Neil Marjoram wrote:
John,
Testing was a little light! I had 3 hours to load RHEL 5.1, Ldap, DNS,
I can imagine the circumstances.
DHCP, TFTP, Samba, NFS, secure the box, and restart all the mail and web
services on the other boxes, and test everything was working, and get
the M$ boxes talking again! I had already done the backup server, but
theres always something! Maybe if LDAP or DNS could cause these troubles
it was indeed them, LDAP was a pain, it's my belief that the authconfig
does not set nsswitch.conf correctly to avoid LDAP timeouts. I always
fwiw I have an outstanding (since fc6 but I've verified it in CentOS5)
concerning using authconfig in kickstart, and then adding users in %post.
ldap isn't running, and it takes about 15 minutes per user. Originally I
wrote it off as hung, but lately I've been starting a ks install then
going on with other stuff. I'm a lot more patient then:-)
manually set [!NOTFOUND = return] after files and remove ldap after
shadow as I have found the LDAP server will not start quickly as it
looks for the LDAP server when it starts! (I am guessing but I think it
looks for the user ldap, which is in /etc/passwd, but carries on
looking for ldap anyway even though the use has already been found).
Sounds plausible. I think RH needs some pressure from paying customers
to get this fixed:-)
If I get more time and it happens again I will test further.
Many thanks,
Neil.
John Summerfield wrote:
Ian Kent wrote:
On Tue, 2008-04-15 at 13:14 +0100, Neil Marjoram wrote:
not really have any impact. The other odd behavior on the x64
machines, maybe related is that for some time after install they
could not cd ~user1. However this morning they can!
<nips>
That last symptom you mentioned is odd!
I don't know what testing Neil did, but possibly not much, depending
what was on his mind at the time.
I'm thinking some kind of timeout, after which all comes good. tcpdump
should show what's what.
Could be related to lots of things - a DNS server down can cause lots
of grief, authentication delays (maybe DNS related, maybe LDAP).
Perhaps data gets cached, when found, and all's well until next time.
--
Cheers
John
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