[Zope] Re: backup full instances

Sam Stainsby sam at sustainablesoftware.com.au
Mon Oct 29 17:51:11 EDT 2007

On Mon, 29 Oct 2007 15:15:51 +0100, Jonas Meurer wrote:

>>From what others said, a local copy of the 'live Data.fs' is safe as
> well, as zope appends new transactions to the end of Data.fs.
> To quote Andreas Jung:
> 	"An inconsistent copy of the Data.fs is not the problem since
> 	 invalid transaction entries will be discarded by the ZODB."

That's the theory. But why trust a higher risk strategy, when there is a 
perfectly good tool for doing full and incremental backup that produces a 
compact and timestamped backup files as a coherent set of files in a 
backup repository? Not using it is just laziness. What happens, for 
instance, if by coincidence the database is being packed by some 
automated script at the same time as your automated backup occurs?


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