Date: Fri, 03 May 2013 14:08:26 +0200 From: Bernt Hansson <bah@bananmonarki.se> To: Daniel Feenberg <feenberg@nber.org> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: Restarting exports disturbs clients Message-ID: <5183A8BA.7040309@bananmonarki.se> In-Reply-To: <alpine.LRH.2.03.1305021137480.32731@nber.org> References: <alpine.LRH.2.03.1305021137480.32731@nber.org>
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2013-05-03 12:49, Daniel Feenberg skrev: > > When we change the exportfs file on our FreeBSD 9.1 fileserver: > > kill -HUP `cat /var/run/mountd.pid` That seems a bit harsh, try /etc/rc.d/nfsd restart or /etc/nfsserver restart. > it kills the jobs on clients that have files open on the fileserver. > This is pretty inconvenient for users (and us). Is there a way around > this? We have noticed that a Linux fileserver can restart nfs without > distrubing clients (other than a short pause). The Linux restart > doesn't restart the locking mechanism - is that the difference? We > could do without locks, even without NFSv4, for that matter, if it > would let us change exports without disturbing users. Perhaps there > there is an NFS shutdown procedure that we should be using? > > Daniel Feenberg > NBER
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