04-06-2010
You're really only left with one option for restoring from tarball, aside from going into rescue mode. First, put the tarball on some sort of removable media (likely an external USB hard drive, given the size). Second, do a fresh install on the system in question. Mount the external media with the tarball. Extract the usual configuration directories (/etc/, /usr/local/, /opt, /var/lib) and /home, after installing the software required.
Hypothetically, you could uncompress the tarball somewhere else and do a straight dd or block level copy, but I have my doubts that would work unless you manipulated the boot loader after, to agree with the uncompressed kernel and content. I agree with ahyes, the bigger picture is coming up with a better backup method. You can backup with tar, but using tar to backup is really more of a supplemental solution to configurations, databases, home directories - not binaries. You're best bet, if using tar to backup everything important, is to create a kickstart image. That way, if you need to restore, you simply run the kickstart and extract your tar.
Last edited by sun2ecliptic; 04-06-2010 at 10:04 PM..
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LEARN ABOUT BSD
shape_tar
SHAPE_TAR(1) General Commands Manual SHAPE_TAR(1)
NAME
shape_tar - shapeTools RMS bundle up subsystem in a tar or shar archive
SYNOPSIS
shape tar[VERSIONS=<version_selection_rule>] [ARCHIVE=<filename>]
shape shar[VERSIONS=<version_selection_rule>] [ARCHIVE=<filename>]
DESCRIPTION
Shape tar and shape shar create a tar or a shar archive containing all source components of the current node in the system tree. All source
components listed in the COMPONENTS macro in the Makefile and the release identification file (VERSIONFILE) are written to the archive.
Components of subsystems are not included in the archive file.
The VERSIONS macro may be set to specify a version selection rule to be active during archive file creation. Default is most_recent,
selecting the most recent version of each component. See shape_stdrul(7) or the $(SHAPELIBPATH)/stdrules for other possible settings. You
may also use self defined version selection rules as VERSIONS.
ARCHIVE is the base name of the file where the output shall be written to. Default is $(SUBSYSTEMNAME). The output file gets the filename
extension .tar (resp. .shar). When ARCHIVE=- is given, data will be written to standard output.
SEE ALSO
shape_RMS(1), shape_stdrul(7)
FILES
$(SUBSYSTEMNAME).tar $(SUBSYSTEMNAME).shar
9.9.119 SHAPE_TAR(1)