[tahoe-dev] Deleting a file on Tahoe

[Janus Dam Nielsen]

On 23/02/2010, at 22.23, Brian Warner wrote:

> Janus Dam Nielsen wrote:
>> 
>> On 19/02/2010, at 17.40, Peter Secor wrote:
>>> If you don't care about the data on your grid anymore and just want to
>>> get rid of it all, you can stop the nodes and delete the files in the
>>> <basedir_to_tahoe>/storage directory for each node. That will delete all
>>> of the shares, and when you start the grid back up there will be no data.
>> 
>> Thanks. I thought it might do the trick, but was not sure if Tahoe kept
>> some meta data somewhere else.
> 
> Incidentally, you don't have to stop the storage server nodes. Tahoe
> will tolerate shares being deleted out from under it just fine.
> 
> You can use "tahoe debug dump-cap $FILECAP" (or the "More Info" button
> on the web interface) to learn the "storage index" for a given file.
> Then you can locate the share files by running "tahoe debug find-shares
> $STORAGEINDEX $BASEDIRS.." on each storage server: this will emit a list
> of filenames to stdout. Just delete the files it lists (and their
> $STORAGEINDEX parent directory, if you want to save a tiny extra bit of
> space).
Thanks, thats the kind of tools I have been looking for.


____________________________________________________

Janus Dam Nielsen

Research and Innovationspecialist, PhD.
CENTRE FOR IT-SECURITY

THE ALEXANDRA INSTITUTE LTD. 

T +45 40 83 09 10
E janus.nielsen at alexandra.dk
W alexandra.dk

See our blog about security at blog.sikkerhed.alexandra.dk
____________________________________________________

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