Date: Mon, 04 Apr 2011 12:05:17 -0700 From: Chuck Swiger <cswiger@mac.com> To: "Marc G. Fournier" <scrappy@hub.org> Cc: freebsd-net@freebsd.org Subject: Re: 7-STABLE NFS: fatal: "select lock: Permission denied" Message-ID: <E9441056-3EFE-4668-A815-271B857FD230@mac.com> In-Reply-To: <alpine.BSF.2.00.1104041554100.55888@hub.org> References: <alpine.BSF.2.00.1104030135160.55888@hub.org> <alpine.BSF.2.00.1104041508000.55888@hub.org> <0F56F33B-C492-4723-B7EC-713AD64E856C@mac.com> <alpine.BSF.2.00.1104041554100.55888@hub.org>
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On Apr 4, 2011, at 11:58 AM, Marc G. Fournier wrote: >> Be careful; multiple access from different processes even on a single host can still run into locking issues against NFS filesystems, or data corruption if locking isn't available. You're most at risk with local delivery to an mbox-style INBOX; delivery to maildir-style INBOX is much safer even on NFS without locking. > > In my case, I have postfix+cyrus-imapd ... OK-- Cyrus IMAP uses a variant of maildir, so you're relatively safe even if locking is not available. Regards, -- -Chuck
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