Anyone working with the beta version of HA-OSCAR yet? My master node is healthy, but it would be pretty bad if it goes down. Any work we can do to take HA-OSCAR out of beta?
--- Bruce Becker <[EMAIL PROTECTED]> wrote: > Hello OSCAR friends > > I am in the sad situation of having a very sick head > head node, which > tends to die on me at the most inconvenient times. I > don't know whether > it's a hardware or software problem, but the machine > is nearing the end > of her life, so it's not impossible that the > motherboard is going wonky or > something. > > My question to you guys is this : > How to eliminate that single point of failure ? > > At the moment, this machine is not only our head > node, but also the > ssh-gateway, website, firewall, and many other > monitoring services > like gmond, gmetad, clumon run on that machine. I > would like to move most > of the services off of the head node, and leave only > those necessary for > computing, like lamd, etc. My idea then is to have a > separate machine act > as a router to and from our cluster, which is also a > remote logger and > polls the monitoring feeds from ganglia, etc on the > cluster head node. The > cluster head node can then be virtualised... I was > thinking a couple of > boxes running MOSIX kernel on the same switch... We > need to eliminate the > point of failure and have some-sort of fail-over > mechanism. Note that my > head node doesn't die because of an overloaded > system, the failures are > pretty much random at this stage... > > Can I do something like this with HA-OSCAR ? Can I > mix HA-OSCAR and > FAT-OSCAR ? Does anyone else have this > head-node-dies-and-life-turns-to-hell problem ? If > so, how did you > get around it ? > > Comments welcome ! > Thanks > Bruce > > > -- > -- > Bruce Becker > UCT-CERN Research Center - University of Cape Town > Private Bag RONDEBOSCH 7700 > tel :(w) +27 21 650 3356 | (m) +27 82 537 9425 | (f) > +27 21 650 3342 > IM : AIM/Jabber - brucellino | Yahoo - uctbruce > WEB :http://hep.phy.uct.ac.za/~becker > "Viel hilft viel" > > > > ------------------------------------------------------- > This SF.net email is sponsored by: IT Product Guide > on ITManagersJournal > Use IT products in your business? Tell us what you > think of them. Give us > Your Opinions, Get Free ThinkGeek Gift Certificates! > Click to find out more > http://productguide.itmanagersjournal.com/guidepromo.tmpl > _______________________________________________ > Oscar-users mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/oscar-users > _______________________________ Do you Yahoo!? Declare Yourself - Register online to vote today! http://vote.yahoo.com ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl _______________________________________________ Oscar-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/oscar-users
