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case insensitivity in multi-protocol environment (cifs/nfs)

Hi everyone,

I'm looking for a bit of information.  I'd like to understand how netapp renames/presets files of conflicting case to CIFS.  Below I have 3 files and when accessed via cifs those filenames are changed to DOS 8.3 format.

nfs:

-rw-r--r-- 1 root root 6 Aug 16 14:35 longerfilename.txt
-rw-r--r-- 1 root root 9 Aug 16 14:35 longerfilenamE.txt
-rw-r--r-- 1 root root 0 Aug 16 14:40 longerFILENAME.txt

cifs:
longerfilename.txt
LONGER~2.TXT
LONGER~3.TXT

What option actually accomplishes this?  Is there a way to prevent it, or change the behavior?  More importantly... is there any way to get CIFS to behave in such a way that a cifs client COULD access longerfilename.txt and longerFILENAME.txt natively?

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