Date: Wed, 12 Nov 2003 11:57:41 -0600 From: Jonathan Fosburgh <syjef@mdanderson.org> To: Pete French <pfrench@firstcallgroup.co.uk>, stable@FreeBSD.ORG Subject: Re: Fibrechannel support in 4.9 ? Message-ID: <200311121157.41653.syjef@mdanderson.org> In-Reply-To: <E1AJxEl-000OOs-00@mailhost.firstcallgroup.co.uk> References: <E1AJxEl-000OOs-00@mailhost.firstcallgroup.co.uk>
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On Wednesday 12 November 2003 09:48 am, Pete French wrote: > A big step into the unknonw here for me as I have never used fibre channel > before. reading through the dosc iit would seem that it is very similar > to SCSI in concept. We have apair of machines currently booting from > a RAID array using HVD SCSI. Thepla is to replace this with a fibre channel > RAID array, and thus to replace the HVD cards with some fibre channel > interface cards, but otherwise keep the setup identical. > Welcome to the world of SAN. :) Someone else has already provided FreeBSD-specific info, here's a few other pieces of the puzzle for you. In attaching a FC RAID array you will be creating a small point-to-point fibre channel network (a small SAN). Internally the array is probably arbitrated-loop, but that should not be a concern to you. Fibre Channel is a networking architecture that allows transport of other protocols, usually SCSI (FCP). Curtis Preston's _Introduction to SAN and NAS_ (published by O'Reilly) and IBM's Redbook (redbooks.ibm.com) _Introduction to SAN_ provide good overviews and more in-depth material should you be interested. -- Jonathan Fosburgh AIX and Storage Administrator UT MD Anderson Cancer Center Houston, TX
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