[tahoe-dev] tahoe backup re-uploads old files

[Shawn Willden]

I would try to re-upload every file, but that's less painful than it sounds
because Tahoe would quickly notice that each file is already in the grid.
 It would still have to read, hash and encode each file, but it wouldn't
upload the shares.

On Thu, Mar 8, 2012 at 9:28 AM, Marco Tedaldi <marco.tedaldi at gmail.com>wrote:

> On 01.03.2012 00:59, Brian Warner wrote:
> > On 2/24/12 11:48 AM, Marco Tedaldi wrote:
> >
> >>> To my surprise it skipped some old pictures (which I consider normal)
> >>> but started uploading one of the old pictures I had for sure not
> >>> touched in the mean time.
> >
> > It depends upon the timing involved, but "tahoe backup" will check up on
> > unchanged files that haven't been checked in a while. If the file was
> > last uploaded or checked within a month, it will assume that the shares
> > are still ok (so 0% chance of doing a filecheck). Starting at one month
> > old, the probability of doing a filecheck grows, until it reaches 100%
> > at two months (i.e. if the file hasn't been checked for over two months,
> > it will *always* do a filecheck). If the filecheck reports any problems,
> > the file is re-uploaded.
> >
> So If I deleted the backup.db, it would automatically check all the
> files again?
> Or would this just cause a re-upload of every singe file?
>
> best regards
>
> Marco
>
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-- 
Shawn
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