Mike Ruskai wrote:
> When a tape volume is recycled, the contents are lost.  Is the same true 
> for a disc volume?  Is the whole file truncated, or does it just start 
> from the beginning, and only destroy the contents it actually overwrites?
>   

I don't believe the volume file is changed at all when the volume status 
is changed to recycle. When the volume status goes from recycled to 
append and is actually written to, the volume file then gets truncated 
and will contain only the newly written data. However, with most file 
systems, the sectors from the original volume file will still contain 
data until they are reused by the file system and written to, though 
they are not linked to any file in the directory tree. To my knowledge 
Bacula does not "safe erase" recycled volume files before overwriting them.

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