Date: Thu, 07 Jun 2007 20:59:26 -0500 From: Eric Anderson <anderson@freebsd.org> To: "Arno J. Klaassen" <arno@heho.snv.jussieu.fr> Cc: freebsd-scsi@freebsd.org Subject: Re: howto connect local raid to FC? Message-ID: <4668B7FE.6000608@freebsd.org> In-Reply-To: <wpbqfrtv4r.fsf@heho.snv.jussieu.fr> References: <wpbqfrtv4r.fsf@heho.snv.jussieu.fr>
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On 06/07/07 14:36, Arno J. Klaassen wrote: > Hello, > > sorry if this is an obvious question : > > I have several servers with hard- or software diskarrays (3ware, > gmirror, even some good old ccd). > For years I use nfs/netatalk/samba to share them with other boxes > (nowadays refered to as NAS if I understand correctly). > > Now I would like to connect the local storage to a fibre > channel network (SAN). > I'm new to all this 'SAN'-stuff and before I buy an after > all quite expensive FC-HBA, I would like to know if > it is possible to 'export' e.g. /dev/da1, /dev/ccd0 etc. > to the Fiber Channel interface? > > I found the next citation in a recent email on MPSAFE CAM, which made > me think this might not yet be possible, but is thought of for the > near future (a la atapicam ?) : > > Future work > ----------- > > The CAM API will likely undergo some more small changes to support > future work with newbus integration and SAS/SATA/FC transport > modularization. These changes will hopefully be done before FreeBSD 7.0 > is released. > > > Any idea, help, pointer, [cold shower,] is appreciated. The cold shower is up to you, but you should look at target mode scsi (scsi=target, targ, and isp man pages) for hints on how to do it. It's doable. Eric
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