On 3 March 2015 at 11:52, P. Larry Nelson <[email protected]> wrote:
> Hi Stephen, > > Replies in-line below. > > Thanks, > - Larry > >> >> I want to thank you for giving all the details of your testing. I would >> like to use it as a future example of how to be constructive and helpful >> to other people needing help. >> > > Thanks. Yep, feel free to use this as an example. I suppose it comes > from being in the biz for over 46 years and shaking my head at *SO* many > ill conceived requests for help on listservs. > > So have you looked at nscd any? Does having nscd turned on or off alter >> this problem. >> > > Nay, I have not, and frankly, it didn't occur to me till you asked. > I will explore that when I get a chance and see if it alters the problem. > > Also what is in hosts and is the NIS server listed. Thanks >> > > I assume you're talking about /etc/hosts on the clients. > The SL6.x clients just have the following in hosts: > > 127.0.0.1 localhost localhost.localdomain localhost4 > localhost4.localdomain4 > ::1 localhost localhost.localdomain localhost6 > localhost6.localdomain6 > > >> So NIS is not getting as much testing anymore as it is being listed as a no-no in various .gov/.mil/PCI/HIPAA audits. So a lot of NIS problems seem to have crept in and are only showing up now because large deployments of Dark-Matter computers are beginning to move from an 8 year old OS to a 5 year old OS. I list this as the Dark Matter of systems because there are large numbers that no one seems to know about until the gravity of the situation hits them. The things I would look at for this are: 1) Put in the ip address of the nis server into /etc/hosts and see if that fixes things. If it does.. it is a bug, but one similar to something I ran into with SunOS 4.1.4 a loong time ago. [Solaris 2.4 also had a similar one.. and IRIX 6.2 (I think). ] 2) Turn off nscd (or sssd? in EL7) to see if it changes how the system reacts. It may be caching hosts which aren't reachable but portmap is going to try and talk because it thinks its still available. 3) strace of closing processes might be useful with strace writing to a file so it isn't lost when the box shuts down completely. Could you tell me which file and lines you commented out? [Thanks] -- Stephen J Smoogen.
