Use rsync if it's a working set of data, that is the data changes regularly and you want to keep everything in sync. Otherwise DD for speed! > -----Original Message----- > From: fedora-list-bounces@xxxxxxxxxx [mailto:fedora-list- > bounces@xxxxxxxxxx] On Behalf Of Dan Thurman > Sent: 01 December 2009 18:02 > To: Fedora Users > Subject: To dd or to rsync, that's the question... > > > Which is the preferred "backup" solution? > > As it seems, when I use rsync to copy data from disk1 partitionX > over to disk2 partition X, I noticed that if one uses Fedora Selinux, > one has to touch /.autorelabel for that partition. It seems to work, > except in cases where the UUID is being "hard-wired" especially > with HAL devices and I started noticing it in cases where xorg > devices are sometimes spitting out errors showing UUID devices, > and crashes Nautilus but recovers and it does this almost every time > the system is rebooted into Fedora. > > On the other hand, if one decides to use dd instead, does this preserve > the UUID of the devices including that of the disk partition and it > should work perfectly even without the use of /.autorelabel? > > I am trying to get data off of disk1 which is failing (via smartd) and > wish to use the correct backup and restore method getting the data > off of disk1 onto disk2 without "integrity loss", whatever that means. > > In the case of dd, it falls flat, if there are sector errors and this > would > not work, as in my case - so backup programs that do byte copy would > perhaps also fail. This was the reason I was forced to use rsync in > order > to get the data copied over (with errors: I had two files corrupted and > I assumed that a reinstall of the OS would pickup the missing pieces) > so this leads to Vista as follows on this case, however, I experimented > on another system using dd and Vista, it seems to make no difference > at all when trying to 'upgrade' or reinstall the OS on top of the > existing > OS. > > I noticed that dd was the only solution for XP and it works, on the > other hand it does not work for Vista. What I did in the Vista case > was to rsync the Vista partition to disk2/Vista partition, bootrec > /fixBoot, > set "active" (boot) to the drive2/Vista partition and completely > reinstall > Vista (because I could not figure out how to 'update' instead of > Install > as the Update was greyed out), and in doing it this way, the Vista/DVD > seemed to recognize the partition as such, but moved the contents to > "windows.old" and proceeded to complete the installation. Of course, > this means a complete manual reinstall of 3rd party software and user > profile, a royal pain in the a$$. Interestingly though, it appears > that > one does not need to reactivate the license, and I have yet to see it > being > asked for. > > Any pointers/advice is appreciated! > > Kind regards, > Dan > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list > Guidelines: > http://fedoraproject.org/wiki/Communicate/MailingListGuidelines -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
