)

NAME

       barrybackup - Barry Project's backup program for the BlackBerry handheld

SYNOPSIS

       barrybackup [-?][-d]

DESCRIPTION

       barrybackup is a GUI application for backing up and restoring Blackberry handheld databases.

       The  application  allows for filtering of databases for both backup and restore, so not all databases need to be backed up at once, nor all
       restored.

       Backups and configuration files are stored by default in the user's home directory, under ~/.barry/backup/PIN.	This  destination  can	be
       changed in the config dialogs, per device.

       The backup files are compressed tarballs containing specially named files for each record of the databases.

OPTIONS

       -d     --debug-output Enables low level protocol debug output written to stdout/stderr.

       --display=DISPLAY
	      Specify which X display to use.

       -?     --help Show summary of options.

       -h, --help
	      Show summary of options.

TAR FORMAT

       Backups are stored in tar format, compressed with gzip.	Backup files are named with the following pattern:

	    PIN-YYYYMMDD-HHMMSS[-tag_name].tar.gz

       The tag name is optional and is used to name a particular backup.

       Each record is appended to the tar file using the following pattern for the filename:

	    DBname/RecordID RecordTypeID

       That is, the database name is used as the directory name, and the filename contains the record ID and record type ID separated by a space.

       Database names can contain spaces.

       Record  IDs  are generally unique, but not all Blackberry devices mandate this, so it is possible, but rare, to have two records in the tar
       file with the same filename.  This is ok.  The only problem you'd see is if you expanded such a tar file  to  a	filesystem.   The  restore
       process just reads in the filename sequentially and writes them to the device, so duplicate record IDs are not a problem.

AUTHOR

       barrybackup is part of the Barry project.  This manual page was written by Chris Frey.

SEE ALSO

       http://www.netdirect.ca/software/packages/barry

								   July 28, 2009						    BARRYBACKUP(1)
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