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Date:      Sun, 1 Mar 1998 08:46:44 -0300 (EST)
From:      Joao Carlos Mendes Luis <jonny@coppe.ufrj.br>
To:        evanc@synapse.net (Evan Champion)
Cc:        jonny@coppe.ufrj.br, viren@rstcorp.com, freebsd-stable@FreeBSD.ORG
Subject:   Re: 2.2.6 for NFS server
Message-ID:  <199803011146.IAA12966@gaia.coppe.ufrj.br>
In-Reply-To: <002401bd431b$9e9d7860$c9252fce@cello.synapse.net> from Evan Champion at "Feb 26, 98 08:04:13 pm"

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#define quoting(Evan Champion)
// >A big problem you'll find with FreeBSD as a NFS server is that its
// >rpc.lockd is a fake.  It'll always answer "Ok" to requesting clients,
// >but it'll never make a real file lock.  This is specially bad if you
// >plan to mount your mail directory over NFS.
// 
// Run qmail with maildirs; then even if you can't lock, delivering mail over
// NFS is safe.

Delivery is local in all my installations.  My concern is with reading.

I've already lost some mailboxes because sendmail delivered mail while
elm was rewriting the mailbox over NFS.

Probably I should use some other approach, but is not easy to tell the
users that they must log onto one specific computer just to read mail,
or that they must use pop to read it when they're in the same network.

I really hope that NFS locking comes to FreeBSD in the very near future.
Now that Terry's changes are being slowly commited, there's a bigger
chance.  :)

					Jonny

--
Joao Carlos Mendes Luis			jonny@gta.ufrj.br
+55 21 290-4698				jonny@coppe.ufrj.br
Universidade Federal do Rio de Janeiro	UFRJ/COPPE/CISI
PGP fingerprint: 29 C0 50 B9 B6 3E 58 F2  83 5F E3 26 BF 0F EA 67

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