Hi Steve,
On Tue, Feb 17, 2009 at 1:03 PM, Steve Rippl <[email protected]> wrote: > Now I never found out why but both dhcp and authentication via winbind (or > ldap) to Active Directory seem to be broken in 8.04 (running ltsp 5). Interesting was there a bug filed I wonder. I'll go look. If > you look back over the last few (4-5) months on this list you'll find myself > and one or two others found dhcp couldn't handle more than about 5 clients > booting at once (the clients would hammer the dhcp server for multiple > requests each), and our entire server would grind to a halt if more than a > few users tried to log in at once (separate issues). Would the system handle staggered log ins? For example if students logged in 30 secs apart? > We're authenticating > to AD with ldap and also have NFS shares set up like you, our load average > on the server would soar to 16 and beyond (2 dual core processors) and would > never come down again! Hmm. Interesting. I've setup an snmp monitor to help try an capture more data on the problem. I'll be sure to check CPU load. > > We went back to ltsp 4 again and everything seemed to run much much faster. > Now we're working to build another server and trying ltsp 5 again (on > Debian) to see were things are. > > No answers I'm afraid, but it sounds similar to what we found... I appreciate the ideas! John > > > john wrote: > > On Tue, Feb 17, 2009 at 12:38 PM, Steve Rippl > <[email protected]> wrote: > > > What authentication methods are you using? Are the users local or remote > (ldap/Active Directory?) > > > Hi Steve, > > I am using Winbind/Active Directory. Users have a home directory on > the server and a network share which is mounted via NFS. > > John > > > > > > john wrote: > > > Hi all, > > I've been trying to migrate from 7.04 to 8.04 since last fall. I can > only do it during downtime at our school. I have this week while kids > are on break to try and get the new system in. My problem is that I > can't seem to scale the LTSP installation based on 8.04 past 6-8 thin > clients before the server crashes. The server is running 16 gigs ram/ > AMD 64 image with Ntavo 6030 thin clients each with 512M ram. The thin > clients are rolled with the i386 image. > > I can't find anything in the logs that shows me where the problem > lies. I've been running 7.04 successfully for a couple of years now > so I feel like the problem lies with 8.04 somewhere. I am trying to > decide whether to can 8.04 and begin working on 8.10. Or perhaps > retry 8.04 under 32 bit with the Server-Image kernel for larger memory > support. Can any one give me some guidance? Did you make 8.04 work > just fine (if so did you do it under 32 or 64) or did you end up going > for the latest and the greatest? All things being equal I'd prefer to > run 8.04 since it'll be supported till 2011. > > Thanks for any advice. > > John > > > > > -- > Steve Rippl > Technology Director > Woodland School District > 360 225 9451 x326 > > > > > > > -- > Steve Rippl > Technology Director > Woodland School District > 360 225 9451 x326 > -- edubuntu-users mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/edubuntu-users
