Hi,

About the file data store, see http://wiki.apache.org/jackrabbit/DataStore

> one-one mapping between the original file and the coded file by JackRabbit?

No.

> 2. How can I recover the original file name (e.g. helloworld.txt) from the 
> coded file name?

You can't.

> 3. For administration purpose, our power Unix admin may need to backup and 
> recover file from the file system directly (not through Jackrabbit).  Is it 
> possible and how can I do it?

It's impossible possible without the persistence data.

P.S. Please don't post to both user and dev list.

Regards,
Thomas


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Date: Wed, 26 Jan 2011 05:56:35 +0000
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Subject: File admin on JackRabbit file system

 it a one-one mapping between the original file and the coded file by 
JackRabbit?
2. How can I recover the original file name (e.g. helloworld.txt) from the 
coded file name?
3. For administration purpose, our power Unix admin may need to backup and 
recover file from the file system directly (not through Jackrabbit).  Is it 
possible and how can I do it?

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