Date: Fri, 13 May 2005 09:10:51 +1000 From: "Matthew SWINBOURNE" <m.swinbourne@its.uq.edu.au> To: "FreeBSD Clustering List" <freeBSD-Cluster@freebsd.org> Subject: RE: Introduction & RE: Clustering with Freebsd Message-ID: <5B5BBC864783B7439264DD5FF664F2A969F3F2@jemima.soe.uq.edu.au>
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Cool, Sorry, I wasn't aware of that. With iSCSI these cards definitely help, but it there's no stack used for the AOE stuff then cool. Am I right in thinking then, that most of the increase in load is interupt load for I/O on the adapter? Matt -----Original Message----- From: Gabriel Ambuehl [mailto:gabriel_ambuehl@buz.ch]=20 Sent: Thursday, 12 May 2005 5:40 PM To: Matthew SWINBOURNE Cc: FreeBSD Clustering List Subject: Re: Introduction & RE: Clustering with Freebsd Matthew SWINBOURNE wrote: >Hi All, > >Something to think about along these lines are TCP Off-Loader (TOE)=20 >cards. If you are seriously looking at ATA over ethernet or something=20 >similar on any production scale, then these cards are a life saver. >Reduce the CPU overhead of running storage via TCP/IP to almost=20 >negligable. > > > > =20 > As I understand, this is the whole point of ATA over Ethernet (vs iSCSI): it doesn't actually use TCP/IP, it runs on raw ethernet (and thus isn't routeable but that's probably more of a feature than a bug).
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