On 2007.08.20. 15:37, Kern Sibbald wrote:
> On Monday 20 August 2007 11:42, Alan Brown wrote:
>> My observation:
>>> Item  1:  Accurate restoration of renamed/deleted files
>>> Item  3:  Merge multiple backups (Synthetic Backup or Consolidation)
...
> Item 1 is a very complex problem that has serious performance implications 
> depending on how it is implemented particularly for the FD, and is a major 
> addition to the current code. Probably the best solution that scales is to 
> push the work out to the client (FD).  However, doing so risks to overrun the 
> capacities of the FD.  The project involves sending a full and accurate state 
> of the Client as known in the Bacula catalog to the client, which would then 
> reference this information (potentially very large) when backing up files.  

i suppose checking only modified directories (and working on from there) 
is considered not safe enough, right ?

in most cases this would probably result in less work, but some 
implementations that do not update directory mtime might break backups 
badly...

> This project has certain aspects in common with Item 7 "Implement Base jobs", 
> which also must have a full and accurate state of the catalog at the disposal 
> of the Client.
> 
> Regards,
> 
> Kern
-- 
  Rich

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