Date: Sat, 12 May 2012 12:05:09 +0200 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: freebsd-fs@freebsd.org Subject: Re: Best practice for shared volume with iscsi Dell MD3200i ? Message-ID: <op.wd6wyv1f8527sy@212-182-167-131.ip.telfort.nl> In-Reply-To: <20120511155153.GA31698@in-addr.com> References: <4FACCAEB.8040401@ibl.fr> <20120511155153.GA31698@in-addr.com>
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On Fri, 11 May 2012 17:51:53 +0200, Gary Palmer <gpalmer@freebsd.org> wrote: > On Fri, May 11, 2012 at 10:16:43AM +0200, Karl Oulmi wrote: >> Hi all, >> >> I am trying to run two freebsd9 boxes with a 3.7 TO shared iscsi volume >> on a MD3200i. >> >> The goal is to run a "master" and a "slave" dovecot IMAP server with a >> shared /home. >> >> I created the shared partition like this : >> gpart create -s gpt /dev/da0 >> gpart add -t freebsd-ufs /dev/da0 >> newfs /dev/da0p1 >> >> Everything is working great on the "master" server, but when I'm trying >> to mount the volume from the "slave" one, I have the following error : >> mount: /dev/da0p1 : Operation not permitted >> >> The only way I have to successfully mount the share on the "slave" >> server is to run a fsck -t ufs /dev/da0p1 and then do the mount. >> >> Could anyone tell me what's wrong ? > > UFS is not a cluster-aware filesystem. You cannot mount it in > multiple places at the same time. The best you can hope for in > that situation, short of developing a cluster-aware filesystem, is > to only mount the volume on the slave if the master fails. > > Regards, > > Gary Or use NFS.
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