Hello,

Well, when backing up and restoring, Bacula really does not care about
the size of the original file.  It simply read()s blocks for backup and
write()s them for restore. Bacula does keep 64 bit addresses.  On the SD
output end, if you do not limit your Volume size, there will surely be
some problems at 2^63.  Of course, who would ever want to write such a
large volume?

Note: if I am not mistaken, all the lseek() functions 32/64 return a
signed value, which means that practically one is limited to 2^63 bits
for addresses.

Best regards,
Kern

On 21.05.2015 05:47, Devin Reade wrote:
> I was under the impression that the maximum size of a file
> that can be backed up would be either 2^63 or 2^64 bytes, but
> I can't seem to find anything in the manuals or via google-fu
> that confirms this.
>
> Does anyone have any positive information regarding the
> maximum file size limit?
>
> Devin
>
>
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