Update issue with NNA

[snapon_admin]

Tried that already, no dice. I also noticed the URLs in /etc/yum.repos.d/epel.repo were using http and on my XI server they were https so I changed that, still got the same error.

[tgriep]

Can you post the following files?

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/etc/hosts
/etc/yum.conf
/etc/yum.repos.d/epel.repo

Also, run this as root and post the output.

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ip addr

It kind of looks like an IPv6 issue.

[snapon_admin]

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[root@lisl-ngna-01-pv nagiosna]# cat /etc/hosts
127.0.0.1               localhost.localdomain localhost
::1             localhost6.localdomain6 localhost6
[root@lisl-ngna-01-pv nagiosna]# cat /etc/yum.conf
[main]
cachedir=/var/cache/yum/$basearch/$releasever
keepcache=0
debuglevel=2
logfile=/var/log/yum.log
exactarch=1
obsoletes=1
gpgcheck=1
plugins=1
installonly_limit=5
bugtracker_url=http://bugs.centos.org/set_project.php?project_id=16&ref=http://bugs.centos.org/bug_report_page.php?category=yum
distroverpkg=centos-release

#  This is the default, if you make this bigger yum won't see if the metadata
# is newer on the remote and so you'll "gain" the bandwidth of not having to
# download the new metadata and "pay" for it by yum not having correct
# information.
#  It is esp. important, to have correct metadata, for distributions like
# Fedora which don't keep old packages around. If you don't like this checking
# interupting your command line usage, it's much better to have something
# manually check the metadata once an hour (yum-updatesd will do this).
# metadata_expire=90m

# PUT YOUR REPOS HERE OR IN separate files named file.repo
# in /etc/yum.repos.d
[root@lisl-ngna-01-pv nagiosna]# cat /etc/yum.repos.d/epel.repo
[epel]
name=Extra Packages for Enterprise Linux 6 - $basearch
#baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6&arch=$basearch
failovermethod=priority
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

[epel-debuginfo]
name=Extra Packages for Enterprise Linux 6 - $basearch - Debug
#baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch/debug
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-debug-6&arch=$basearch
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
gpgcheck=1

[epel-source]
name=Extra Packages for Enterprise Linux 6 - $basearch - Source
#baseurl=http://download.fedoraproject.org/pub/epel/6/SRPMS
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-source-6&arch=$basearch
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
gpgcheck=1
[root@lisl-ngna-01-pv nagiosna]# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
    link/ether 00:50:56:8d:10:4f brd ff:ff:ff:ff:ff:ff
    inet 10.245.128.169/24 brd 10.245.128.255 scope global eth0
    inet6 fe80::250:56ff:fe8d:104f/64 scope link 
       valid_lft forever preferred_lft forever

I agree, feels like IPv6 issue, but not sure why it would be. I've updated this server before without this issue.

[Box293]

Is stuff resolving correctly?

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nslookup mirrorlist.centos.org
nslookup www.google.com

[snapon_admin]

Yeah seems good. There's an IPv6 address, but there's also plenty of v4 addresses. I'm also not having this issue on my XI server which is on the same exact network as the NNA server.

[rkennedy]

The ipv6 DNS results may be the culprit, try this to disable ipv6 -

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echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6

If it isn't the ipv6, it may be the proxy that yum is attempting to use. Can you also try configuring your proxy in yum by adding this line?

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proxy=http://ip:port

[snapon_admin]

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echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6

did not change anything. This particular VLAN does not go through our proxy but for good measure I added it into yum anyway and it also did not work.

[tgriep]

Can you ping and traceroute to that host? Try running this on your NNA server and post the output here.

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ping mirrors.fedoraproject.org -c5
traceroute mirrors.fedoraproject.org

[snapon_admin]

Cannot ping and don't have traceroute installed. Not sure how meaningful that is, however, as I also cannot ping that address on my XI server, but don't have this issue on that server.

[tgriep]

Can you post this file?

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/etc/yum.repos.d/CentOS-Base.repo

Try running the yum update in verbose mode to see if there is any error information that could help out.

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yum update -v