Date: Tue, 10 Dec 2002 10:02:45 +0100 From: Andy Sporner <sporner@nentec.de> To: freebsd-cluster <freebsd-cluster@FreeBSD.ORG> Subject: Re: sharing fules within a cluster Message-ID: <3DF5ADB5.9060908@nentec.de> References: <200212100854.gBA8s6508847@splat.grant.org>
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Michael Grant wrote: >Rouzer, Charles A (Chuck) wrote: > > >> Shared SCSI would probably be the way to go in this situation. iSCSI >>(not sure of driver status) and vinum should enable software RAID mirroring >>of file systems over a network providing you fail-over capabilities without >>shared SCSI. >> >> > >I emailed the author of vinum, Greg Lehey, a few weeks about about >this. He says that there are problems with this due to caching: > > > >Not really. The problem is that each system caches disk data locally, >and they don't know about each other. There are solutions, but not in >the space we're talking about here. > > However in a true failover environment this problem would not exist. Check out what I have implemented. People are using it--it works! http://www.sporner.com/bsdclusters To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-cluster" in the body of the message
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