Bug 38310 - Cannot create all uppercase files/directories on vfat filesystems
Cannot create all uppercase files/directories on vfat filesystems
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Arjan van de Ven
Brock Organ
Depends On:
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Reported: 2001-04-29 10:29 EDT by Carlos Rodrigues
Modified: 2007-04-18 12:32 EDT (History)
0 users

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2001-06-01 17:41:38 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Carlos Rodrigues 2001-04-29 10:29:16 EDT
From Bugzilla Helper:
User-Agent: Mozilla/4.77 [en] (X11; U; Linux 2.4.2-2 i686)

When I try to make a directory (or a file) with an all uppercase name, like
"RPMS", instead it makes one with an all lowercase name, like "rpms". Mixed
uppercase/lowercase names work ok.

Reproducible: Always
Steps to Reproduce:
1. mkdir RPMS
2. ls


Actual Results:  rpms

Expected Results:  RPMS
Comment 1 Carlos Rodrigues 2001-05-31 05:27:11 EDT
This problem only occurs with 8.3 filenames. I can create a file named 
"FOOBARABC" but not "FOOBARAB" (it gets "foobarab").
Comment 2 Arjan van de Ven 2001-05-31 05:43:35 EDT
VFAT by default emulates Win9X behavior.
If you  want case-preserving, use a parameter like this:

modprobe vfat posix

this should preserve case
Comment 3 Carlos Rodrigues 2001-06-01 17:41:34 EDT
Using the posix option doesn't make the problem go away. The behaviour is 
exactly the same (except not being able to refer to "FoO" as "foo" anymore, of 

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