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Venkatesh Prashanth wrote: | I have setup LVS cluster with Powervault Storage box for our mail server. | The mail storage from powervault is mounted on Linux as NFS mount | points. But there is a severe performance hit for IMAP. For mail | accounts with 2000+ messages, the IMAP is too slow and the webmail | drops the session with error "IMAP dropped the session".
It is not a file locking issue - courier imap's maildir+ format is not affected by nfs file locking, as it is one file per email.
more likely an nfs timeout of some sort, probably network latency.
See if putting the powervault and the mailserver on the same switch fabric helps
Check your logs and see what else is going on -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) Comment: Key at http://www.hserus.net/pgp.txt
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