Hi Phil,
With regards to your questions:
1) For files per directory, there's no limit (In NTFS,
Directories are Btrees; there is no limit
to files/directory beyond the amount of disk space needed
in the directory itself (60-100 bytes).
We have perform a test of creating 20 million files in a
single directory successfully.
2) Yes, from a maximum limit standpoint the total length
of the filename and path together should be less than 256
(which means 255 or less) characters. (However, we
recommended to have shorter filenames or paths, if
possible.)
FYI, Win32 programs are limited to a 256-character string
size limit because of the MAX_PATH variable. Software
programs can work around this problem by passing Win32 a
path that is MAX_PATH or less.
Please refer to the following KB articles for more
information:
* Files, Folders, or Path Names with More Than 259
Characters Are Not Displayed
http://support.microsoft.com/?id=210631
* How to Disable the 8.3 Name Creation on NTFS Partitions
http://support.microsoft.com/?id=121007
* PRB: Path Limit Is 260 Bytes, Not Characters
http://support.microsoft.com/?id=172895
* OFF2000: Error Messages When You Try to Open Document
http://support.microsoft.com/?id=325573
Hope the given information helps.
Annie @ Microsoft
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