On Tue, 2006-11-07 at 16:37 -0800, Nancy Lin wrote: > Are there any free imap server solutions out there where it's NFS safe? I > did a quick search and it seems that cyrus isn't and dovecot only kind of > is. Maybe NFS just generally doesn't work?
I agree that making NFS work is difficult, and it requires that both the NFS server and the NFS client behave exactly like the software wants. Linux 2.6.17 kernel is probably the first Linux kernel where its NFS client implementation works well enough for Dovecot. NFS caching problems are also problematic. Either you have to make the users to be served by the same computer (only when it crashes, move them elsewhere), or you'll have to disable caching completely. This cache disabling hasn't worked very well in the past, but again with new enough Linux it does work. So I don't agree with Marc that NFS can never work. It may not work without a lot of effort, but it is workable (and I could name a couple of huge installations). As for whether NFS is a good idea or not, I don't really care. Dovecot doesn't try to force any kind of ideology to its users, it just does what they want.
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