Re: AoE -- was Re: todolist
Kris Buytaert <mlkb-1zPVpAQ/[email protected]>
| Newsgroups | gmane.linux.cluster.openmosix.devel |
|---|---|
| Message-ID | <[email protected]> |
On Tue, 2006-08-15 at 08:21 -0600, Matt Dew wrote: > Hi Ian, > AoE is interesting. The ability to export any block device is > useful. It's nice that no special equipment is needed. install the > gpl'd software and you're up and running. With GFS, it's not > particularly fast but I believe that's because GFS itself isn't that > fast. > I'm Lagging seriously on my openMosix reading testing and building .. :) How does AoE compare to iSCSI , from what experience iSCSI is already stable enough and ready to use, whereas people only just have started to use AoE. greetz Kris > An AoE server does support multiple clients. You are correct regarding > the contention issue. It is up to the filesystem layer to worry about > concurrency. If multiple clients are trying to access it, you can have > problems unless the filesystem is built for that, hence why we're > looking at GFS and the like. They run on top of AoE. > > As for the security, it isn't routable but the data is completely raw so > it's up for debate. > > Matt > > On Tue, 2006-08-15 at 01:18 +0000, "Ian Latter" wrote: > > Hello Matt, > > > > How have you found AoE? I was looking at this 12months ago, > > and have considered it on/off for the NAS device that I'm developing. > > I've not run it yet - but one think I couldn't resolve through reading > > was whether or not it supported more than one AoE client per > > AoE device/server? > > > > I.e. if it really is ATA over Ethernet, then wouldn't there be > contention > > over who the "host" is for the "driver" if there were multiple "hosts" > > trying to access the same data .. ? > > > > I've also been underwhelmed by the AoE creators' claims that AoE > > is secure because it runs at Layer-2 ... > > > > > > ----- Original Message ----- > > >From: "Matt Dew" <[email protected]> > > >To: <[email protected]> > > >Subject: Spam: 25% | Re: [Openmosix-devel] todolist > > >Date: Wed, 26 Jul 2006 10:17:59 -0600 > > > > > > Moshe, > > > Correct, it is a shared disk. However, no special equipment is > required. > > > We set one up here pretty quickly, using AoE (ATA over Ethernet) > with > > > just an old computer sharing out a disk as a AoE device and > configuring > > > GFS to use that device. > > > > > > AoE: http://www.linuxjournal.com/article/8149 > > > > > > Using GFS on top of a tmpfs or ramdisk could give us shared memory > > > support. ??? > > > > > > I don't know about iSCSI but given that GFS supports it and AoE, > > > allowing for more than one underlying tech, I don't think it should > be > > > written off completely just yet. > > > > > > I'm know nothing of CFS, per Aneesh's email. It's always good to > have > > > options, and definitely worth looking into. > > > > > > My concern is the openmosix project maintaining a file system. Let > > > other, more interested and qualified people, do that. We can focus > on > > > the goal of the project. > > > > > > My humble opinion, > > > Matt > > > > > > > > > On Sat, 2006-07-22 at 21:30 +0000, Moshe Bar wrote: > > > > GFS needs a shared disk device, which I am sure only few people > have. > > > > > > > What we need in openMosix is an NFS of sort with shared mmap, link > > > > > consisteny and cache consistency. > > > > > > > > Moshe > > > > > > > > > > > > On Jul 21, 2006, at 6:07 AM, Mike Wharton wrote: > > > > > > > > > This is not really a problem, well if it was I'm sure I could > work > > > > > around > > > > > it. But I suspect GFS would be perfect for my (and most peoples) > > > > > > needs. > > > > > > > > > > Thanks, > > > > > Mike > > > > > > > > > > > > > > >> I believe GFS was chosen a while back, since it's a real > cluster > > > > >> filesystem. You could use iSCSI (or whatever) underneath. > > > > >> > > > > >> I think GFS is limited to 256 computers. Is this a problem? > > > > >> > > > > >> Carl, you were talking about 700 computers. > > > > >> > > > > >> Matt > > > > >> > > > > >> On Thu, 2006-07-20 at 17:03 +0000, Paul Bennett wrote: > > > > >>> I second Mike's request, although being a secure filesystem > isn't > > > a > > > > >>> hard and fast requirement for me. I'd really like to do > > > > >>> something via > > > > >>> iSCSI if that part matters. > > > > >>> > > > > >>> Thanks, > > > > >>> Paul > > > > >>> > > > > >>> ----- Original Message ---- > > > > >>> From: Mike Wharton <[email protected]> > > > > >>> To: openMosix-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org > > > > >>> Sent: Thursday, July 20, 2006 1:22:54 PM > > > > >>> Subject: [Openmosix-devel] todolist > > > > >>> > > > > >>> Just a question, is there a wide need for an integrated > > > filesystem? > > > > >>> like Omfs but secure. > > > > >>> > > > > >>> This is a feature that could really benefit the work I do, as > > > > > >>> ideally > > > > >>> for > > > > >>> me processes after migrating from front 'master' node would > never > > > > >>> migrate > > > > >>> back during their lifespan. > > > > >>> > > > > >>> I'm