Date: Fri, 18 Oct 2002 16:34:39 -0700 From: Mike Thompson <mike@atomz.com> To: Nate Lawson <nate@root.org>, Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de> Cc: freebsd-scsi@freebsd.org Subject: Re: Multiple FreeBSD SCSI Hosts Message-ID: <4.3.2.7.2.20021018162828.00b0b4d0@pop.atomz.com> In-Reply-To: <Pine.BSF.4.21.0210181535160.47484-100000@root.org> References: <200210182012.g9IKCHoI059995@uriah.heep.sax.de>
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At 03:41 PM 10/18/02 -0700, Nate Lawson wrote: >What are you trying to achieve? If you are trying to have apps on two >boxes sharing data via this method (say a webserver cluster), you're going >to end up with consistency problems from the FILE SYSTEM. SCSI is not the >problem -- multiple initiators have been around forever. I'm trying to essentially keep a live hot spare that can be manually configured to take over for the primary server should it fail for some reason. The secondary really doesn't need access to the shared SCSI volume until such time. Considering the problems mentioned regarding the file system it would probably be best for the secondary to not mount the shared SCSI volume until the primary has unmounted it (or been turned off). Mike To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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