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Date: Sun 17-Oct-1989 19:13:51 From: Unknown Subject: NeXT netboot difficulties Help with NeXT network needed! Situation 10 NeXTs, two with 660MB Hard Disks, NeXT-only network. System 1: 'gauss' set up as configuration server, and boot server. System 2: 'euler' set up a clone configuration server, and houses the '/Users' directory, home of the network-wide user accounters. I tell netinfo to boot it off of gauss. If I tell netinfo to boot it from euler, it loads the kernel OK, but panics with the famous error 13 when it tries to mount root. If I boot euler from the monitor, it exports /Users, and then LATER does an exportfs to export / and /clients, which are essential to booting systems over the network. This exportfs FAILS for / because /Users is already exported, which is a NO-NO apparently. How would you set up network-wide accounts with ONE server, then? Wouldn't you see the same problem? As Phil Donahue says, 'help me out here.' "Every jumbled pile of person has a thinking Kent Williams part that wonders what the part that isn't williams@umaxc.weeg.uiowa.edu thinking isn't thinking of" - TMBG "Every jumbled pile of person has a thinking Kent Williams part that wonders what the part that isn't williams@umaxc.weeg.uiowa.edu thinking isn't thinking of" - TMBG >From: rogerj@batcomputer.tn.cornell.edu (Roger Jagoda)
Date: Sun 19-Oct-1989 22:46:01 From: Unknown Subject: Re: NeXT netboot difficulties In article <118@ns-mx.uiowa.edu> williams@umaxc.weeg.uiowa.edu (Kent Williams) writes: >Help with NeXT network needed! > >Situation > >10 NeXTs, two with 660MB Hard Disks, NeXT-only network. > >System 1: 'gauss' set up as configuration server, and boot server. >System 2: 'euler' set up a clone configuration server, and houses the >'/Users' directory, home of the network-wide user accounters. > Be sure here that "/" is exported and NOT /Users as in the NeXT dox. You ARE correct that this is a no-no. Then look into /etc/xtab to see what has in fact been exported. How we do it: "/etc/exports": / -root=tompkins <the config server> /clients/danby -access=danby,root=danby /clients/newfield -access-newfield,root=newfield <the clients which are DISKLESS BTW> >Problem: If I add a system to boot over the network it works fine if >I tell netinfo to boot it off of gauss. If I tell netinfo to boot it from >euler, it loads the kernel OK, but panics with the famous error 13 when it >tries to mount root. > Yes, error 13 is EACCS or something like that, and it means insuff- icient permissions...short for it hasn't been exported properly. Make sure exports has been redone as above, then make the entires for the bootparams in NetManager (don't niload from /etc/bootparams, there's a bug in NetInfo that says you have to make a change, then save it back to network.nidb before it'll take....they've NOT fixed this in 1.0, but acknowledged it!). In our situation. tompkins is the config server and 4 other 660 machines are client servers. MACH comes from tompkins only as cloning the nidb didn't help that bottle-neck, but the client-trees come from the other 4 servers which all have their exports done as above. Honest, it works. If you still need help drop me mail or call. Roger Jagoda FQOJ@CORNELLA.CIT.CORNELL.EDU (607) 255-8960 >From: abe@mace.cc.purdue.edu (Vic Abell)
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