I have recently migrated from Windows XP to Ubuntu 12.04 LTS and am trying to understand how to reproduce the functionality I used in Windows for backups, and if possible improve it.
I used to run Seagate Disc Wizard (re-badged Acronis I think) manually once a week to produce a full image backup of my disk on an NTFS external drive, while I continued using the system. This enabled me to restore the whole system in case of a disk crash or virus, and to access individual files simply if required. Of course any changes made since the backup would be lost but whole system restore was rare and I didn't mind that level of loss.
I can't find any way in Linux to do a hot full-image backup – is that correct? Failing that I am planning on the following approach: Once a week back up all below / to the external drive using rsync. As required do an incremental backup using rsync. These backups will enable me to access individual files – from Linux or Windows. If I have to restore the whole system I will wipe the disk, recreate Ubuntu using the original distribution DVD and then use rsync to restore the whole lot below /.
Will this approach restore the system to how it was at the last backup?
- Is there any problem overwriting everything below / while the system is live?
- Would there be any advantage to using Mondo Rescue or Clonezilla to create a copy of the “core” stuff? I don't expect disaster recovery to be required very often so speed is not of the essence, but I do want it to be straightforward and low stress :)
I have read quite a lot of the documentation and forum entries but am struggling a bit to understand these points. Any help would be appreciated.