just interested to know if this is a problem for many > others > > > as > > > > >>> well, > > > > >>> and if not how people combat the file access of migrated > processes > > > > >>> under > > > > >>> openmosix. > > > > >>> > > > > >>> Thanks, > > > > >>> Mike > > > > >>> > > > > >>> > > > > >>> > > > > >>> > > > > >>> > > > > >>> > > > > >> > > > > --------------------------------------------------------------------- > > > > >> ---- > > > > >>> Take Surveys. Earn Cash. Influence the Future of IT > > > > >>> Join SourceForge.net's Techsay panel and you'll get the chance > to > > > > >>> share your > > > > >>> opinions on IT & business topics through brief surveys -- and > earn > > > > >>> cash > > > > >>> > > > > >> http://www.techsay.com/default.php? > > > > >> page=join.php&p=sourceforge&CID=DEVDEV > > > > >>> _______________________________________________ > > > > >>> openMosix-devel mailing list > > > > >>> openMosix-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org > > > > >>> https://lists.sourceforge.net/lists/listinfo/openmosix-devel > > > > >>> > > > > >>> > > > > >>> > > > > >> > > > > >> > > > > >> > > > > --------------------------------------------------------------------- > > > > >> ---- > > > > >> Take Surveys. Earn Cash. Influence the Future of IT > > > > >> Join SourceForge.net's Techsay panel and you'll get the chance > to > > > > >> share > > > > >> your > > > > >> opinions on IT & business topics through brief surveys -- and > earn > > > > > > > >> cash > > > > >> http://www.techsay.com/default.php? > > > > >> page=join.php&p=sourceforge&CID=DEVDEV > > > > >> _______________________________________________ > > > > >> openMosix-devel mailing list > > > > >> openMosix-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org > > > > >> https://lists.sourceforge.net/lists/listinfo/openmosix-devel > > > > >> > > > > > > > > > > > > > > > -- > > > > > Software Dev. Director > > > > > Waracle Ltd. > > > > > +447863 325714 > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ---------------------------------------------------------------------- > > > > > --- > > > > > Take Surveys. Earn Cash. Influence the Future of IT > > > > > Join SourceForge.net's Techsay panel and you'll get the chance > to > > > > > share your > > > > > opinions on IT & business topics through brief surveys -- and > earn > > > > > cash > > > > > http://www.techsay.com/default.php? > > > > > page=join.php&p=sourceforge&CID=DEVDEV > > > > > _______________________________________________ > > > > > openMosix-devel mailing list > > > > > openMosix-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org > > > > > https://lists.sourceforge.net/lists/listinfo/openmosix-devel > > > > > > > > > > > > > > > > ------------------------------------------------------------------------- > > > > Take Surveys. Earn Cash. Influence the Future of IT > > > > Join SourceForge.net's Techsay panel and you'll get the chance to > > > share your > > > > opinions on IT & business topics through brief surveys -- and earn > > > cash > > > > > > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > > > > _______________________________________________ > > > > openMosix-devel mailing list > > > > openMosix-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org > > > > https://lists.sourceforge.net/lists/listinfo/openmosix-devel > > > > > > > > > > ------------------------------------------------------------------------- > > > Take Surveys. Earn Cash. Influence the Future of IT > > > Join SourceForge.net's Techsay panel and you'll get the chance to > share your > > > opinions on IT & business topics through brief surveys -- and earn > cash > > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > > > _______________________________________________ > > > openMosix-devel mailing list > > > openMosix-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org > > > https://lists.sourceforge.net/lists/listinfo/openmosix-devel > > > > > > > > > -- > > Ian Latter > > Late night coder .. > > http://midnightcode.org/ > > > > > > > ------------------------------------------------------------------------- > > Using Tomcat but need to do more? Need to support web services, > security? > > Get stuff done quickly with pre-integrated technology to make your job > easier > > Download IBM WebSphere Application Server v.1.0.1 based on Apache > Geronimo > > > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > > _______________________________________________ > > openMosix-devel mailing list > > openMosix-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org > > https://lists.sourceforge.net/lists/listinfo/openmosix-devel > > > ------------------------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job easier > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > _______________________________________________ > openMosix-devel mailing list > openMosix-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org > https://lists.sourceforge.net/lists/listinfo/openmosix-devel > > -- Kris Buytaert <mlkb-1zPVpAQ/[email protected]> ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642