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Windows Forum / Windows 98 / Disks / File System / December 2003Maximum Directory Size when using FAT32?
I have found that I can not add any more files to large directories on a FAT32 drive, e.g. 3.7 GB and 22,000 files. What is the limit? I guess that the limit lies in maximum number of clusters rather than the size or number of files? BTW, is there an easy way of determining the number of clusters used by a directory? TIA The limit is 65k directory entries per folder, but long filenames take up multiple entries, so the effective limit for files can be much less than this. Many people find that about 20,000 files is typical. If you look at the bytes used for a folder, and divide by bytes per cluster, you can calculate the number of clusters used. -- Jeff Richards MS MVP W95/W98 > I have found that I can not add any more files to large > directories on a FAT32 drive, e.g. 3.7 GB and 22,000 files. [quoted text clipped - 6 lines] > > TIA Thank you Jeff, This 65K directory entry limit was hard to find anywhere... Is there anyway to find how many bytes of directory entries have been taken up in a directory (so that I know how much is left)? Rolf p.s. The reason that I prefer to use FAT32 rather than NTFS (in Win2K) is that disk access is *much* faster with FAT32 when I have 20,000 files in a directory. For example to open the directory and list the files in Windows Explorer takes ~3 sec using FAT32 but 59sec using NTFS.... >-----Original Message----- >The limit is 65k directory entries per folder, but long filenames take up [quoted text clipped - 19 lines] > >. It's not how many bytes of directory entries - it's the number of entries. There's nothing in Windows that I know of, but there should be utilities available that show directory entries per file, and perhaps add them up for you. This one seems to do something like that: Directory Snoop 3.00 http://www.filelibrary.com:8080/cgi-bin/freedownload/Windows/q/126/ds95300.z ip -- Jeff Richards MS MVP W95/W98 > Thank you Jeff, > > This 65K directory entry limit was hard to find > anywhere... Is there anyway to find how many bytes of > directory entries have been taken up in a directory (so > that I know how much is left)? |
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