We're not doing anything nearly as grand as what you're asking about, but we will use virtual machines as failover LTSP servers. We're setting it up now, and plan to test in June (the academic calendar delays us a bit). I can report on our experiences here is you would be interested.
We considered other failover options, but this seems like it might be the simplest to set up and maintain. Basic setup: There are two physical machines, A and B. A maintains a virtual version, vB, of B. Similarly, B maintains a virtual version, vA, of A. If A goes down, B boots up vA in failover mode, and vice-versa. On Fri, Apr 27, 2012 at 11:59 AM, john <lists.j...@gmail.com> wrote: > Hi all, > > We're in the process of planning to move our 40 or so physical servers to a > virtualization platform. It's early days yet so we haven't landed on a > platform yet (VMWare, HyperV, possibly KVM?) but I was wondering if it would > make > sense to virutalize our LTSP servers as we move to Ubuntu 12.04 LTS. We > currently support about 120 thin clients divided evenly between two 4 core > opertron servers with 16 Gig's of ram each. It turns out that we rarely use > more than 50% of our ram even with 40+ simultaneous clients per server, but > often push the CPU load to 10+ and disk i/o to 6k writes/sec. So I figure > that lots of CPU's would be a good thing. And of course the virtual > environment would be supporting other servers as well (windows, linux) doing > file-servering, active directory auth, web serving etc. As we bring on more > thin clients, it would be great to be able to spin up an additional LTSP > server at the drop of a hat, distribute the load between servers etc. Has > anyone gone down this road yet? Any web resources that you could point me at > would be appreciated. Any ideas about why this is a stupid or great idea are > also appreciated. > > Thanks! > > John > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _____________________________________________________________________ > Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: > https://lists.sourceforge.net/lists/listinfo/ltsp-discuss > For additional LTSP help, try #ltsp channel on irc.freenode.net > -- :-) Lachele Lachele Foley CCRC/UGA Athens, GA USA ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _____________________________________________________________________ Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: https://lists.sourceforge.net/lists/listinfo/ltsp-discuss For additional LTSP help, try #ltsp channel on irc.freenode.net
