[Dovecot] Maildir unreliability

[Alex S Moore]

On Mon, 2004-10-25 at 03:02 +0300, Timo Sirainen wrote:
> Looks like maildir can't be used very realiably without quite a lot of 
> locking. Writing and scanning the directory would have to be locked, 
> but reading wouldn't (as long as the file hasn't been renamed which 
> would require scanning to find it). So much for "no locks needed"..
> 

Here is the output from a Solaris 9 sparc box, which provides home
directories and the imaps service for clients.  Maildir is in the home
directory.  The maildir is mounted via nfs by mail clients.  See
attached.

I do not know what this means.  Is there a problem?

Thanks, Alex

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[root at mcsrv5 /tmp]# /tmp/readdir
17394: File re-appeared:  -> 346:2,S (2)
17394: File re-appeared: 384 -> 384:2,S (2)
17400: File re-appeared: 385 -> 385:2,S (2)
17401: File re-appeared: 678 -> 678:2,S (2)
17397: File re-appeared: 678 -> 678:2,S (2)
17390: File re-appeared: 678 -> 678:2,S (2)
17396: File re-appeared: 678 -> 678:2,S (2)
17402: File re-appeared: 678 -> 678:2,S (2)
17399: File re-appeared: 678 -> 678:2,S (2)
17393: File re-appeared: 678 -> 678:2,S (2)
17393: File re-appeared: 670 -> 670:2,S (2)
17401: File re-appeared: 373:2,S -> 373:2, (2)
17401: File re-appeared: 677 -> 677:2,S (2)
17402: File re-appeared: 677 -> 677:2,S (2)
17393: File re-appeared: 677 -> 677:2,S (2)
17396: File re-appeared: 677 -> 677:2,S (2)
17401: File re-appeared: 862:2,S -> 862:2, (2)
17396: File re-appeared: 862:2,S -> 862:2, (2)
17395: File re-appeared: 862:2,S -> 862:2, (2)
17402: File re-appeared: 862:2,S -> 862:2, (2)
17393: File re-appeared: 862:2,S -> 862:2, (2)
17393: File re-appeared: 868:2,S -> 868:2, (2)
17390: File re-appeared: 862:2,S -> 862:2, (2)
17402: File re-appeared: 868:2,S -> 868:2, (2)
17390: File re-appeared: 868:2,S -> 868:2, (2)
17402: File re-appeared: 828 -> 828:2,S (2)
17397: File re-appeared: 828 -> 828:2,S (2)
17400: File re-appeared: 828 -> 828:2,S (2)
17390: File re-appeared: 828 -> 828:2,S (2)
17401: File re-appeared: 828 -> 828:2,S (2)
[root at mcsrv5 /tmp]#