John Goerzen wrote: > Hi everyone, > > I installed BackupPC to try it out for backing up Linux systems, and I > have a few questions about it. > > First, the on-disk compression format makes me nervous. It appears to > use the deflate algorithm, but cannot be unpacked with either gzip or > unzip. It would seem that the few bytes that adding a gzip header > means would be well worth it, since it would buy the ability to > extract it without using specialized tools. It also makes me nervous > because it isn't a completely off-the-shelf implementation, and > doesn't appear to store a CRC in the file; is there integrity checking > anywhere? >
http://backuppc.sourceforge.net/faq/BackupPC.html#compressed_file_format and http://backuppc.sourceforge.net/faq/BackupPC.html#backuppc_operation > Secondly, I would love to be able to use bzip2 for the on-disk > compression of each backup. It appears that bzip2 can be used for > archives, but not the regular backups. Is this in the works anywhere? > > Third, I'm wondering how well BackupPC deals with sparse files. I > notice that the examples for tar are not giving -S to detect sparse > files. Does BackupPC store sparse files efficiently, even if not > using compression? On restoration, what will it do with sparse files > -- will it re-create the holes? > See http://backuppc.sourceforge.net/faq/BackupPC.html#how_to_backup_a_client. Specifically "$Conf{TarClientCmd}" or "$Conf{RsyncClientCmd}". Adjust the tar (or rsync) command to your preference. > Thanks, > > -- John Chris ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ BackupPC-users mailing list [email protected] List: https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki: http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
