[OpenAFS-win32-devel] problem with file open for read-only

[Jeffrey Altman]

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Tomcsányi Roland wrote:
> Hello,
> 
>> AFS does not support byte range locks but Windows requires them.
>> Therefore, when a file is opened for writing, the cache manager on
>> that machine obtains a full file write lock.  All other cache managers
>> are then prevented from reading the file until the file has been closed.
>>
>> When Office opens a file for read-only, it obtains a lock when the
>> file is read and then it releases the lock.  This allows another cache
>> manager to obtain the lock.
> 
> This means my problem not an program error, so it not will be change in
> future versions?
> 
> Other words, if we need to open doc/xls for read-only while other user
> opened it for read-write then we have to find some other solutions??
> 
> Best regards:    Roland

This problem will exist until such time as the AFS file servers are
modified to support byte range locks.  I can not say when this change
will occur but it will not be within the next year.  It is highly
dependent upon the availability of developer resources.

Jeffrey Altman

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