[OpenAFS] Crash testing OpenAFS
Jeffrey Altman
jaltman@secure-endpoints.com
Sun, 14 Aug 2005 15:18:39 -0400
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Ted:
If you have a reproducible bug, then narrow it down to a small
case that I can reconstruct, or point me at a directory in a cell
that I can access, and file a bug report.
You have said several things in the last week regarding problems
with the code but have given absolutely no details that would
provide a means for me to be able to fix it. I cannot say it
enough, if you can't provide details that allow the problem to
be reproduced, it cannot be fixed.
Jeffrey Altman
ted creedon wrote:
> Well the test case does not have that problem. At least to where it carps.
>
> Taking a worst case scenario can one drag and drop a entire windows C: drive
> to AFS and back again and expect a faithful reproduction? Since the source
> files are not in conflict in the first place one would expect a round trip
> to work.
>
> tedc
> -----Original Message-----
> From: openafs-info-admin@openafs.org [mailto:openafs-info-admin@openafs.org]
> On Behalf Of Jeffrey Altman
> Sent: Sunday, August 14, 2005 5:28 AM
> To: ted creedon
> Cc: openafs-info@openafs.org
> Subject: Re: [OpenAFS] Crash testing OpenAFS
>
> ted creedon wrote:
>
>>>>This is possibly the case. A month or 2 ago I dragged the same
>>>>directory
>>
>>from the 1.2.11 to a windows firewire drive using the Windows client
>>and observed duplicate filename messages from the windows boxes.
>
>
> Local Windows file systems are case-preserving but not case-sensitive.
> If you copy a directory tree from AFS (which is case-sensitive) to a
> local file system and the tree contains files that are different only in the
> case of the characters:
>
> 1/31/2005 14:38 <DIR> foo
> 9/28/2004 8:22 <DIR> FOO
> 8/14/2005 8:21 0 FoO
> 8/14/2005 8:21 0 Foo
>
> then you are going to run into collisions. The Windows OpenAFS client
> will do its best to distinguish between these four entries by using a
> case-sensitive first pattern matching followed by a case-insensitive
> pattern matching if that fails. With the above four entries the client
> will not allow any access to "fOO" or "foO" because the case-insensitive
> match is ambiguous. This is usually not an issue when using Windows GUI
> dialogs because the file name matchs are always case-sensitive.
>
>
>>Jaltman mentioned that long filenames are not necessarily unique under
>>AFS, however they are unique in my 1.2.11 AFS filesystem, I don't know
>>about the 1.3.87 filesystem. I'll investigate.
>
>
> That is not what I said. See above.
>
> Jeffrey Altman
>
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> https://lists.openafs.org/mailman/listinfo/openafs-info
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