Which old backup sets should I delete?

  docjohn 10:10 20 Feb 2009

Every month I back up my two computers on a Seagate Freeagent external hard drive. I notice that the backed-up data does not overwrite previous backed-up data. If I did nothing, eventually the Seagate will become full. My question is, exactly what is stored during backup?

If ALL the files on the C-drive, say, are stored during backup, then I need only retain, say, the last two backup sets and I can delete all the previous backups. If only the CHANGES are stored, then obviously I need to retain the first ever backup set and I can delete the intervening ones between that and the most recent backup set.

So, what is the correct course of action?

  Diodorus Siculus 10:41 20 Feb 2009

What program are you using to make the backups?

  DJ Techz 10:45 20 Feb 2009

I use Memeo Auto Backup (with lifeagent (havent found out what that is yet)), and it only saves changes. You can leave the drive in and as soon as a file changes, it is backed up

  Diodorus Siculus 11:01 20 Feb 2009

click here - there may be something to explain it for you.

  docjohn 13:14 20 Feb 2009

I'm just using the standard backup program provided with Vista.

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