On 2008-10-13 19:06, Rob MacGregor wrote:
> On Mon, Oct 13, 2008 at 16:10, Sam Smith <[EMAIL PROTECTED]> wrote:
>   
>> Hello there!
>>
>> I am running ClamAV engine ver 0.93.1
>>     
>
> That's an old version, you should update.
>
>   
>> When trying to scan Outlook PST files I receive this error:
>>
>> "archive.pst: Value too large for defined data type"
>>
>> The file size is close to 6 GB. Is this more than the maximum size
>> allowed by the program?
>>     
> <---SNIP--->
>   
>> Any help on increasing the limit would be much appreciated.
>>     
>
> Have a look in the clamd.conf file, under the Limits section.  At a
> rough guess the MaxScanSize and MaxFileSize will be relevant to you.
>
>   

That error message usually means two things:
- the size of the file doesn't fit in 32-bits, and the application
cannot handle 64-bits lengths
- you are using a filesystem that has 64-bit inodes, and trying to
access the file using a  32-bit application (such as xfs with inode64
mount option)

There are some compile flags that can be used to support large files on
32-bit systems (LARGEFILE_SOURCE and friends), however consider that:
- you'll also have to change the clamd limits
- I doubt those limits can exceed 2 Gb on a 32-bit system
- scanning such a large file would take a huge amount of time
- clamav doesn't handle the PST format, so it won't be scanning the
actual emails, and perform only a raw scan

You can try splitting that 6Gb file into individual emails, and scanning
those with clamav.

Best regards,
--Edwin
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