This has been discussed on the list before, check the archives. I assume with the hardware you mentioned, you're running Linux. For Linux, the consensus here seems to be XFS is the best, though I don't know what other filesystems these people have compared XFS to, or how detailed their testing was. I'm using reiserfs3 on a server that's averaging ~400 concurrent IMAP connections with good results, so that's another good option.

ext3 is not recommended. Newer versions of ext3 support directory indexing, but from what I've read, even if you activate that feature it still doesn't work very well with directories that contain thousands of files, when compared with other available filesystems.

-Jules

Hamish wrote:
Hello everyone
I dont want to start a religious battle, but could I have some opinions on filesystems for a 100ish user imap server? I have 2x 250G western digital disks to use.
Thanks
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Jules Agee
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Pacific Coast Feather Co.
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