Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!wuarchive!udel!haven.umd.edu!ni.umd.edu!MIKE@UC780.UMD.EDU From: mike@UC780.UMD.EDU (Mike Santangelo) Newsgroups: comp.sys.hp Subject: Re: SNAKE CLUSTER(?) Message-ID: <1991Apr23.200133.100@ni.umd.edu> Date: 23 Apr 91 20:01:33 GMT References: <1991Apr15.204425.8682@ux1.cso.uiuc.edu>,<5570608@hpfcdc.HP.COM> Sender: usenet@ni.umd.edu (USENET News System) Reply-To: mike@UC780.UMD.EDU Organization: The University of Maryland, University College Lines: 52 Nntp-Posting-Host: uc780.umd.edu In article <5570608@hpfcdc.HP.COM>, perry@hpfcdc.HP.COM (Perry Scott) writes: >>Well, now that the Snake is out of the bag... >> >>Would anyone care to comment on the diskless >>clusterability of the Snakes? > >Clusters are in 8.05. 8.01, which was a limited release for software >vendors, doesn't have clusters. We have a few test clusters up and >running in the Lab, one of them about four feet away from me. (Can you >say "FAST" ?) The goal is to ship 8.05 in systems being ordered today - >the ones with the 90 day lead time. Needless to say, we're motivated. > > >>Example: can 720 boot diskless off a 730? > >No sweat. > > >> can an 835 boot off of a 730? > >The 700 lacks cache size to be an effective server. The 800, on the >other hand, is built to be a multiuser (or server) machine - it has the >big cache, I/O throughput, etc. So, the conventional wisdom here is >that the combination doesn't make sense. (Except for the fact that the >700 blows the doors off the 800. The right thing to do is make an 800 >with the 700 chipset to get cache + I/O + Specs.) > >Conventional wisdom has been wrong in the past. If 835 clients on a 730 >is a big deal for you, tell us why so we don't get laughed out of our >boss's office when we ask to do it. 800/700 clusters are not a >no-brainer because PA-RISC (CDFs) have been used in the past to mean >"800". The 700 filesystem is different in several ways, which makes the ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The 'filesystem' is different??? Or do you mean that their is 700-specific code (HPPA1.1 stuff) that the 800 series won't run that is used at boot time? >job more interesting. > >>-------- john kemp ( ( )_ internet - kemp@uiatma.atmos.uiuc.edu > >Perry Scott >HP Ft Collins > >Disclaimer: "If HP paid me enough money to really know about release > schedules and feature sets, I wouldn't have time to read News." +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Michael F. Santangelo + Inet: mike@uc780.umd.edu VMS / UNIX Systems + mike@socrates.umd.edu Academic Computing UMUC + Bnet: MIKE@UC780 (The University of Maryland, + MIKE@UMUC (not visited often) University College) +