NIS problems with FC2
Mike Cooper
Mike.Cooper at reshape.com
Fri May 21 20:06:49 UTC 2004
Alas, it's not that simple for me. These systems have but a single NIC
- eth0.
mike
Aaron Gaudio wrote:
> Behold, Mike Cooper <Mike.Cooper at reshape.com> hath decreed:
>
>>I'm having trouble with FC2 NIS clients (all are X86/IA32) not being
>>able to bind/find a NIS server if the FC2 client is set to "broadcast" via
>>
>> domain reshape.com broadcast
>>
>>in /etc/yp.conf
>>
>>Apparantly ypbind never finds a server, even though there are 2 on the
>>same subnet. I ran ypbind -debug and it seems to get RPC timeouts when
>>it broadcasts for a server. A "ypwhich" command fails after about 90
>>seconds since ypbind eventually exists once it can't find a server.
>>
>>My RHL 7.2 - 9 clients have no trouble with the same yp.conf config.
>>
>>The NIS servers are both Solaris 8 with Sun's stock NIS ypserv.
>>
>>If I change yp.conf to be
>>
>> ypserver 10.X.X.X1
>> ypserver 10.X.X.X2
>>
>>It does bind, but *very* slowly. NIS lookup is extremely slow. If not
>>for nscd, it would make the whole system unusably slow.
>>
>>And yes, I know that "broadcast" isn't the safest thing in the world,
>>but it's right for this environment.
>>
>>Anybody have any clues on this?
>>
>
>
> I don't know if this explains your situation any, but after
> upgrading here at work, ypbind was never connecting. I also use
> broadcast, but the problem was not ypbind, it was the fact that
> I had two ethernet cards and the system was loading the module for
> (what should be) eth1 before eth0, causing the device names to get
> swapped. Strangely, if I booted into single user mode and manually
> executed 'service network start', they got loaded in the correct
> order.
>
> My solution was to add the following to /etc/modprobe.conf:
>
> nstall ne2k-pci /sbin/modprobe eth0; /sbin/modprobe --ignore-install ne2k-pci
>
> (note ne2k-pci is what is supposed to be eth1).
>
> This ensures that if something causes ne2k-pci to get loaded, it
> makes sure to first load eth0 (which is an e100 card).
>
>
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